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c39ee2d264
1424379 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Felix Gu
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c39ee2d264 |
fbdev: of_display_timing: Fix device node reference leak in of_get_display_timings()
Use for_each_child_of_node_scoped instead of for_each_child_of_node
to ensure automatic of_node_put on early exit paths, preventing
device node reference leak.
Fixes:
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Chintan Patel
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c595c19602 |
staging: fbtft: Make framebuffer registration message debug-only
The framebuffer registration message is informational only and not useful during normal operation. Convert it to debug-level logging to keep the driver quiet when working correctly. Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> Signed-off-by: Chintan Patel <chintanlike@gmail.com> Signed-off-by: Helge Deller <deller@gmx.de> |
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Chintan Patel
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be26a07c61 |
staging: fbtft: Fix build failure when CONFIG_FB_DEVICE=n
When CONFIG_FB_DEVICE is disabled, struct fb_info does
not provide a valid dev pointer. Direct dereferences of
fb_info->dev therefore result in build failures.
Fix this by avoiding direct accesses to fb_info->dev and
switching the affected debug logging to framebuffer helpers
that do not rely on a device pointer.
This fixes the following build failure reported by the
kernel test robot.
Fixes: a06d03f9f238 ("staging: fbtft: Make FB_DEVICE dependency optional")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601110740.Y9XK5HtN-lkp@intel.com
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Chintan Patel <chintanlike@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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Chen Ni
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cbfb9c715f |
fbdev: au1100fb: Check return value of clk_enable() in .resume()
Check the return value of clk_enable() in au1100fb_drv_resume() and return the error on failure. This ensures the system is aware of the resume failure and can track its state accurately. Signed-off-by: Chen Ni <nichen@iscas.ac.cn> Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Signed-off-by: Helge Deller <deller@gmx.de> |
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Sebastian Andrzej Siewior
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8e9bf8b9e8 |
printk, vt, fbcon: Remove console_conditional_schedule()
do_con_write(), fbcon_redraw.*() invoke console_conditional_schedule() which is a conditional scheduling point based on printk's internal variables console_may_schedule. It may only be used if the console lock is acquired for instance via console_lock() or console_trylock(). Prinkt sets the internal variable to 1 (and allows to schedule) if the console lock has been acquired via console_lock(). The trylock does not allow it. The console_conditional_schedule() invocation in do_con_write() is invoked shortly before console_unlock(). The console_conditional_schedule() invocation in fbcon_redraw.*() original from fbcon_scroll() / vt's con_scroll() which originate from a line feed. In console_unlock() the variable is set to 0 (forbids to schedule) and it tries to schedule while making progress printing. This is brand new compared to when console_conditional_schedule() was added in v2.4.9.11. In v2.6.38-rc3, console_unlock() (started its existence) iterated over all consoles and flushed them with disabled interrupts. A scheduling attempt here was not possible, it relied that a long print scheduled before console_unlock(). Since commit |
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Osama Abdelkader
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4a16b38033 |
fbdev: fix fb_pad_unaligned_buffer mask
mask is u8, so it should use 0xff instead of 0xfff Signed-off-by: Osama Abdelkader <osama.abdelkader@gmail.com> Signed-off-by: Helge Deller <deller@gmx.de> |
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Weigang He
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eacf9840ae |
fbdev: of: display_timing: fix refcount leak in of_get_display_timings()
of_parse_phandle() returns a device_node with refcount incremented,
which is stored in 'entry' and then copied to 'native_mode'. When the
error paths at lines 184 or 192 jump to 'entryfail', native_mode's
refcount is not decremented, causing a refcount leak.
Fix this by changing the goto target from 'entryfail' to 'timingfail',
which properly calls of_node_put(native_mode) before cleanup.
Fixes:
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Thomas Fourier
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88b3b99243 |
fbdev: vt8500lcdfb: fix missing dma_free_coherent()
fbi->fb.screen_buffer is allocated with dma_alloc_coherent() but is not
freed if the error path is reached.
Fixes:
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Vincent Mailhol
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994fcd4b10 |
video/logo: don't select LOGO_LINUX_MONO and LOGO_LINUX_VGA16 by default
Nowadays, nearly all systems have a color depth of eight or more and are thus able to display the clut224 logo. This means that the monochrome and vga16 logos will never be displayed on an average machine and are thus just a waste of bytes. Set CONFIG_LOGO_LINUX_MONO and CONFIG_LOGO_LINUX_VGA16 configuration symbols to no by default. Signed-off-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Vincent Mailhol
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ac6d088b3b |
video/logo: move logo selection logic to Kconfig
Now that the path to the logo file can be directly entered in Kbuild, there is no more need to handle all the logo file selection in the Makefile and the C files. The only exception is the logo_spe_clut224 which is only used by the Cell processor (found for example in the Playstation 3) [1]. This extra logo uses its own different image which shows up on a separate line just below the normal logo. Because the extra logo uses a different image, it can not be factorized under the custom logo logic. Move all the logo file selection logic to Kbuild (except from the logo_spe_clut224.ppm), this done, clean-up the C code to only leave one entry for each logo type (monochrome, 16-colors and 224-colors). [1] Cell SPE logos Link: https://lore.kernel.org/all/20070710122702.765654000@pademelon.sonytel.be/ Signed-off-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Vincent Mailhol
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3092718e12 |
video/logo: remove logo_mac_clut224
The logo_mac_clut224 depends on the runtime value MACH_IS_MAC being true to be displayed. This makes that logo a one-of-a-kind, as it is the only one whose selection can not be decided at compile time. This dynamic logo selection logic conflicts with our upcoming plans to simplify the logo selection code. Considering that the logo_mac_clut224 is only used by the Macintosh 68k, a machine whose sales ended some thirty years ago and which thus represents a very small user base, it is preferable to resolve the conflict in favour of code simplicity. Remove the logo_mac_clut224 so that the logo selection can be statically determined at compile time. The users who wish to continue using that logo can still download it from [1] and add: CONFIG_LOGO_LINUX_CLUT224=y CONFIG_LOGO_LINUX_CLUT224_FILE="/path/to/logo_mac_clut224.ppm" to their configuration file to restore it. [1] logo_mac_clut224.ppm file Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/plain/drivers/video/logo/logo_mac_clut224.ppm?h=v6.18 Signed-off-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Vincent Mailhol
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9db021e6cb |
sh: defconfig: remove CONFIG_LOGO_SUPERH_*
CONFIG_LOGO_SUPERH_MONO, CONFIG_LOGO_SUPERH_VGA16 and CONFIG_LOGO_SUPERH_CLUT224 will be removed in an upcoming change but are still referenced in some of the defconfig. Remove all the occurrences of CONFIG_LOGO_SUPERH_*. Signed-off-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Vincent Mailhol
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555cdf5242 |
newport_con: depend on LOGO_LINUX_CLUT224 instead of LOGO_SGI_CLUT224
newport_show_logo() is only activated if CONFIG_LOGO_SGI_CLUT224 is set (otherwise it is a NOP). This configuration item will be removed in an upcoming change so instead, make it depend on LOGO_LINUX_CLUT224. Signed-off-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Vincent Mailhol
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dfa6ce636c |
video/logo: allow custom logo
Some people like to replace the default Tux boot logo by an image of their own. There exist a few tutorials here [1] and there [2]. But this requires modifying the source tree which is a bit cumbersome. Add a string entry in Kbuild for each of the logo categories (monochrome, 16-colors, 224-colors). The string entry takes a path to a .pbm or .ppm image allowing the user to more easily provide a custom logo without having to modify the sources. Add an help entry with a short hint on how to convert images to the portable pixmap file format. Update the Makefile accordingly. When converted to .c file, the logo will have one of these fixed file name: - logo_linux_mono.c - logo_linux_vga16.c - logo_linux_clut224.c: depending on the image type and this regardless of the name of the .pgm/.ppm source filename. This will allow for further simplifications in an upcoming change. [1] ArmadeuS Project wiki -- Linux Boot Logo Link: https://www.armadeus.org/wiki/index.php?title=Linux_Boot_Logo [2] Timesys -- How To Use a Custom Boot Logo / Splash Screen Link: https://linuxlink.timesys.com/docs/wiki/engineering/HOWTO_Use_a_custom_boot_logo Signed-off-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Vincent Mailhol
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a7aa2b512b |
video/logo: add a type parameter to the logo makefile function
When translating a portable pixmap file into a .c file, the pnmtologo tool expects to receive the image type (either mono, vga16 or clut224) as an argument under the -t option. Currently, this information is stored in the file name. Because we will allow for custom logo in an upcoming change, it is preferable to decouple the image name from its type. Add a new $2 parameter to the Makefile logo function which contains the image type. Update all the individual targets to provide this new argument. Signed-off-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Vincent Mailhol
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672b352162 |
video/logo: remove orphan .pgm Makefile rule
The kernel has no actual grey-scale logos. And looking at the git history, it seems that there never was one (or maybe there was in the pre-git history? I did not check that far…) Remove the Makefile rule for the .pgm grey scale images. Signed-off-by: Vincent Mailhol <mailhol@kernel.org> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Dan Carpenter
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b3dce279c9 |
fbdev: omapfb: remove duplicate check in omapfb_setup_mem()
We know "size" is non-zero because it is checked on the line before. Delete the duplicate check and pull the code in a tab. Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Helge Deller <deller@gmx.de> |
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Chintan Patel
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c292599223 |
fbdev: sh_mobile_lcdc: Make FB_DEVICE dependency optional
The sh_mobile_lcdc driver exposes overlay configuration via sysfs, but the core driver does not require CONFIG_FB_DEVICE. Make overlay sysfs optional so that the driver can build and operate even when FB_DEVICE is disabled. The kernel naturally ignores the missing attribute group, preserving buildability and type safety. Suggested-by: Helge Deller <deller@gmx.de> Signed-off-by: Chintan Patel <chintanlike@gmail.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Helge Deller <deller@gmx.de> |
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Chintan Patel
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bf9ec461a7 |
fbdev: omapfb: Make FB_DEVICE dependency optional
omapfb provides several sysfs interfaces for framebuffer configuration and debugging, but these are not required for the core driver. Remove the hard dependency on CONFIG_FB_DEVICE and make sysfs support optional by using dev_of_fbinfo() to obtain the backing device at runtime. When FB_DEVICE is disabled, sysfs operations are skipped while the code still builds and is type-checked. Suggested-by: Helge Deller <deller@gmx.de> Signed-off-by: Chintan Patel <chintanlike@gmail.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Helge Deller <deller@gmx.de> |
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Chintan Patel
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553d8a6e51 |
staging: fbtft: Make FB_DEVICE dependency optional
fbtft provides sysfs interfaces for debugging and gamma configuration, but these are not required for the core driver. Drop the hard dependency on CONFIG_FB_DEVICE and make sysfs support optional by using dev_of_fbinfo() at runtime. When FB_DEVICE is disabled, sysfs operations are skipped while the code remains buildable and type-checked. Suggested-by: Thomas Zimmermann <tzimmermann@suse.de> Suggested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Signed-off-by: Chintan Patel <chintanlike@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Helge Deller <deller@gmx.de> |
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Chintan Patel
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39b65316fe |
fb: Add dev_of_fbinfo() helper for optional sysfs support
Add dev_of_fbinfo() to return the framebuffer struct device when CONFIG_FB_DEVICE is enabled, or NULL otherwise. This allows fbdev drivers to use sysfs interfaces via runtime checks instead of CONFIG_FB_DEVICE ifdefs, keeping the code clean while remaining fully buildable. Suggested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Reviewed-by: Andy Shevchenko <andy@kernel.org> Signed-off-by: Chintan Patel <chintanlike@gmail.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Helge Deller <deller@gmx.de> |
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Prasanna Kumar T S M
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8f582bcd13 |
drm/hyperv: Remove reference to hyperv_fb driver
Remove hyperv_fb reference as the driver is removed. Signed-off-by: Prasanna Kumar T S M <ptsm@linux.microsoft.com> Signed-off-by: Helge Deller <deller@gmx.de> |
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Prasanna Kumar T S M
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d65f2978f3 |
drivers: hv: vmbus_drv: Remove reference to hpyerv_fb
Remove hyperv_fb reference as the driver is removed. Signed-off-by: Prasanna Kumar T S M <ptsm@linux.microsoft.com> Signed-off-by: Helge Deller <deller@gmx.de> |
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Andrey Vatoropin
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011a050280 |
fbcon: check return value of con2fb_acquire_newinfo()
If fbcon_open() fails when called from con2fb_acquire_newinfo() then
info->fbcon_par pointer remains NULL which is later dereferenced.
