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Linux 5.5-rc4

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Merge tag 5.5-rc4 into android-mainline

Linux 5.5-rc4

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2dbcc2f9c30a3129aa7bc970c68c22157004e566
This commit is contained in:
Greg Kroah-Hartman 2019-12-30 14:52:24 +01:00
commit 0a94995d7a
62 changed files with 824 additions and 571 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Documentation/dev-tools/kunit/start.rst
View File

@ -24,19 +24,16 @@ The wrapper can be run with:
For more information on this wrapper (also called kunit_tool) checkout the
:doc:`kunit-tool` page.
Creating a kunitconfig
======================
Creating a .kunitconfig
=======================
The Python script is a thin wrapper around Kbuild. As such, it needs to be
configured with a ``kunitconfig`` file. This file essentially contains the
configured with a ``.kunitconfig`` file. This file essentially contains the
regular Kernel config, with the specific test targets as well.
.. code-block:: bash
git clone -b master https://kunit.googlesource.com/kunitconfig $PATH_TO_KUNITCONFIG_REPO
cd $PATH_TO_LINUX_REPO
ln -s $PATH_TO_KUNIT_CONFIG_REPO/kunitconfig kunitconfig
You may want to add kunitconfig to your local gitignore.
cp arch/um/configs/kunit_defconfig .kunitconfig
Verifying KUnit Works
---------------------
@ -151,7 +148,7 @@ and the following to ``drivers/misc/Makefile``:
obj-$(CONFIG_MISC_EXAMPLE_TEST) += example-test.o
Now add it to your ``kunitconfig``:
Now add it to your ``.kunitconfig``:
.. code-block:: none

1
MAINTAINERS
View File

@ -7034,6 +7034,7 @@ L: linux-acpi@vger.kernel.org
S: Maintained
F: Documentation/firmware-guide/acpi/gpio-properties.rst
F: drivers/gpio/gpiolib-acpi.c
F: drivers/gpio/gpiolib-acpi.h
GPIO IR Transmitter
M: Sean Young <sean@mess.org>

2
Makefile
View File

@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 5
SUBLEVEL = 0
EXTRAVERSION = -rc3
EXTRAVERSION = -rc4
NAME = Kleptomaniac Octopus
# *DOCUMENTATION*

1
arch/riscv/kernel/entry.S
View File

@ -246,6 +246,7 @@ check_syscall_nr:
*/
li t1, -1
beq a7, t1, ret_from_syscall_rejected
blt a7, t1, 1f
/* Call syscall */
la s0, sys_call_table
slli t0, a7, RISCV_LGPTR

3
arch/riscv/kernel/riscv_ksyms.c
View File

@ -9,8 +9,5 @@
/*
* Assembly functions that may be used (directly or indirectly) by modules
*/
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(__asm_copy_to_user);
EXPORT_SYMBOL(__asm_copy_from_user);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);

4
arch/riscv/lib/uaccess.S
View File

@ -1,4 +1,5 @@
#include <linux/linkage.h>
#include <asm-generic/export.h>
#include <asm/asm.h>
#include <asm/csr.h>
@ -66,6 +67,8 @@ ENTRY(__asm_copy_from_user)
j 3b
ENDPROC(__asm_copy_to_user)
ENDPROC(__asm_copy_from_user)
EXPORT_SYMBOL(__asm_copy_to_user)
EXPORT_SYMBOL(__asm_copy_from_user)
ENTRY(__clear_user)
@ -108,6 +111,7 @@ ENTRY(__clear_user)
bltu a0, a3, 5b
j 3b
ENDPROC(__clear_user)
EXPORT_SYMBOL(__clear_user)
.section .fixup,"ax"
.balign 4

1
arch/riscv/mm/cacheflush.c
View File

@ -22,6 +22,7 @@ void flush_icache_all(void)
else
on_each_cpu(ipi_remote_fence_i, NULL, 1);
}
EXPORT_SYMBOL(flush_icache_all);
/*
* Performs an icache flush for the given MM context. RISC-V has no direct