Add check for return value of the function con2fb_acquire_newinfo() to
avoid it.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes:
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Prasanna Kumar T S M
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40227f2efc |
fbdev: hyperv_fb: Remove hyperv_fb driver
The HyperV DRM driver is available since 5.14. This makes the hyperv_fb driver redundant, remove it. Signed-off-by: Prasanna Kumar T S M <ptsm@linux.microsoft.com> Signed-off-by: Helge Deller <deller@gmx.de> |
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Hans de Goede
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68eeb0871e |
fbdev: Use device_create_with_groups() to fix sysfs groups registration race
The fbdev sysfs attributes are registered after sending the uevent for
the device creation, leaving a race window where e.g. udev rules may
not be able to access the sysfs attributes because the registration is
not done yet.
Fix this by switching to device_create_with_groups(). This also results in
a nice cleanup. After switching to device_create_with_groups() all that
is left of fb_init_device() is setting the drvdata and that can be passed
to device_create[_with_groups]() too. After which fb_init_device() can
be completely removed.
Dropping fb_init_device() + fb_cleanup_device() in turn allows removing
fb_info.class_flag as they were the only user of this field.
Fixes:
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Greg Kroah-Hartman
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120adae7b4 |
fbdev: smscufx: properly copy ioctl memory to kernelspace
The UFX_IOCTL_REPORT_DAMAGE ioctl does not properly copy data from userspace to kernelspace, and instead directly references the memory, which can cause problems if invalid data is passed from userspace. Fix this all up by correctly copying the memory before accessing it within the kernel. Reported-by: Tianchu Chen <flynnnchen@tencent.com> Cc: stable <stable@kernel.org> Cc: Steve Glendinning <steve.glendinning@shawell.net> Cc: Helge Deller <deller@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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Guangshuo Li
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0209e21e3c |
fbdev: rivafb: fix divide error in nv3_arb()
A userspace program can trigger the RIVA NV3 arbitration code by calling
the FBIOPUT_VSCREENINFO ioctl on /dev/fb*. When doing so, the driver
recomputes FIFO arbitration parameters in nv3_arb(), using state->mclk_khz
(derived from the PRAMDAC MCLK PLL) as a divisor without validating it
first.
In a normal setup, state->mclk_khz is provided by the real hardware and is
non-zero. However, an attacker can construct a malicious or misconfigured
device (e.g. a crafted/emulated PCI device) that exposes a bogus PLL
configuration, causing state->mclk_khz to become zero. Once
nv3_get_param() calls nv3_arb(), the division by state->mclk_khz in the gns
calculation causes a divide error and crashes the kernel.
Fix this by checking whether state->mclk_khz is zero and bailing out before
doing the division.
The following log reveals it:
rivafb: setting virtual Y resolution to 2184
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 2187 Comm: syz-executor.0 Not tainted 5.18.0-rc1+ #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:nv3_arb drivers/video/fbdev/riva/riva_hw.c:439 [inline]
RIP: 0010:nv3_get_param+0x3ab/0x13b0 drivers/video/fbdev/riva/riva_hw.c:546
Call Trace:
nv3CalcArbitration.constprop.0+0x255/0x460 drivers/video/fbdev/riva/riva_hw.c:603
nv3UpdateArbitrationSettings drivers/video/fbdev/riva/riva_hw.c:637 [inline]
CalcStateExt+0x447/0x1b90 drivers/video/fbdev/riva/riva_hw.c:1246
riva_load_video_mode+0x8a9/0xea0 drivers/video/fbdev/riva/fbdev.c:779
rivafb_set_par+0xc0/0x5f0 drivers/video/fbdev/riva/fbdev.c:1196
fb_set_var+0x604/0xeb0 drivers/video/fbdev/core/fbmem.c:1033
do_fb_ioctl+0x234/0x670 drivers/video/fbdev/core/fbmem.c:1109
fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1188
__x64_sys_ioctl+0x122/0x190 fs/ioctl.c:856
Fixes:
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Linus Torvalds
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770aaedb46 |
Bootconfig for v7.0
- Update the bootconfig parser to stop searching for a value when it encounters a newline character. Note that this changes the bootconfig formatting but this should not fall under the don't break user space rule as users of bootconfig is for booting the kernel and not about applications running in the kernel's user space. - Update the tests for bootconfig parser to ensure the good examples to be parsed correctly by comparing the expected results. -----BEGIN PGP SIGNATURE----- iQFPBAABCgA5FiEEh7BulGwFlgAOi5DV2/sHvwUrPxsFAmmPs+sbHG1hc2FtaS5o aXJhbWF0c3VAZ21haWwuY29tAAoJENv7B78FKz8bG60H/1GuYXlEbJrfM2G1moC5 c9HLkNON7xspEDWfT8lHk+T+4l7xj/Oriwl9Kkv/0F/P7NzIYZaSiHoht0TqrL6c /BR3pgHVayp4H/woaDZdo9KDCMFuxW0ukrbUriz/taMJn4+b7krScGoIM4sl1e02 cQVYbJxP9x5oEhgrQEOBUHnYSaEcB7qBclIUCQOl3UV9krTZpKOsLe3tNjcj0JrZ ACmSvP4oGKNIz+IarNmlV0m5enJk/pZLIpovbbrfm1vV4lxDWTCbSF2Q/dmpY43k ZIhjgjSES5bS5PSl7aQJW7j2itCUHDu7kYz+i8ifjqMnEcJkE9PqqsdJAhq1J63i M6w= =t5PQ -----END PGP SIGNATURE----- Merge tag 'bootconfig-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull bootconfig updates from Masami Hiramatsu: - Update the bootconfig parser to stop searching for a value when it encounters a newline character - Update the tests for bootconfig parser to ensure the good examples to be parsed correctly by comparing the expected results * tag 'bootconfig-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: bootconfig: Check the parsed output of the good examples bootconfig: Terminate value search if it hits a newline |
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Linus Torvalds
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3c6e577d5a |
tracing updates for 7.0:
User visible changes:
- Add an entry into MAINTAINERS file for RUST versions of code
There's now RUST code for tracing and static branches. To differentiate
that code from the C code, add entries in for the RUST version (with "[RUST]"
around it) so that the right maintainers get notified on changes.
- New bitmask-list option added to tracefs
When this is set, bitmasks in trace event are not displayed as hex
numbers, but instead as lists: e.g. 0-5,7,9 instead of 0000015f
- New show_event_filters file in tracefs
Instead of having to search all events/*/*/filter for any active filters
enabled in the trace instance, the file show_event_filters will list them
so that there's only one file that needs to be examined to see if any
filters are active.
- New show_event_triggers file in tracefs
Instead of having to search all events/*/*/trigger for any active triggers
enabled in the trace instance, the file show_event_triggers will list them
so that there's only one file that needs to be examined to see if any
triggers are active.
- Have traceoff_on_warning disable trace pintk buffer too
Recently recording of trace_printk() could go to other trace instances
instead of the top level instance. But if traceoff_on_warning triggers, it
doesn't stop the buffer with trace_printk() and that data can easily be
lost by being overwritten. Have traceoff_on_warning also disable the
instance that has trace_printk() being written to it.
- Update the hist_debug file to show what function the field uses
When CONFIG_HIST_TRIGGERS_DEBUG is enabled, a hist_debug file exists for
every event. This displays the internal data of any histogram enabled for
that event. But it is lacking the function that is called to process one
of its fields. This is very useful information that was missing when
debugging histograms.
- Up the histogram stack size from 16 to 31
Stack traces can be used as keys for event histograms. Currently the size
of the stack that is stored is limited to just 16 entries. But the storage
space in the histogram is 256 bytes, meaning that it can store up to 31
entries (plus one for the count of entries). Instead of letting that space
go to waste, up the limit from 16 to 31. This makes the keys much more
useful.
- Fix permissions of per CPU file buffer_size_kb
The per CPU file of buffer_size_kb was incorrectly set to read only in a
previous cleanup. It should be writable.
- Reset "last_boot_info" if the persistent buffer is cleared
The last_boot_info shows address information of a persistent ring buffer
if it contains data from a previous boot. It is cleared when recording
starts again, but it is not cleared when the buffer is reset. The data is
useless after a reset so clear it on reset too.
Internal changes:
- A change was made to allow tracepoint callbacks to have preemption
enabled, and instead be protected by SRCU. This required some updates to
the callbacks for perf and BPF.
perf needed to disable preemption directly in its callback because it
expects preemption disabled in the later code.
BPF needed to disable migration, as its code expects to run completely on
the same CPU.
- Have irq_work wake up other CPU if current CPU is "isolated"
When there's a waiter waiting on ring buffer data and a new event happens,
an irq work is triggered to wake up that waiter. This is noisy on isolated
CPUs (running NO_HZ_FULL). Trigger an IPI to a house keeping CPU instead.
- Use proper free of trigger_data instead of open coding it in.
- Remove redundant call of event_trigger_reset_filter()
It was called immediately in a function that was called right after it.
- Workqueue cleanups
- Report errors if tracing_update_buffers() were to fail.
- Make the enum update workqueue generic for other parts of tracing
On boot up, a work queue is created to convert enum names into their
numbers in the trace event format files. This work queue can also be used
for other aspects of tracing that takes some time and shouldn't be called
by the init call code.
The blk_trace initialization takes a bit of time. Have the initialization
code moved to the new tracing generic work queue function.
- Skip kprobe boot event creation call if there's no kprobes defined on cmdline
The kprobe initialization to set up kprobes if they are defined on the
cmdline requires taking the event_mutex lock. This can be held by other
tracing code doing initialization for a long time. Since kprobes added to
the kernel command line need to be setup immediately, as they may be
tracing early initialization code, they cannot be postponed in a work
queue and must be setup in the initcall code.
If there's no kprobe on the kernel cmdline, there's no reason to take the
mutex and slow down the boot up code waiting to get the lock only to find
out there's nothing to do. Simply exit out early if there's no kprobes on
the kernel cmdline.
If there are kprobes on the cmdline, then someone cares more about tracing
over the speed of boot up.
- Clean up the trigger code a bit
- Move code out of trace.c and into their own files
trace.c is now over 11,000 lines of code and has become more difficult to
maintain. Start splitting it up so that related code is in their own
files.
Move all the trace_printk() related code into trace_printk.c.
Move the __always_inline stack functions into trace.h.
Move the pid filtering code into a new trace_pid.c file.
- Better define the max latency and snapshot code
The latency tracers have a "max latency" buffer that is a copy of the main
buffer and gets swapped with it when a new high latency is detected. This
keeps the trace up to the highest latency around where this max_latency
buffer is never written to. It is only used to save the last max latency
trace.
A while ago a snapshot feature was added to tracefs to allow user space to
perform the same logic. It could also enable events to trigger a
"snapshot" if one of their fields hit a new high. This was built on top of
the latency max_latency buffer logic.
Because snapshots came later, they were dependent on the latency tracers
to be enabled. In reality, the latency tracers depend on the snapshot code
and not the other way around. It was just that they came first.
Restructure the code and the kconfigs to have the latency tracers depend
on snapshot code instead. This actually simplifies the logic a bit and
allows to disable more when the latency tracers are not defined and the
snapshot code is.
- Fix a "false sharing" in the hwlat tracer code
The loop to search for latency in hardware was using a variable that could
be changed by user space for each sample. If the user change this
variable, it could cause a bus contention, and reading that variable can
show up as a large latency in the trace causing a false positive. Read
this variable at the start of the sample with a READ_ONCE() into a local
variable and keep the code from sharing cache lines with readers.
- Fix function graph tracer static branch optimization code
When only one tracer is defined for function graph tracing, it uses a
static branch to call that tracer directly. When another tracer is added,
it goes into loop logic to call all the registered callbacks.
The code was incorrect when going back to one tracer and never re-enabled
the static branch again to do the optimization code.
- And other small fixes and cleanups.
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Merge tag 'trace-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
"User visible changes:
- Add an entry into MAINTAINERS file for RUST versions of code
There's now RUST code for tracing and static branches. To
differentiate that code from the C code, add entries in for the
RUST version (with "[RUST]" around it) so that the right
maintainers get notified on changes.
- New bitmask-list option added to tracefs
When this is set, bitmasks in trace event are not displayed as hex
numbers, but instead as lists: e.g. 0-5,7,9 instead of 0000015f
- New show_event_filters file in tracefs
Instead of having to search all events/*/*/filter for any active
filters enabled in the trace instance, the file show_event_filters
will list them so that there's only one file that needs to be
examined to see if any filters are active.
- New show_event_triggers file in tracefs
Instead of having to search all events/*/*/trigger for any active
triggers enabled in the trace instance, the file
show_event_triggers will list them so that there's only one file
that needs to be examined to see if any triggers are active.
- Have traceoff_on_warning disable trace pintk buffer too
Recently recording of trace_printk() could go to other trace
instances instead of the top level instance. But if
traceoff_on_warning triggers, it doesn't stop the buffer with
trace_printk() and that data can easily be lost by being
overwritten. Have traceoff_on_warning also disable the instance
that has trace_printk() being written to it.
- Update the hist_debug file to show what function the field uses
When CONFIG_HIST_TRIGGERS_DEBUG is enabled, a hist_debug file
exists for every event. This displays the internal data of any
histogram enabled for that event. But it is lacking the function
that is called to process one of its fields. This is very useful
information that was missing when debugging histograms.
- Up the histogram stack size from 16 to 31
Stack traces can be used as keys for event histograms. Currently
the size of the stack that is stored is limited to just 16 entries.
But the storage space in the histogram is 256 bytes, meaning that
it can store up to 31 entries (plus one for the count of entries).
Instead of letting that space go to waste, up the limit from 16 to
31. This makes the keys much more useful.
- Fix permissions of per CPU file buffer_size_kb
The per CPU file of buffer_size_kb was incorrectly set to read only
in a previous cleanup. It should be writable.
- Reset "last_boot_info" if the persistent buffer is cleared
The last_boot_info shows address information of a persistent ring
buffer if it contains data from a previous boot. It is cleared when
recording starts again, but it is not cleared when the buffer is
reset. The data is useless after a reset so clear it on reset too.
Internal changes:
- A change was made to allow tracepoint callbacks to have preemption
enabled, and instead be protected by SRCU. This required some
updates to the callbacks for perf and BPF.
perf needed to disable preemption directly in its callback because
it expects preemption disabled in the later code.
BPF needed to disable migration, as its code expects to run
completely on the same CPU.
- Have irq_work wake up other CPU if current CPU is "isolated"
When there's a waiter waiting on ring buffer data and a new event
happens, an irq work is triggered to wake up that waiter. This is
noisy on isolated CPUs (running NO_HZ_FULL). Trigger an IPI to a
house keeping CPU instead.
- Use proper free of trigger_data instead of open coding it in.
- Remove redundant call of event_trigger_reset_filter()
It was called immediately in a function that was called right after
it.
- Workqueue cleanups
- Report errors if tracing_update_buffers() were to fail.
- Make the enum update workqueue generic for other parts of tracing
On boot up, a work queue is created to convert enum names into
their numbers in the trace event format files. This work queue can
also be used for other aspects of tracing that takes some time and
shouldn't be called by the init call code.
The blk_trace initialization takes a bit of time. Have the
initialization code moved to the new tracing generic work queue
function.
- Skip kprobe boot event creation call if there's no kprobes defined
on cmdline
The kprobe initialization to set up kprobes if they are defined on
the cmdline requires taking the event_mutex lock. This can be held
by other tracing code doing initialization for a long time. Since
kprobes added to the kernel command line need to be setup
immediately, as they may be tracing early initialization code, they
cannot be postponed in a work queue and must be setup in the
initcall code.
If there's no kprobe on the kernel cmdline, there's no reason to
take the mutex and slow down the boot up code waiting to get the
lock only to find out there's nothing to do. Simply exit out early
if there's no kprobes on the kernel cmdline.
If there are kprobes on the cmdline, then someone cares more about
tracing over the speed of boot up.
- Clean up the trigger code a bit
- Move code out of trace.c and into their own files
trace.c is now over 11,000 lines of code and has become more
difficult to maintain. Start splitting it up so that related code
is in their own files.
Move all the trace_printk() related code into trace_printk.c.
Move the __always_inline stack functions into trace.h.
Move the pid filtering code into a new trace_pid.c file.
- Better define the max latency and snapshot code
The latency tracers have a "max latency" buffer that is a copy of
the main buffer and gets swapped with it when a new high latency is
detected. This keeps the trace up to the highest latency around
where this max_latency buffer is never written to. It is only used
to save the last max latency trace.
A while ago a snapshot feature was added to tracefs to allow user
space to perform the same logic. It could also enable events to
trigger a "snapshot" if one of their fields hit a new high. This
was built on top of the latency max_latency buffer logic.
Because snapshots came later, they were dependent on the latency
tracers to be enabled. In reality, the latency tracers depend on
the snapshot code and not the other way around. It was just that
they came first.
Restructure the code and the kconfigs to have the latency tracers
depend on snapshot code instead. This actually simplifies the logic
a bit and allows to disable more when the latency tracers are not
defined and the snapshot code is.
- Fix a "false sharing" in the hwlat tracer code
The loop to search for latency in hardware was using a variable
that could be changed by user space for each sample. If the user
change this variable, it could cause a bus contention, and reading
that variable can show up as a large latency in the trace causing a
false positive. Read this variable at the start of the sample with
a READ_ONCE() into a local variable and keep the code from sharing
cache lines with readers.
- Fix function graph tracer static branch optimization code
When only one tracer is defined for function graph tracing, it uses
a static branch to call that tracer directly. When another tracer
is added, it goes into loop logic to call all the registered
callbacks.
The code was incorrect when going back to one tracer and never
re-enabled the static branch again to do the optimization code.