16
block/compat_ioctl.c
View File

@ -6,6 +6,7 @@
#include <linux/compat.h>
#include <linux/elevator.h>
#include <linux/hdreg.h>
#include <linux/pr.h>
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <linux/types.h>
@ -354,6 +355,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
* but we call blkdev_ioctl, which gets the lock for us
*/
case BLKRRPART:
case BLKREPORTZONE:
case BLKRESETZONE:
case BLKOPENZONE:
case BLKCLOSEZONE:
case BLKFINISHZONE:
case BLKGETZONESZ:
case BLKGETNRZONES:
return blkdev_ioctl(bdev, mode, cmd,
(unsigned long)compat_ptr(arg));
case BLKBSZSET_32:
@ -401,6 +409,14 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
case BLKTRACETEARDOWN: /* compatible */
ret = blk_trace_ioctl(bdev, cmd, compat_ptr(arg));
return ret;
case IOC_PR_REGISTER:
case IOC_PR_RESERVE:
case IOC_PR_RELEASE:
case IOC_PR_PREEMPT:
case IOC_PR_PREEMPT_ABORT:
case IOC_PR_CLEAR:
return blkdev_ioctl(bdev, mode, cmd,
(unsigned long)compat_ptr(arg));
default:
if (disk->fops->compat_ioctl)
ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg);

135
drivers/ata/ahci_brcm.c
View File

@ -76,8 +76,7 @@ enum brcm_ahci_version {
};
enum brcm_ahci_quirks {
BRCM_AHCI_QUIRK_NO_NCQ = BIT(0),
BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE = BIT(1),
BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE = BIT(0),
};
struct brcm_ahci_priv {
@ -213,19 +212,12 @@ static void brcm_sata_phys_disable(struct brcm_ahci_priv *priv)
brcm_sata_phy_disable(priv, i);
}
static u32 brcm_ahci_get_portmask(struct platform_device *pdev,
static u32 brcm_ahci_get_portmask(struct ahci_host_priv *hpriv,
struct brcm_ahci_priv *priv)
{
void __iomem *ahci;
struct resource *res;
u32 impl;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ahci");
ahci = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(ahci))
return 0;
impl = readl(ahci + HOST_PORTS_IMPL);
impl = readl(hpriv->mmio + HOST_PORTS_IMPL);
if (fls(impl) > SATA_TOP_MAX_PHYS)
dev_warn(priv->dev, "warning: more ports than PHYs (%#x)\n",
@ -233,9 +225,6 @@ static u32 brcm_ahci_get_portmask(struct platform_device *pdev,
else if (!impl)
dev_info(priv->dev, "no ports found\n");
devm_iounmap(&pdev->dev, ahci);
devm_release_mem_region(&pdev->dev, res->start, resource_size(res));
return impl;
}
@ -285,6 +274,13 @@ static unsigned int brcm_ahci_read_id(struct ata_device *dev,
/* Perform the SATA PHY reset sequence */
brcm_sata_phy_disable(priv, ap->port_no);
/* Reset the SATA clock */
ahci_platform_disable_clks(hpriv);
msleep(10);
ahci_platform_enable_clks(hpriv);
msleep(10);
/* Bring the PHY back on */
brcm_sata_phy_enable(priv, ap->port_no);
@ -347,11 +343,10 @@ static int brcm_ahci_suspend(struct device *dev)
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
ret = ahci_platform_suspend(dev);
brcm_sata_phys_disable(priv);
return ret;
return ahci_platform_suspend(dev);
}
static int brcm_ahci_resume(struct device *dev)
@ -359,11 +354,44 @@ static int brcm_ahci_resume(struct device *dev)
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
/* Make sure clocks are turned on before re-configuration */
ret = ahci_platform_enable_clks(hpriv);
if (ret)
return ret;
brcm_sata_init(priv);
brcm_sata_phys_enable(priv);
brcm_sata_alpm_init(hpriv);
return ahci_platform_resume(dev);