- And other small fixes and cleanups"
* tag 'trace-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (46 commits)
function_graph: Restore direct mode when callbacks drop to one
tracing: Fix indentation of return statement in print_trace_fmt()
tracing: Reset last_boot_info if ring buffer is reset
tracing: Fix to set write permission to per-cpu buffer_size_kb
tracing: Fix false sharing in hwlat get_sample()
tracing: Move d_max_latency out of CONFIG_FSNOTIFY protection
tracing: Better separate SNAPSHOT and MAX_TRACE options
tracing: Add tracer_uses_snapshot() helper to remove #ifdefs
tracing: Rename trace_array field max_buffer to snapshot_buffer
tracing: Move pid filtering into trace_pid.c
tracing: Move trace_printk functions out of trace.c and into trace_printk.c
tracing: Use system_state in trace_printk_init_buffers()
tracing: Have trace_printk functions use flags instead of using global_trace
tracing: Make tracing_update_buffers() take NULL for global_trace
tracing: Make printk_trace global for tracing system
tracing: Move ftrace_trace_stack() out of trace.c and into trace.h
tracing: Move __trace_buffer_{un}lock_*() functions to trace.h
tracing: Make tracing_selftest_running global to the tracing subsystem
tracing: Make tracing_disabled global for tracing system
tracing: Clean up use of trace_create_maxlat_file()
...
|
||
|
Linus Torvalds
|
f50822fd86 |
platform-drivers-x86 for v7.0-1
Highlights:
- amd/pmf:
- Avoid overwriting BIOS input values when events occur rapidly
- Fix PMF driver issues related to S4 (in part on crypto/ccp side)
- Add NPU metrics API (for accel side consumers)
- Allow disabling Smart PC function through a module parameter
- asus-wmi & HID/asus:
- Unification of backlight control (replaces quirks)
- Support multiple interfaces for controlling keyboard/RGB brightness
- Simplify init sequence
- hp-wmi:
- Add manual fan control for Victus S models
- Add fan mode keep-alive
- Fix platform profile values for Omen 16-wf1xxx
- Add EC offset to get the thermal profile
- intel/pmc: Show substate residencies also for non-primary PMCs
- intel/ISST:
- Store and restore data for all domains
- Write interface improvements
- lenovo-wmi:
- Support multiple Capability Data
- Add HWMON reporting and tuning support
- mellanox/mlx-platform: Add HI173 & HI174 support
- surface/aggregator_registry: Add Surface Pro 11 (QCOM)
- thinkpad_acpi: Add support for HW damage detection capability
- uniwill: Implement cTGP setting
- wmi:
- Introduce marshalling support
- Convert a few drivers to use the new buffer-based WMI API
- tools/power/x86/intel-speed-select: Allow read operations for non-root
- Miscellaneous cleanups / refactoring / improvements
The following is an automated shortlog grouped by driver:
amd/pmf:
- Added a module parameter to disable the Smart PC function
- Introduce new interface to export NPU metrics
- Prevent TEE errors after hibernate
- Use ring buffer to store custom BIOS input values
amd:
- Use scope-based cleanup for wbrf_record()
asus-wmi:
- add keyboard brightness event handler
- Add support for multiple kbd led handlers
- remove unused keyboard backlight quirk
crypto:
- ccp - Add an S4 restore flow
- ccp - Declare PSP dead if PSP_CMD_TEE_RING_INIT fails
- ccp - Factor out ring destroy handling to a helper
- ccp - Send PSP_CMD_TEE_RING_DESTROY when PSP_CMD_TEE_RING_INIT fails
HID: asus:
- add support for the asus-wmi brightness handler
- early return for ROG devices
- fortify keyboard handshake
- initialize additional endpoints only for certain devices
- listen to the asus-wmi brightness device instead of creating one
- move vendor initialization to probe
- simplify RGB init sequence
- use same report_id in response
hp-wmi:
- Add EC offsets to read Victus S thermal profile
- add manual fan control for Victus S models
- fix platform profile values for Omen 16-wf1xxx
- implement fan keep-alive
- order include headers
ideadpad-laptop:
- Clean up style warnings and checks
intel/pmc:
- Change LPM mode fields to u8
- Enable substate residencies for multiple PMCs
- Move LPM mode attributes to PMC
- Remove double empty line
intel/pmt:
- Replace sprintf() with sysfs_emit()
intel/uncore-freq:
- Replace sprintf() with scnprintf()
- Replace sprintf() with sysfs_emit()
intel-wmi-sbl-fw-update:
- Use new buffer-based WMI API
intel/wmi: thunderbolt:
- Use new buffer-based WMI API
ISST:
- Add missing write block check
- Check for admin capability for write commands
- Optimize suspend/resume callbacks
- Store and restore all domains data
lenovo-wmi-capdata:
- Add support for Capability Data 00
- Add support for Fan Test Data
lenovo-wmi-{capdata,other}:
- Fix HWMON channel visibility
- Support multiple Capability Data
lenovo-wmi-capdata:
- Wire up Fan Test Data
lenovo-wmi-helpers:
- Convert returned buffer into u32
lenovo-wmi-other:
- Add HWMON for fan reporting/tuning
mlx-platform:
- Add support DGX flavor of next-generation 800GB/s ethernet switch.
- Add support for new Nvidia DGX system based on class VMOD0010
Rename lenovo-wmi-capdata01 to lenovo-wmi-capdata:
- Rename lenovo-wmi-capdata01 to lenovo-wmi-capdata
surface: aggregator_registry:
- Add Surface Pro 11 (QCOM)
surface:
- Replace deprecated strcpy() in surface_button_add()
thinkpad_acpi:
- Add support to detect hardware damage detection capability.
- Add sysfs to display details of damaged device.
tools/power/x86/intel-speed-select:
- Allow non root users
- Fix file descriptor leak in isolate_cpus()
- Use pkg-config for libnl-3.0 detection
- v1.25 release
uniwill:
- Implement cTGP setting
uniwill-laptop:
- Introduce device descriptor system
wmi:
- Add helper functions for WMI string conversions
- Add kunit test for the marshalling code
- Add kunit test for the string conversion code
wmi-bmof:
- Use new buffer-based WMI API
wmi:
- Introduce marshalling support
wmi: string-kunit:
- Add missing oversized string test case
wmi:
- Update driver development guide
xiaomi-wmi:
- Use new buffer-based WMI API
yogabook:
- Clean up code style
Merges:
- Merge branch 'fixes' of into for-next
- Merge branch 'intel-sst' of https://github.com/spandruvada/linux-kernel into for-next
- Merge branch 'platform-drivers-x86-asus-kbd' into for-next
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Merge tag 'platform-drivers-x86-v7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
"Highlights:
- amd/pmf:
- Avoid overwriting BIOS input values when events occur rapidly
- Fix PMF driver issues related to S4 (in part on crypto/ccp side)
- Add NPU metrics API (for accel side consumers)
- Allow disabling Smart PC function through a module parameter
- asus-wmi & HID/asus:
- Unification of backlight control (replaces quirks)
- Support multiple interfaces for controlling keyboard/RGB brightness
- Simplify init sequence
- hp-wmi:
- Add manual fan control for Victus S models
- Add fan mode keep-alive
- Fix platform profile values for Omen 16-wf1xxx
- Add EC offset to get the thermal profile
- intel/pmc: Show substate residencies also for non-primary PMCs
- intel/ISST:
- Store and restore data for all domains
- Write interface improvements
- lenovo-wmi:
- Support multiple Capability Data
- Add HWMON reporting and tuning support
- mellanox/mlx-platform: Add HI173 & HI174 support
- surface/aggregator_registry: Add Surface Pro 11 (QCOM)
- thinkpad_acpi: Add support for HW damage detection capability
- uniwill: Implement cTGP setting
- wmi:
- Introduce marshalling support
- Convert a few drivers to use the new buffer-based WMI API
- tools/power/x86/intel-speed-select: Allow read operations for non-root
- Miscellaneous cleanups / refactoring / improvements"
* tag 'platform-drivers-x86-v7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (68 commits)
platform/x86: lenovo-wmi-{capdata,other}: Fix HWMON channel visibility
platform/x86: hp-wmi: Add EC offsets to read Victus S thermal profile
platform: mellanox: mlx-platform: Add support DGX flavor of next-generation 800GB/s ethernet switch.
platform: mellanox: mlx-platform: Add support for new Nvidia DGX system based on class VMOD0010
HID: asus: add support for the asus-wmi brightness handler
platform/x86: asus-wmi: add keyboard brightness event handler
platform/x86: asus-wmi: remove unused keyboard backlight quirk
HID: asus: listen to the asus-wmi brightness device instead of creating one
platform/x86: asus-wmi: Add support for multiple kbd led handlers
HID: asus: early return for ROG devices
HID: asus: move vendor initialization to probe
HID: asus: fortify keyboard handshake
HID: asus: use same report_id in response
HID: asus: initialize additional endpoints only for certain devices
HID: asus: simplify RGB init sequence
platform/wmi: string-kunit: Add missing oversized string test case
platform/x86/amd/pmf: Added a module parameter to disable the Smart PC function
platform/x86/uniwill: Implement cTGP setting
platform/x86: uniwill-laptop: Introduce device descriptor system
platform/x86/amd: Use scope-based cleanup for wbrf_record()
...
|
||
|
Linus Torvalds
|
1b49e36325 |
* MTD
The ofpart parsing in physmap-core has been prioritized.
There has been a series of conversion to scoped for each OF child
loops.
* Bindings
The bulk of the changes consists in binding fixes/updates to restrict
the use of undefined properties, which was almost inefficient in the
current form because of the nesting of partition nodes and the lack of
compatible strings sometimes.
These changes are accompanied by YAML conversions and the addition of a
dma-coherent property in the cdns,hp-nfc driver.
* SPI NAND
The major feature this release is the support for octal DTR
modes (8D-8D-8D).
Support for Foresee F35SQB002G chips has been added.
Other changes are small misc fixes.
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Merge tag 'mtd/for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD:
- prioritize ofpart in physmap-core probing
- conversions to scoped for each OF child loops
Bindings:
- The bulk of the changes consists of binding fixes/updates to
restrict the use of undefined properties, which was mostly
ineffective in the current form because of the nesting of partition
nodes and the lack of compatible strings
- YAML conversions and the addition of a dma-coherent property in the
cdns,hp-nfc driver
SPI NAND:
- support for octal DTR modes (8D-8D-8D)
- support for Foresee F35SQB002G chips
And small misc fixes"
* tag 'mtd/for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (65 commits)
mtd: spi-nor: hisi-sfc: fix refcounting bug in hisi_spi_nor_register_all()
mtd: spinand: fix NULL pointer dereference in spinand_support_vendor_ops()
mtd: rawnand: pl353: Add message about ECC mode
mtd: rawnand: pl353: Fix software ECC support
mtd: spinand: winbond: Remove unneeded semicolon
dt-bindings: mtd: cdns,hp-nfc: Add dma-coherent property
mtd: spinand: Disable continuous read during probe
mtd: spinand: add Foresee F35SQB002G flash support
mtd: spinand: winbond: W35N octal DTR support
mtd: spinand: Add octal DTR support
mtd: spinand: Warn if using SSDR-only vendor commands in a non SSDR mode
mtd: spinand: Give the bus interface to the configuration helper
mtd: spinand: Propagate the bus interface across core helpers
mtd: spinand: Add support for setting a bus interface
mtd: spinand: Gather all the bus interface steps in one single function
mtd: spinand: winbond: Configure the IO mode after the dummy cycles
mtd: spinand: winbond: Rename IO_MODE register macro
mtd: spinand: winbond: Fix style
mtd: spinand: winbond: Register W35N vendor specific operation
mtd: spinand: winbond: Register W25N vendor specific operation
...
|
||
|
Linus Torvalds
|
72f05009d8 |
dma-mapping update for Linux 7.0
A small code cleanup for DMA-mapping subsystem: - removal of unused hooks (Robin Murphy) -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSrngzkoBtlA8uaaJ+Jp1EFxbsSRAUCaY80tQAKCRCJp1EFxbsS RHQUAP9yrD7PczbUfOCcYoxvmyqYZ76gQLwnx9GB4Gi0pctxGAEA1hxsu+LisN5x uMc3XW/zluzQj/gn+jWCD5v5DzdEWA4= =uf46 -----END PGP SIGNATURE----- Merge tag 'dma-mapping-7.0-2026-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux Pull dma-mapping update from Marek Szyprowski: "A small code cleanup for the DMA-mapping subsystem: removal of unused hooks (Robin Murphy)" * tag 'dma-mapping-7.0-2026-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux: dma-mapping: Remove dma_mark_clean (again) |
||
|
Linus Torvalds
|
44331bd6a6 |
Three MM hotfixes, all three are cc:stable.
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Merge tag 'mm-hotfixes-stable-2026-02-13-07-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM fixes from Andrew Morton:
"Three MM hotfixes, all three are cc:stable"
* tag 'mm-hotfixes-stable-2026-02-13-07-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
procfs: fix possible double mmput() in do_procmap_query()
mm/page_alloc: skip debug_check_no_{obj,locks}_freed with FPI_TRYLOCK
mm/hugetlb: restore failed global reservations to subpool
|
||
|
Linus Torvalds
|
a353e7260b |
virtio,vhost,vdpa: features, fixes
- in order support in virtio core - multiple address space support in vduse - fixes, cleanups all over the place, notably - dma alignment fixes for non cache coherent systems Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCgAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmmO9rYPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpBzYH/2wUPo3T8/CKGFjF7QSPzgL/UI2NhnP8iSm4 btg1zVnrWmJK6vVIwnf5UsG8dFKsMcp/BEGCewTmIddNM2wEeSul0kKDXtIzrK/U jdA9bJrUKLMeU7IFKne1Fip/yE+5nkWJttWXXyVRJtOJrYxZlkWfqSns3qYcPvsG g7HXvF6tmici5uoKdRCLqHtQCWsvpnvTD5A7qoZAlEUjlQCDKKmuukpN9oK5UYLl 9uUOgPQAJaxIwx1C4uP7L+AwbLUcN/+MtrvQRNz+sFpP3sN9oXeDJKBpNQp109NB JGk1sUsINL+54Cmdd5RwZ9T1vBJyRDrdWRDy1yHj95LildaPfh0= =pnob -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: - in-order support in virtio core - multiple address space support in vduse - fixes, cleanups all over the place, notably dma alignment fixes for non-cache-coherent systems * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (59 commits) vduse: avoid adding implicit padding vhost: fix caching attributes of MMIO regions by setting them explicitly vdpa/mlx5: update MAC address handling in mlx5_vdpa_set_attr() vdpa/mlx5: reuse common function for MAC address updates vdpa/mlx5: update mlx_features with driver state check crypto: virtio: Replace package id with numa node id crypto: virtio: Remove duplicated virtqueue_kick in virtio_crypto_skcipher_crypt_req crypto: virtio: Add spinlock protection with virtqueue notification Documentation: Add documentation for VDUSE Address Space IDs vduse: bump version number vduse: add vq group asid support vduse: merge tree search logic of IOTLB_GET_FD and IOTLB_GET_INFO ioctls vduse: take out allocations from vduse_dev_alloc_coherent vduse: remove unused vaddr parameter of vduse_domain_free_coherent vduse: refactor vdpa_dev_add for goto err handling vhost: forbid change vq groups ASID if DRIVER_OK is set vdpa: document set_group_asid thread safety vduse: return internal vq group struct as map token vduse: add vq group support vduse: add v1 API definition ... |
||
|
Linus Torvalds
|
cb5573868e |
Loongarch:
- Add more CPUCFG mask bits. - Improve feature detection. - Add lazy load support for FPU and binary translation (LBT) register state. - Fix return value for memory reads from and writes to in-kernel devices. - Add support for detecting preemption from within a guest. - Add KVM steal time test case to tools/selftests. ARM: - Add support for FEAT_IDST, allowing ID registers that are not implemented to be reported as a normal trap rather than as an UNDEF exception. - Add sanitisation of the VTCR_EL2 register, fixing a number of UXN/PXN/XN bugs in the process. - Full handling of RESx bits, instead of only RES0, and resulting in SCTLR_EL2 being added to the list of sanitised registers. - More pKVM fixes for features that are not supposed to be exposed to guests. - Make sure that MTE being disabled on the pKVM host doesn't give it the ability to attack the hypervisor. - Allow pKVM's host stage-2 mappings to use the Force Write Back version of the memory attributes by using the "pass-through' encoding. - Fix trapping of ICC_DIR_EL1 on GICv5 hosts emulating GICv3 for the guest. - Preliminary work for guest GICv5 support. - A bunch of debugfs fixes, removing pointless custom iterators stored in guest data structures. - A small set of FPSIMD cleanups. - Selftest fixes addressing the incorrect alignment of page allocation. - Other assorted low-impact fixes and spelling fixes. RISC-V: - Fixes for issues discoverd by KVM API fuzzing in kvm_riscv_aia_imsic_has_attr(), kvm_riscv_aia_imsic_rw_attr(), and kvm_riscv_vcpu_aia_imsic_update() - Allow Zalasr, Zilsd and Zclsd extensions for Guest/VM - Transparent huge page support for hypervisor page tables - Adjust the number of available guest irq files based on MMIO register sizes found in the device tree or the ACPI tables - Add RISC-V specific paging modes to KVM selftests - Detect paging mode at runtime for selftests s390: - Performance improvement for vSIE (aka nested virtualization) - Completely new memory management. s390 was a special snowflake that enlisted help from the architecture's page table management to build hypervisor page tables, in particular enabling sharing the last level of page tables. This however was a lot of code (~3K lines) in order to support KVM, and also blocked several features. The biggest advantages is that the page size of userspace is completely independent of the page size used by the guest: userspace can mix normal pages, THPs and hugetlbfs as it sees fit, and in fact transparent hugepages were not possible before. It's also now possible to have nested guests and guests with huge pages running on the same host. - Maintainership change for s390 vfio-pci - Small quality of life improvement for protected guests x86: - Add support for giving the guest full ownership of PMU hardware (contexted switched around the fastpath run loop) and allowing direct access to data MSRs and PMCs (restricted by the vPMU model). KVM still intercepts access to control registers, e.g. to enforce event filtering and to prevent the guest from profiling sensitive host state. This is more accurate, since it has no risk of contention and thus dropped events, and also has significantly less overhead. For more information, see the commit message for merge commit |
||
|
Linus Torvalds
|
c87c79345e |
Just a very few minor things:
- two signal handling fixes - dynamic addition of virtio devices - and a single code cleanup -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEpeA8sTs3M8SN2hR410qiO8sPaAAFAmmPGUcACgkQ10qiO8sP aADBnw//cB1k60IYujqL7FffztGGIhoFLCEPt0UqMXZqrHY2aLytCuWXG4tqpMr4 o3wAtPs0tsXKR6Y6Yx9THgXWhWMGTBb6Teo8/CUb1i+YgtEvUoNx2XBgdjc64f+U ABrqEy4BkX1mLIqBL+RxqXY5BFN5RsBfZJiRMRlKO9ZOqC3dB/XRXjX2L9l5/5wt eASCgwdFQeo+T4cB9Zoi2Uxgm4IsX8M0uNO+zWLYMKgxy5yKAv9hvKXzxBTwBGtp R1CGWVBxc0Tfvgs1dVEyfJ2puZVoZetEQsm+uDzN26QVCPlLkAaIpQdFeTrws1XZ TTKBDpBeL8QsohnS2Da7sP8hG8S3n/PPP3/8su4euNDMgEwJHK3BG5sXGW1FMLHc 59bN+2ymUrHTMxbyxsHsDg78r5g+gK0V8RR3GSPPTnK7gKKXDL4Q/K6zAsx6KQGf CwGspD58kPnROWIyAHx7hBwcaEeNv/afSijZTNFPgir6AAJttOo+r+uMVRKZv/RP lRAtUPJLUvrJzKux6gQtVUvQgc9KR7Cm1+Gj9NgsGCr9YCif7MV5Ak4pG2t/9Ioy ZHaBsdNmFf5nIHyJy02ugAhaJNzQtc3bEDk6YN3O2m4oxD5YUV7SNapp51JWXfHp ncf3HxmhTb0ZFZRP1V6aPF9R7RGai5GKXVH8BuiLuFi9kh430q4= =xbfp -----END PGP SIGNATURE----- Merge tag 'uml-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux Pull UML updates from Johannes Berg: "UML was _really_ quiet, with just four small commits: - two signal handling fixes - dynamic addition of virtio devices - a single code cleanup" * tag 'uml-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: arch/um: remove unused varible err in remove_files_and_dir() um: virtio_uml: Support adding devices via mconsole um: Handle SIGCHLD in seccomp mode like other IRQ signals um: Preserve errno within signal handler |
||
|
Thomas Weißschuh
|
b52343d1cb |
ARM: clean up the memset64() C wrapper
The current logic to split the 64-bit argument into its 32-bit halves is byte-order specific and a bit clunky. Use a union instead which is easier to read and works in all cases. GCC still generates the same machine code. While at it, rename the arguments of the __memset64() prototype to actually reflect their semantics. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Thomas Weißschuh
|
cd7a5651db |
alpha: add missing address argument in call to page_table_check_pte_clear()
After the merge of the alpha and mm trees, this code does not compile, as a parameter is missing in a call to page_table_check_pte_clear(). The parameter was re-added in commit |
||
|
Miquel Raynal
|
7e96d76c74 |
SPI NAND
- The major feature this release is the support for octal DTR modes (8D-8D-8D). - There has been as well a series of conversion to scoped for each OF child loops. - Support for Foresee F35SQB002G chips has been added. Other changes are small fixes. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEE9HuaYnbmDhq/XIDIJWrqGEe9VoQFAmmPA08ACgkQJWrqGEe9 VoQlBQf/VecZcBAXdVoKBMOeWZbGugE5314boQJ0gvv7lvKKjq4YFijjfLVjZADw +TQdAUcPerlvJ04LsUMPAD+Hh169ejaHvYnEBDFqO7g/eKUEWob6NeD2b+4SKm+y Y/taa+w2YrSAuyn8wIiANB8WasbReqpQd0tq2OguNrCw6mTmAqLZwOCANH6FViDA AbR5y9JjVSGW9tyCqSuHvwvnz6e7hwzokOYpHzE56n6nqDWywAG65UiK6sN/pFME O2rCm8V3laa3mdYkr8Rgy9Ee1sI+erD1TKWqwTGfNQly1vU4j7b3hHjjxAfr2JHr kXWjG2tAJTrDcqI9D+Re93p+G2QF3g== =8YHZ -----END PGP SIGNATURE----- Merge tag 'nand/for-7.0' into mtd/next SPI NAND - The major feature this release is the support for octal DTR modes (8D-8D-8D). - There has been as well a series of conversion to scoped for each OF child loops. - Support for Foresee F35SQB002G chips has been added. Other changes are small fixes. |
||
|
Shengming Hu
|
53b2fae90f |
function_graph: Restore direct mode when callbacks drop to one
When registering a second fgraph callback, direct path is disabled and
array loop is used instead. When ftrace_graph_active falls back to one,
we try to re-enable direct mode via ftrace_graph_enable_direct(true, ...).