/* Since we had to enable clocks earlier on, we cannot use
* ahci_platform_resume() as-is since a second call to
* ahci_platform_enable_resources() would bump up the resources
* (regulators, clocks, PHYs) count artificially so we copy the part
* after ahci_platform_enable_resources().
*/
ret = ahci_platform_enable_phys(hpriv);
if (ret)
goto out_disable_phys;
ret = ahci_platform_resume_host(dev);
if (ret)
goto out_disable_platform_phys;
/* We resumed so update PM runtime state */
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
return 0;
out_disable_platform_phys:
ahci_platform_disable_phys(hpriv);
out_disable_phys:
brcm_sata_phys_disable(priv);
ahci_platform_disable_clks(hpriv);
return ret;
}
#endif
@ -410,44 +438,71 @@ static int brcm_ahci_probe(struct platform_device *pdev)
if (!IS_ERR_OR_NULL(priv->rcdev))
reset_control_deassert(priv->rcdev);
if ((priv->version == BRCM_SATA_BCM7425) ||
(priv->version == BRCM_SATA_NSP)) {
priv->quirks |= BRCM_AHCI_QUIRK_NO_NCQ;
priv->quirks |= BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE;
hpriv = ahci_platform_get_resources(pdev, 0);
if (IS_ERR(hpriv)) {
ret = PTR_ERR(hpriv);
goto out_reset;
}
hpriv->plat_data = priv;
hpriv->flags = AHCI_HFLAG_WAKE_BEFORE_STOP | AHCI_HFLAG_NO_WRITE_TO_RO;
switch (priv->version) {
case BRCM_SATA_BCM7425:
hpriv->flags |= AHCI_HFLAG_DELAY_ENGINE;
/* fall through */
case BRCM_SATA_NSP:
hpriv->flags |= AHCI_HFLAG_NO_NCQ;
priv->quirks |= BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE;
break;
default:
break;
}
ret = ahci_platform_enable_clks(hpriv);
if (ret)
goto out_reset;
/* Must be first so as to configure endianness including that
* of the standard AHCI register space.
*/
brcm_sata_init(priv);
priv->port_mask = brcm_ahci_get_portmask(pdev, priv);
if (!priv->port_mask)
return -ENODEV;
/* Initializes priv->port_mask which is used below */
priv->port_mask = brcm_ahci_get_portmask(hpriv, priv);
if (!priv->port_mask) {
ret = -ENODEV;
goto out_disable_clks;
}
/* Must be done before ahci_platform_enable_phys() */
brcm_sata_phys_enable(priv);
hpriv = ahci_platform_get_resources(pdev, 0);
if (IS_ERR(hpriv))
return PTR_ERR(hpriv);
hpriv->plat_data = priv;
hpriv->flags = AHCI_HFLAG_WAKE_BEFORE_STOP;
brcm_sata_alpm_init(hpriv);
ret = ahci_platform_enable_resources(hpriv);
ret = ahci_platform_enable_phys(hpriv);
if (ret)
return ret;
if (priv->quirks & BRCM_AHCI_QUIRK_NO_NCQ)
hpriv->flags |= AHCI_HFLAG_NO_NCQ;
hpriv->flags |= AHCI_HFLAG_NO_WRITE_TO_RO;
goto out_disable_phys;
ret = ahci_platform_init_host(pdev, hpriv, &ahci_brcm_port_info,
&ahci_platform_sht);
if (ret)
return ret;
goto out_disable_platform_phys;
dev_info(dev, "Broadcom AHCI SATA3 registered\n");
return 0;
out_disable_platform_phys:
ahci_platform_disable_phys(hpriv);
out_disable_phys:
brcm_sata_phys_disable(priv);
out_disable_clks:
ahci_platform_disable_clks(hpriv);
out_reset:
if (!IS_ERR_OR_NULL(priv->rcdev))
reset_control_assert(priv->rcdev);
return ret;
}
static int brcm_ahci_remove(struct platform_device *pdev)
@ -457,12 +512,12 @@ static int brcm_ahci_remove(struct platform_device *pdev)
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
brcm_sata_phys_disable(priv);
ret = ata_platform_remove_one(pdev);
if (ret)
return ret;
brcm_sata_phys_disable(priv);
return 0;
}