But ftrace_graph_enable_direct() incorrectly disables the static key
rather than enabling it. This leaves fgraph_do_direct permanently off
after first multi-callback transition, so direct fast mode is never
restored.
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260213142932519cuWSpEXeS4-UnCvNXnK2P@zte.com.cn
Fixes:
|
||
|
Linus Torvalds
|
cee73b1e84 |
RISC-V updates for v7.0
- Add support for control flow integrity for userspace processes. This is based on the standard RISC-V ISA extensions Zicfiss and Zicfilp - Improve ptrace behavior regarding vector registers, and add some selftests - Optimize our strlen() assembly - Enable the ISO-8859-1 code page as built-in, similar to ARM64, for EFI volume mounting - Clean up some code slightly, including defining copy_user_page() as copy_page() rather than memcpy(), aligning us with other architectures; and using max3() to slightly simplify an expression in riscv_iommu_init_check() -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEElRDoIDdEz9/svf2Kx4+xDQu9KksFAmmOYpYACgkQx4+xDQu9 KkvzOQ/9Fq8ZxWgYofhTPtw9/vps3avheOHlEoRrBWYfn1VkTRPAcbUULL4PGXwg dnVFEl3AcrpOFikIthbukklLeLoOnUshZJBU25zY5h0My1jb63V1//gEwJR6I0dg +V+GJmfzc4+YVaHK6UFdn7j3GgKUbTC7xXRMuGEriAzKPnm3AXAjh94wMNx6depv Li3IXRoZT/HvqIAyfeAoM9STwOzJtE3Sc6fXABkzsIbNTjjdgIqoRSsQsKY10178 z6ox/sVStnLmVaMbOd/ZVN0J70JRDsvK0TC0/13K1ESUbnVia9a3bPIxLRmSapKC wXnwAuSeevtFshGGyd5LZO0QQGxzG1H63Gky2GRoh8bTQbd2tQcfQzANdnPkBAQS j2aOiSsiUQeNZqfZAfEBwRd27GXRYlKb/MpgCZKUH+ZO9VG6QaD3VGvg17/Caghy nVdbBQ81ZV9tkz9EMN0vt2VJHmEqARh88w619laHjg+ioPTG4/UIDPzskt1I+Fgm Y6NQLeFyfaO3RKKDYWGPcY7fmWQI9V8MECHOvyVI4xJcgqAbqnfsgytjuiFbrfRo fTvpuB7kvltBZ180QSB79xj0sWGFTWR02MeWy3uOaLZz2eIm2ZTZbMUSgNYR0ldG L3y7CEkTkoVF1ijYgAfuMgptk3Yf0dpa66D9HUo947wWkNrW5ds= =4fTk -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-7.0-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Paul Walmsley: - Add support for control flow integrity for userspace processes. This is based on the standard RISC-V ISA extensions Zicfiss and Zicfilp - Improve ptrace behavior regarding vector registers, and add some selftests - Optimize our strlen() assembly - Enable the ISO-8859-1 code page as built-in, similar to ARM64, for EFI volume mounting - Clean up some code slightly, including defining copy_user_page() as copy_page() rather than memcpy(), aligning us with other architectures; and using max3() to slightly simplify an expression in riscv_iommu_init_check() * tag 'riscv-for-linus-7.0-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (42 commits) riscv: lib: optimize strlen loop efficiency selftests: riscv: vstate_exec_nolibc: Use the regular prctl() function selftests: riscv: verify ptrace accepts valid vector csr values selftests: riscv: verify ptrace rejects invalid vector csr inputs selftests: riscv: verify syscalls discard vector context selftests: riscv: verify initial vector state with ptrace selftests: riscv: test ptrace vector interface riscv: ptrace: validate input vector csr registers riscv: csr: define vtype register elements riscv: vector: init vector context with proper vlenb riscv: ptrace: return ENODATA for inactive vector extension kselftest/riscv: add kselftest for user mode CFI riscv: add documentation for shadow stack riscv: add documentation for landing pad / indirect branch tracking riscv: create a Kconfig fragment for shadow stack and landing pad support arch/riscv: add dual vdso creation logic and select vdso based on hw arch/riscv: compile vdso with landing pad and shadow stack note riscv: enable kernel access to shadow stack memory via the FWFT SBI call riscv: add kernel command line option to opt out of user CFI riscv/hwprobe: add zicfilp / zicfiss enumeration in hwprobe ... |
||
|
Linus Torvalds
|
7563f7e0e9 |
power supply and reset changes for the 7.0 series
* power-supply core
- sysfs: Constify pointer passed to dev_attr_psp
- extend DT binding documentation for battery cells to allow
describing voltage drop behaviour
* power-supply drivers
- multiple: Remove unused gpio include header
- multiple: Fix potential IRQ use-after-free on driver unload
- bd71828: Add support for ROHM BD72720
- misc. small fixes
* reset drivers
- tdx-ec-poweroff: fix restart
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Merge tag 'for-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"power-supply core:
- sysfs: constify pointer passed to dev_attr_psp
- extend DT binding documentation for battery cells to allow
describing voltage drop behaviour
power-supply drivers:
- multiple: Remove unused gpio include header
- multiple: Fix potential IRQ use-after-free on driver unload
- bd71828: Add support for ROHM BD72720
- misc small fixes
reset drivers:
- tdx-ec-poweroff: fix restart"
* tag 'for-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (30 commits)
power: supply: bd71828: Use dev_err_probe()
dt-bindings: power: supply: google,goldfish-battery: Convert to DT schema
power: supply: qcom_battmgr: Recognize "LiP" as lithium-polymer
power: supply: wm97xx: Use devm_power_supply_register()
power: supply: wm97xx: Use devm_kcalloc()
power: supply: pm8916_lbc: Fix use-after-free for extcon in IRQ handler
power: reset: tdx-ec-poweroff: fix restart
docs: power: update documentation about removed function
power: supply: wm97xx: Fix NULL pointer dereference in power_supply_changed()
MAINTAINERS: adjust file entry in ROHM BD71828 CHARGER
power: supply: ab8500_chargalg: improve kernel-doc
power: supply: sysfs: Constify pointer passed to dev_attr_psp()
power: supply: bq27xxx: fix wrong errno when bus ops are unsupported
power: reset: nvmem-reboot-mode: respect cell size for nvmem_cell_write
power: supply: sbs-battery: Fix use-after-free in power_supply_changed()
power: supply: rt9455: Fix use-after-free in power_supply_changed()
power: supply: pm8916_lbc: Fix use-after-free in power_supply_changed()
power: supply: pm8916_bms_vm: Fix use-after-free in power_supply_changed()
power: supply: pf1550: Fix use-after-free in power_supply_changed()
power: supply: goldfish: Fix use-after-free in power_supply_changed()
...
|
||
|
Linus Torvalds
|
7449f86baf |
NFS Client Updates for Linux 7.0
New Features:
* Use an LRU list for returning unused delegations
* Introduce a KConfig option to disable NFS v4.0 and make NFS v4.1 the default
Bugfixes:
* NFS/localio: Handle short writes by retrying
* NFS/localio: prevent direct reclaim recursion into NFS via nfs_writepages
* NFS/localio: use GFP_NOIO and non-memreclaim workqueue in nfs_local_commit
* NFS/localio: remove -EAGAIN handling in nfs_local_doio()
* pNFS: fix a missing wake up while waiting on NFS_LAYOUT_DRAIN
* fs/nfs: Fix a readdir slow-start regression
* SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path
Other Cleanups and Improvements:
* A few other NFS/localio cleanups
* Various other delegation handling cleanups from Christoph
* Unify security_inode_listsecurity() calls
* Improvements to NFSv4 lease handling
* Clean up SUNRPC *_debug fields when CONFIG_SUNRPC_DEBUG is not set
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Merge tag 'nfs-for-7.0-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"New Features:
- Use an LRU list for returning unused delegations
- Introduce a KConfig option to disable NFS v4.0 and make NFS v4.1
the default
Bugfixes:
- NFS/localio:
- Handle short writes by retrying
- Prevent direct reclaim recursion into NFS via nfs_writepages
- Use GFP_NOIO and non-memreclaim workqueue in nfs_local_commit
- Remove -EAGAIN handling in nfs_local_doio()
- pNFS: fix a missing wake up while waiting on NFS_LAYOUT_DRAIN
- fs/nfs: Fix a readdir slow-start regression
- SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path
Other cleanups and improvements:
- A few other NFS/localio cleanups
- Various other delegation handling cleanups from Christoph
- Unify security_inode_listsecurity() calls
- Improvements to NFSv4 lease handling
- Clean up SUNRPC *_debug fields when CONFIG_SUNRPC_DEBUG is not set"
* tag 'nfs-for-7.0-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (60 commits)
SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path
nfs: nfs4proc: Convert comma to semicolon
SUNRPC: Change list definition method
sunrpc: rpc_debug and others are defined even if CONFIG_SUNRPC_DEBUG unset
NFSv4: limit lease period in nfs4_set_lease_period()
NFSv4: pass lease period in seconds to nfs4_set_lease_period()
nfs: unify security_inode_listsecurity() calls
fs/nfs: Fix readdir slow-start regression
pNFS: fix a missing wake up while waiting on NFS_LAYOUT_DRAIN
NFS: fix delayed delegation return handling
NFS: simplify error handling in nfs_end_delegation_return
NFS: fold nfs_abort_delegation_return into nfs_end_delegation_return
NFS: remove the delegation == NULL check in nfs_end_delegation_return
NFS: use bool for the issync argument to nfs_end_delegation_return
NFS: return void from ->return_delegation
NFS: return void from nfs4_inode_make_writeable
NFS: Merge CONFIG_NFS_V4_1 with CONFIG_NFS_V4
NFS: Add a way to disable NFS v4.0 via KConfig
NFS: Move sequence slot operations into minorversion operations
NFS: Pass a struct nfs_client to nfs4_init_sequence()
...
|
||
|
Linus Torvalds
|
8429538c2c |
tools/testing: keep legacy generated files around in .gitignore file
People keep removing generated files from .gitignore files even when the
files stay around. Please don't do that: just because the file is no
longer being generated doesn't make it magically go away, and doesn't
make it suddenly be something that should now not be ignored any more.
Fixes:
|
||
|
Linus Torvalds
|
2c75a8d92c |
ATA changes for 6.20
- Cleanup IRQ masking in the handling of completed report zones
commands (Niklas).
- Improve the handling of Thunderbolt attached devices to speed up
device removal (Henry).
- Several patches to generalize the existing max_sec quirks to
facilitates quirking the maximum command size of buggy drives, many
of which have recently showed up with the recent increase of the
default max_sectors block limit (Niklas).
- Cleanup the ahci-platform and sata dt-bindings schema (Rob,
Manivannan).
- Improve device node scan in the ahci-dwc driver (Krzysztof).
- Remove clang W=1 warnings with the ahci-imx and ahci-xgene drivers
(Krzysztof).
- Fix a long standing potential command starvation situation with
non-NCQ commands issued when NCQ commands are on-going (me).
- Limit max_sectors to 8191 on the INTEL SSDSC2KG480G8 SSD (Niklas).
- Remove Vesa Local Bus (VLB) support in the pata_legacy driver
(Ethan).
- Simple fixes in the pata_cypress (typo) and pata_ftide010 (timing)
drivers (Ethan, Linus W.)
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Merge tag 'ata-6.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ATA updates from Damien Le Moal:
- Cleanup IRQ masking in the handling of completed report zones
commands (Niklas)
- Improve the handling of Thunderbolt attached devices to speed up
device removal (Henry)
- Several patches to generalize the existing max_sec quirks to
facilitates quirking the maximum command size of buggy drives, many
of which have recently showed up with the recent increase of the
default max_sectors block limit (Niklas)
- Cleanup the ahci-platform and sata dt-bindings schema (Rob,
Manivannan)
- Improve device node scan in the ahci-dwc driver (Krzysztof)
- Remove clang W=1 warnings with the ahci-imx and ahci-xgene drivers
(Krzysztof)
- Fix a long standing potential command starvation situation with
non-NCQ commands issued when NCQ commands are on-going (me)
- Limit max_sectors to 8191 on the INTEL SSDSC2KG480G8 SSD (Niklas)
- Remove Vesa Local Bus (VLB) support in the pata_legacy driver (Ethan)
- Simple fixes in the pata_cypress (typo) and pata_ftide010 (timing)
drivers (Ethan, Linus W)
* tag 'ata-6.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: pata_ftide010: Fix some DMA timings
ata: pata_cypress: fix typo in error message
ata: pata_legacy: remove VLB support
ata: libata-core: Quirk INTEL SSDSC2KG480G8 max_sectors
dt-bindings: ata: sata: Document the graph port
ata: libata-scsi: avoid Non-NCQ command starvation
ata: libata-scsi: refactor ata_scsi_translate()
ata: ahci-xgene: Fix Wvoid-pointer-to-enum-cast warning
ata: ahci-imx: Fix Wvoid-pointer-to-enum-cast warning
ata: ahci-dwc: Simplify with scoped for each OF child loop
dt-bindings: ata: ahci-platform: Drop unnecessary select schema
ata: libata: Allow more quirks
ata: libata: Add libata.force parameter max_sec
ata: libata: Add support to parse equal sign in libata.force
ata: libata: Change libata.force to use the generic ATA_QUIRK_MAX_SEC quirk
ata: libata: Add ata_force_get_fe_for_dev() helper
ata: libata: Add ATA_QUIRK_MAX_SEC and convert all device quirks
ata: libata: avoid long timeouts on hot-unplugged SATA DAS
ata: libata-scsi: Remove superfluous local_irq_save()
|
||
|
Linus Torvalds
|
311aa68319 |
RDMA v7.0 merge window
Usual smallish cycle:
- Various code improvements in irdma, rtrs, qedr, ocrdma, irdma, rxe
- Small driver improvements and minor bug fixes to hns, mlx5, rxe, mana,
mlx5, irdma
- Robusness improvements in completion processing for EFA
- New query_port_speed() verb to move past limited IBA defined speed steps
- Support for SG_GAPS in rts and many other small improvements
- Rare list corruption fix in iwcm
- Better support different page sizes in rxe
- Device memory support for mana
- Direct bio vec to kernel MR for use by NFS-RDMA
- QP rate limiting for bnxt_re
- Remote triggerable NULL pointer crash in siw
- DMA-buf exporter support for RDMA mmaps like doorbells
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Usual smallish cycle. The NFS biovec work to push it down into RDMA
instead of indirecting through a scatterlist is pretty nice to see,
been talked about for a long time now.
- Various code improvements in irdma, rtrs, qedr, ocrdma, irdma, rxe
- Small driver improvements and minor bug fixes to hns, mlx5, rxe,
mana, mlx5, irdma
- Robusness improvements in completion processing for EFA
- New query_port_speed() verb to move past limited IBA defined speed
steps
- Support for SG_GAPS in rts and many other small improvements
- Rare list corruption fix in iwcm
- Better support different page sizes in rxe
- Device memory support for mana
- Direct bio vec to kernel MR for use by NFS-RDMA
- QP rate limiting for bnxt_re
- Remote triggerable NULL pointer crash in siw
- DMA-buf exporter support for RDMA mmaps like doorbells"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (66 commits)
RDMA/mlx5: Implement DMABUF export ops
RDMA/uverbs: Add DMABUF object type and operations
RDMA/uverbs: Support external FD uobjects
RDMA/siw: Fix potential NULL pointer dereference in header processing
RDMA/umad: Reject negative data_len in ib_umad_write
IB/core: Extend rate limit support for RC QPs
RDMA/mlx5: Support rate limit only for Raw Packet QP
RDMA/bnxt_re: Report QP rate limit in debugfs
RDMA/bnxt_re: Report packet pacing capabilities when querying device
RDMA/bnxt_re: Add support for QP rate limiting
MAINTAINERS: Drop RDMA files from Hyper-V section
RDMA/uverbs: Add __GFP_NOWARN to ib_uverbs_unmarshall_recv() kmalloc
svcrdma: use bvec-based RDMA read/write API
RDMA/core: add rdma_rw_max_sge() helper for SQ sizing
RDMA/core: add MR support for bvec-based RDMA operations
RDMA/core: use IOVA-based DMA mapping for bvec RDMA operations
RDMA/core: add bio_vec based RDMA read/write API
RDMA/irdma: Use kvzalloc for paged memory DMA address array
RDMA/rxe: Fix race condition in QP timer handlers
RDMA/mana_ib: Add device‑memory support
...
|
||
|
Linus Torvalds
|
e812928be2 |
cxl changes for v7.0
- A set of commits that introduces cxl_memdev_attach and pave way for soft reserved handling, type2 accelerator enabling, and LSA 2.0 enabling. All these series require the endpoint driver to settle before continuing the memdev driver probe. dax/hmem, e820, resource: Defer Soft Reserved insertion until hmem is ready cxl/mem: Introduce cxl_memdev_attach for CXL-dependent operation cxl/mem: Drop @host argument to devm_cxl_add_memdev() cxl/mem: Convert devm_cxl_add_memdev() to scope-based-cleanup cxl/port: Arrange for always synchronous endpoint attach cxl/mem: Arrange for always-synchronous memdev attach cxl/mem: Fix devm_cxl_memdev_edac_release() confusion - A set to address CXL port error protocol handling and reporting. The large patch series was split into 3 parts. Part 1 and 2 are included here with part 3 coming later. Part 1 consists of a series of code refactoring to PCI AER sub-system that addresses CXL and also CXL RAS code to prepare for port error handling. Part 2 refactors the CXL code to move management of component registers to cxl_port objects to allow all CXL AER errors to be handled through the cxl_port hierarchy. Part 2: cxl/port: Move endpoint component register management to cxl_port cxl/port: Map Port RAS registers cxl/port: Move dport RAS setup to dport add time cxl/port: Move dport probe operations to a driver event cxl/port: Move decoder setup before dport creation cxl/port: Cleanup dport removal with a devres group cxl/port: Reduce number of @dport variables in cxl_port_add_dport() cxl/port: Cleanup handling of the nr_dports 0 -> 1 transition Part 1: cxl: Update RAS handler interfaces to also support CXL Ports cxl/mem: Clarify @host for devm_cxl_add_nvdimm() PCI/AER: Update struct aer_err_info with kernel-doc formatting PCI/AER: Report CXL or PCIe bus type in AER trace logging PCI/AER: Use guard() in cxl_rch_handle_error_iter() PCI/AER: Move CXL RCH error handling to aer_cxl_rch.c PCI/AER: Update is_internal_error() to be non-static is_aer_internal_error() PCI/AER: Export pci_aer_unmask_internal_errors() cxl/pci: Move CXL driver's RCH error handling into core/ras_rch.c PCI/AER: Replace PCIEAER_CXL symbol with CXL_RAS cxl/pci: Remove CXL VH handling in CONFIG_PCIEAER_CXL conditional blocks from core/pci.c PCI: Replace cxl_error_is_native() with pcie_aer_is_native() cxl/pci: Remove unnecessary CXL RCH handling helper functions cxl/pci: Remove unnecessary CXL Endpoint handling helper functions PCI: Introduce pcie_is_cxl() PCI: Update CXL DVSEC definitions PCI: Move CXL DVSEC definitions into uapi/linux/pci_regs.h - A set of patches to provide AMD Zen5 platform address translation for CXL using ACPI PRMT. Set includes a conventions document to explain why this is needed and how it's implemented. cxl: Disable HPA/SPA translation handlers for Normalized Addressing cxl/region: Factor out code into cxl_region_setup_poison() cxl/atl: Lock decoders that need address translation cxl: Enable AMD Zen5 address translation using ACPI PRMT cxl/acpi: Prepare use of EFI runtime services cxl: Introduce callback for HPA address ranges translation cxl/region: Use region data to get the root decoder cxl/region: Add @hpa_range argument to function cxl_calc_interleave_pos() cxl/region: Separate region parameter setup and region construction cxl: Simplify cxl_root_ops allocation and handling cxl/region: Store HPA range in struct cxl_region cxl/region: Store root decoder in struct cxl_region cxl/region: Rename misleading variable name @hpa to @hpa_range Documentation/driver-api/cxl: ACPI PRM Address Translation Support and AMD Zen5 enablement