6
drivers/ata/libahci_platform.c
View File

@ -43,7 +43,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_ops);
* RETURNS:
* 0 on success otherwise a negative error code
*/
static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
{
int rc, i;
@ -74,6 +74,7 @@ static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
}
return rc;
}
EXPORT_SYMBOL_GPL(ahci_platform_enable_phys);
/**
* ahci_platform_disable_phys - Disable PHYs
@ -81,7 +82,7 @@ static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
*
* This function disables all PHYs found in hpriv->phys.
*/
static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
{
int i;
@ -90,6 +91,7 @@ static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
phy_exit(hpriv->phys[i]);
}
}
EXPORT_SYMBOL_GPL(ahci_platform_disable_phys);
/**
* ahci_platform_enable_clks - Enable platform clocks

24
drivers/ata/libata-core.c
View File

@ -5328,6 +5328,30 @@ void ata_qc_complete(struct ata_queued_cmd *qc)
}
}
/**
* ata_qc_get_active - get bitmask of active qcs
* @ap: port in question
*
* LOCKING:
* spin_lock_irqsave(host lock)
*
* RETURNS:
* Bitmask of active qcs
*/
u64 ata_qc_get_active(struct ata_port *ap)
{
u64 qc_active = ap->qc_active;
/* ATA_TAG_INTERNAL is sent to hw as tag 0 */
if (qc_active & (1ULL << ATA_TAG_INTERNAL)) {
qc_active |= (1 << 0);
qc_active &= ~(1ULL << ATA_TAG_INTERNAL);
}
return qc_active;
}
EXPORT_SYMBOL_GPL(ata_qc_get_active);
/**
* ata_qc_complete_multiple - Complete multiple qcs successfully
* @ap: port in question

2
drivers/ata/sata_fsl.c
View File

@ -1280,7 +1280,7 @@ static void sata_fsl_host_intr(struct ata_port *ap)
i, ioread32(hcr_base + CC),
ioread32(hcr_base + CA));
}
ata_qc_complete_multiple(ap, ap->qc_active ^ done_mask);
ata_qc_complete_multiple(ap, ata_qc_get_active(ap) ^ done_mask);
return;
} else if ((ap->qc_active & (1ULL << ATA_TAG_INTERNAL))) {

2
drivers/ata/sata_mv.c
View File

@ -2829,7 +2829,7 @@ static void mv_process_crpb_entries(struct ata_port *ap, struct mv_port_priv *pp
}
if (work_done) {
ata_qc_complete_multiple(ap, ap->qc_active ^ done_mask);
ata_qc_complete_multiple(ap, ata_qc_get_active(ap) ^ done_mask);
/* Update the software queue position index in hardware */
writelfl((pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK) |

2
drivers/ata/sata_nv.c
View File

@ -984,7 +984,7 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
check_commands = 0;
check_commands &= ~(1 << pos);
}
ata_qc_complete_multiple(ap, ap->qc_active ^ done_mask);
ata_qc_complete_multiple(ap, ata_qc_get_active(ap) ^ done_mask);
}
}

2
drivers/block/pktcdvd.c
View File

@ -2707,7 +2707,7 @@ static const struct block_device_operations pktcdvd_ops = {
.release = pkt_close,
.ioctl = pkt_ioctl,
#ifdef CONFIG_COMPAT
.ioctl = pkt_compat_ioctl,
.compat_ioctl = pkt_compat_ioctl,
#endif
.check_events = pkt_check_events,
};

5
drivers/devfreq/Kconfig
View File

@ -83,7 +83,6 @@ config ARM_EXYNOS_BUS_DEVFREQ
select DEVFREQ_GOV_PASSIVE
select DEVFREQ_EVENT_EXYNOS_PPMU
select PM_DEVFREQ_EVENT
select PM_OPP
help
This adds the common DEVFREQ driver for Exynos Memory bus. Exynos
Memory bus has one more group of memory bus (e.g, MIF and INT block).
@ -98,7 +97,7 @@ config ARM_TEGRA_DEVFREQ
ARCH_TEGRA_132_SOC || ARCH_TEGRA_124_SOC || \
ARCH_TEGRA_210_SOC || \
COMPILE_TEST
select PM_OPP
depends on COMMON_CLK
help
This adds the DEVFREQ driver for the Tegra family of SoCs.
It reads ACTMON counters of memory controllers and adjusts the
@ -109,7 +108,6 @@ config ARM_TEGRA20_DEVFREQ
depends on (TEGRA_MC && TEGRA20_EMC) || COMPILE_TEST
depends on COMMON_CLK
select DEVFREQ_GOV_SIMPLE_ONDEMAND
select PM_OPP
help
This adds the DEVFREQ driver for the Tegra20 family of SoCs.
It reads Memory Controller counters and adjusts the operating
@ -121,7 +119,6 @@ config ARM_RK3399_DMC_DEVFREQ
select DEVFREQ_EVENT_ROCKCHIP_DFI
select DEVFREQ_GOV_SIMPLE_ONDEMAND
select PM_DEVFREQ_EVENT
select PM_OPP
help
This adds the DEVFREQ driver for the RK3399 DMC(Dynamic Memory Controller).
It sets the frequency for the memory controller and reads the usage counts

4
drivers/gpio/Kconfig
View File

@ -553,8 +553,8 @@ config GPIO_TEGRA
config GPIO_TEGRA186
tristate "NVIDIA Tegra186 GPIO support"
default ARCH_TEGRA_186_SOC
depends on ARCH_TEGRA_186_SOC || COMPILE_TEST
default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC
depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST
depends on OF_GPIO
select GPIOLIB_IRQCHIP
select IRQ_DOMAIN_HIERARCHY