cxl, doc: Moving conventions in separate files cxl, doc: Remove isonum.txt inclusion - A set of misc CXL patches of fixes, cleanups, and updates. Including CXL address translation for unaligned MOD3 regions. cxl: Fix premature commit_end increment on decoder commit failure cxl/region: Use do_div() for 64-bit modulo operation cxl/region: Translate HPA to DPA and memdev in unaligned regions cxl/region: Translate DPA->HPA in unaligned MOD3 regions cxl/core: Fix cxl_dport debugfs EINJ entries cxl/acpi: Remove cxl_acpi_set_cache_size() cxl/hdm: Fix newline character in dev_err() messages cxl/pci: Remove outdated FIXME comment and BUILD_BUG_ON Documentation/driver-api/cxl: device hotplug section Documentation/driver-api/cxl: BIOS/EFI expectation update -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5DAy15EJMCV1R6v9YGjFFmlTOEoFAmmOFXcACgkQYGjFFmlT OEojaxAApQJFLyX1MkPbhtm6j6GRzzEAEWTBX2XsmliZf1JhfahsNMWI69kO33rm LddF+nyZNEl/foyHgUaxVzlQwqWuihyp7Qk2djXnMzLsuCAsWhPbB9j0RgJUN8h5 N4U76AmOdmhLlXH4CCqoW2jNy0OjxNdgp1FtTHv7VO7RxgRE9MFJRkLulKxB03wy t6lRZXPofEFcHen40DlYRtW26vy1BYUO0dng2f16DxWrb1ztdACH/zVqCJJtdoFc FAT5EaQCeRYZ9Yz4dONw3DcUjYlG6NcRN9FWNiptBn1Pb7pUX55Le8lfD3qZg0an m3lWRs1T/lGz7pWmz4GPUKDwGFCEqLqd4oSz5v+dFR3JJxjJpRzKa19y5TfqK/LF diqNZsDD9gCXE1HXzNr1YcbllpU2cPRPf58gWG9bLmG5xUUmScib8LoTMfgcCJW5 SlC6kf7BFLkJfDTcFaILc/UANeZaLGhrV0vyJntfGyT5EqKOcfjQEvrZvofA8mef bdxt0IRDW4D+7kkcuR33OipTVUFG3ban8yYq4zXD64dmeHF76gwdJm3nyXsqdtpc IYIIhz0W6pbTKjJ2fy1rZcTac1ZaALstyaF4bYWIjyF3NylPM8tDi48DFr+DGgeX xkFs2B9p5vY5Cq73gCmSWsi3PBPTjWzeRp7YZrV6VoBd9uqewUs= =blFQ -----END PGP SIGNATURE----- Merge tag 'cxl-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull CXL updates from Dave Jiang: - Introduce cxl_memdev_attach and pave way for soft reserved handling, type2 accelerator enabling, and LSA 2.0 enabling. All these series require the endpoint driver to settle before continuing the memdev driver probe. - Address CXL port error protocol handling and reporting. The large patch series was split into three parts. The first two parts are included here with the final part coming later. The first part consists of a series of code refactoring to PCI AER sub-system that addresses CXL and also CXL RAS code to prepare for port error handling. The second part refactors the CXL code to move management of component registers to cxl_port objects to allow all CXL AER errors to be handled through the cxl_port hierarchy. - Provide AMD Zen5 platform address translation for CXL using ACPI PRMT. This includes a conventions document to explain why this is needed and how it's implemented. - Misc CXL patches of fixes, cleanups, and updates. Including CXL address translation for unaligned MOD3 regions. [ TLA service: CXL is "Compute Express Link" ] * tag 'cxl-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (59 commits) cxl: Disable HPA/SPA translation handlers for Normalized Addressing cxl/region: Factor out code into cxl_region_setup_poison() cxl/atl: Lock decoders that need address translation cxl: Enable AMD Zen5 address translation using ACPI PRMT cxl/acpi: Prepare use of EFI runtime services cxl: Introduce callback for HPA address ranges translation cxl/region: Use region data to get the root decoder cxl/region: Add @hpa_range argument to function cxl_calc_interleave_pos() cxl/region: Separate region parameter setup and region construction cxl: Simplify cxl_root_ops allocation and handling cxl/region: Store HPA range in struct cxl_region cxl/region: Store root decoder in struct cxl_region cxl/region: Rename misleading variable name @hpa to @hpa_range Documentation/driver-api/cxl: ACPI PRM Address Translation Support and AMD Zen5 enablement cxl, doc: Moving conventions in separate files cxl, doc: Remove isonum.txt inclusion cxl/port: Unify endpoint and switch port lookup cxl/port: Move endpoint component register management to cxl_port cxl/port: Map Port RAS registers cxl/port: Move dport RAS setup to dport add time ... |
||
|
Linus Torvalds
|
cebcffe666 |
VFIO updates for v7.0-rc1
- Update outdated mdev comment referencing the renamed
mdev_type_add() function. (Julia Lawall)
- Introduce selftest support for IOMMU mapping of PCI MMIO BARs.
(Alex Mastro)
- Relax selftest assertion relative to differences in huge page
handling between legacy (v1) TYPE1 IOMMU mapping behavior and
the compatibility mode supported by IOMMUFD. (David Matlack)
- Reintroduce memory poison handling support for non-struct-page-
backed memory in the nvgrace-gpu variant driver. (Ankit Agrawal)
- Replace dma_buf_phys_vec with phys_vec to avoid duplicate
structure and semantics. (Leon Romanovsky)
- Add missing upstream bridge locking across PCI function reset,
resolving an assertion failure when secondary bus reset is used
to provide that reset. (Anthony Pighin)
- Fixes to hisi_acc vfio-pci variant driver to resolve corner case
issues related to resets, repeated migration, and error injection
scenarios. (Longfang Liu, Weili Qian)
- Restrict vfio selftest builds to arm64 and x86_64, resolving
compiler warnings on 32-bit archs. (Ted Logan)
- Un-deprecate the fsl-mc vfio bus driver as a new maintainer has
stepped up. (Ioana Ciornei)
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Merge tag 'vfio-v7.0-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
"A small cycle with the bulk in selftests and reintroducing poison
handling in the nvgrace-gpu driver. The rest are fixes, cleanups, and
some dmabuf structure consolidation.
- Update outdated mdev comment referencing the renamed
mdev_type_add() function (Julia Lawall)
- Introduce selftest support for IOMMU mapping of PCI MMIO BARs (Alex
Mastro)
- Relax selftest assertion relative to differences in huge page
handling between legacy (v1) TYPE1 IOMMU mapping behavior and the
compatibility mode supported by IOMMUFD (David Matlack)
- Reintroduce memory poison handling support for non-struct-page-
backed memory in the nvgrace-gpu variant driver (Ankit Agrawal)
- Replace dma_buf_phys_vec with phys_vec to avoid duplicate structure
and semantics (Leon Romanovsky)
- Add missing upstream bridge locking across PCI function reset,
resolving an assertion failure when secondary bus reset is used to
provide that reset (Anthony Pighin)
- Fixes to hisi_acc vfio-pci variant driver to resolve corner case
issues related to resets, repeated migration, and error injection
scenarios (Longfang Liu, Weili Qian)
- Restrict vfio selftest builds to arm64 and x86_64, resolving
compiler warnings on 32-bit archs (Ted Logan)
- Un-deprecate the fsl-mc vfio bus driver as a new maintainer has
stepped up (Ioana Ciornei)"
* tag 'vfio-v7.0-rc1' of https://github.com/awilliam/linux-vfio:
vfio/fsl-mc: add myself as maintainer
vfio: selftests: only build tests on arm64 and x86_64
hisi_acc_vfio_pci: fix the queue parameter anomaly issue
hisi_acc_vfio_pci: resolve duplicate migration states
hisi_acc_vfio_pci: update status after RAS error
hisi_acc_vfio_pci: fix VF reset timeout issue
vfio/pci: Lock upstream bridge for vfio_pci_core_disable()
types: reuse common phys_vec type instead of DMABUF open‑coded variant
vfio/nvgrace-gpu: register device memory for poison handling
mm: add stubs for PFNMAP memory failure registration functions
vfio: selftests: Drop IOMMU mapping size assertions for VFIO_TYPE1_IOMMU
vfio: selftests: Add vfio_dma_mapping_mmio_test
vfio: selftests: Align BAR mmaps for efficient IOMMU mapping
vfio: selftests: Centralize IOMMU mode name definitions
vfio/mdev: update outdated comment
|
||
|
Linus Torvalds
|
d4a379a52c |
SCSI misc on 20260212
Usual driver updates (qla2xxx, mpi3mr, mpt3sas, ufs) plus assorted cleanups and fixes. The biggest core change is the massive code motion in the sd driver to remove forward declarations and the most significant change is to enumify the queuecommand return. Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> -----BEGIN PGP SIGNATURE----- iLgEABMIAGAWIQTnYEDbdso9F2cI+arnQslM7pishQUCaY4ljBsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMSwyLDImHGphbWVzLmJvdHRvbWxleUBoYW5zZW5wYXJ0bmVy c2hpcC5jb20ACgkQ50LJTO6YrIWFlwEAr9nc1ntxH4UNPgFCVjKyAOa5IE+p5o5C 2lwQIufcihEBAORvI9KO6AoEK6v9TmMKZXoyVsDRFe79fQE5NwCjfAA3 =My8f -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "Usual driver updates (qla2xxx, mpi3mr, mpt3sas, ufs) plus assorted cleanups and fixes. The biggest core change is the massive code motion in the sd driver to remove forward declarations and the most significant change is to enumify the queuecommand return" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (78 commits) scsi: csiostor: Fix dereference of null pointer rn scsi: buslogic: Reduce stack usage scsi: ufs: host: mediatek: Require CONFIG_PM scsi: ufs: mediatek: Fix page faults in ufs_mtk_clk_scale() trace event scsi: smartpqi: Fix memory leak in pqi_report_phys_luns() scsi: mpi3mr: Make driver probing asynchronous scsi: ufs: core: Flush exception handling work when RPM level is zero scsi: efct: Use IRQF_ONESHOT and default primary handler scsi: ufs: core: Use a host-wide tagset in SDB mode scsi: qla2xxx: target: Add WQ_PERCPU to alloc_workqueue() users scsi: qla2xxx: Add WQ_PERCPU to alloc_workqueue() users scsi: qla4xxx: Add WQ_PERCPU to alloc_workqueue() users scsi: mpi3mr: Driver version update to 8.17.0.3.50 scsi: mpi3mr: Fixed the W=1 compilation warning scsi: mpi3mr: Record and report controller firmware faults scsi: mpi3mr: Update MPI Headers to revision 39 scsi: mpi3mr: Use negotiated link rate from DevicePage0 scsi: mpi3mr: Avoid redundant diag-fault resets scsi: mpi3mr: Rename log data save helper to reflect threaded/BH context scsi: mpi3mr: Add module parameter to control threaded IRQ polling ... |