2
drivers/gpio/gpio-aspeed-sgpio.c
View File

@ -107,7 +107,7 @@ static void __iomem *bank_reg(struct aspeed_sgpio *gpio,
return gpio->base + bank->irq_regs + GPIO_IRQ_STATUS;
default:
/* acturally if code runs to here, it's an error case */
BUG_ON(1);
BUG();
}
}

7
drivers/gpio/gpio-mockup.c
View File

@ -226,7 +226,7 @@ static int gpio_mockup_get_direction(struct gpio_chip *gc, unsigned int offset)
int direction;
mutex_lock(&chip->lock);
direction = !chip->lines[offset].dir;
direction = chip->lines[offset].dir;
mutex_unlock(&chip->lock);
return direction;
@ -395,7 +395,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
struct gpio_chip *gc;
struct device *dev;
const char *name;
int rv, base;
int rv, base, i;
u16 ngpio;
dev = &pdev->dev;
@ -447,6 +447,9 @@ static int gpio_mockup_probe(struct platform_device *pdev)
if (!chip->lines)
return -ENOMEM;
for (i = 0; i < gc->ngpio; i++)
chip->lines[i].dir = GPIO_LINE_DIRECTION_IN;
if (device_property_read_bool(dev, "named-gpio-lines")) {
rv = gpio_mockup_name_lines(dev, chip);
if (rv)

1
drivers/gpio/gpio-mpc8xxx.c
View File

@ -346,6 +346,7 @@ static int mpc8xxx_probe(struct platform_device *pdev)
return -ENOMEM;
gc = &mpc8xxx_gc->gc;
gc->parent = &pdev->dev;
if (of_property_read_bool(np, "little-endian")) {
ret = bgpio_init(gc, &pdev->dev, 4,

26
drivers/gpio/gpio-pca953x.c
View File

@ -568,16 +568,18 @@ static void pca953x_irq_mask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct pca953x_chip *chip = gpiochip_get_data(gc);
irq_hw_number_t hwirq = irqd_to_hwirq(d);
chip->irq_mask[d->hwirq / BANK_SZ] &= ~BIT(d->hwirq % BANK_SZ);
clear_bit(hwirq, chip->irq_mask);
}
static void pca953x_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct pca953x_chip *chip = gpiochip_get_data(gc);
irq_hw_number_t hwirq = irqd_to_hwirq(d);
chip->irq_mask[d->hwirq / BANK_SZ] |= BIT(d->hwirq % BANK_SZ);
set_bit(hwirq, chip->irq_mask);
}
static int pca953x_irq_set_wake(struct irq_data *d, unsigned int on)
@ -635,8 +637,7 @@ static int pca953x_irq_set_type(struct irq_data *d, unsigned int type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct pca953x_chip *chip = gpiochip_get_data(gc);
int bank_nb = d->hwirq / BANK_SZ;
u8 mask = BIT(d->hwirq % BANK_SZ);
irq_hw_number_t hwirq = irqd_to_hwirq(d);
if (!(type & IRQ_TYPE_EDGE_BOTH)) {
dev_err(&chip->client->dev, "irq %d: unsupported type %d\n",
@ -644,15 +645,8 @@ static int pca953x_irq_set_type(struct irq_data *d, unsigned int type)
return -EINVAL;
}
if (type & IRQ_TYPE_EDGE_FALLING)
chip->irq_trig_fall[bank_nb] |= mask;
else
chip->irq_trig_fall[bank_nb] &= ~mask;
if (type & IRQ_TYPE_EDGE_RISING)
chip->irq_trig_raise[bank_nb] |= mask;
else
chip->irq_trig_raise[bank_nb] &= ~mask;
assign_bit(hwirq, chip->irq_trig_fall, type & IRQ_TYPE_EDGE_FALLING);
assign_bit(hwirq, chip->irq_trig_raise, type & IRQ_TYPE_EDGE_RISING);
return 0;
}
@ -661,10 +655,10 @@ static void pca953x_irq_shutdown(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct pca953x_chip *chip = gpiochip_get_data(gc);
u8 mask = BIT(d->hwirq % BANK_SZ);
irq_hw_number_t hwirq = irqd_to_hwirq(d);
chip->irq_trig_raise[d->hwirq / BANK_SZ] &= ~mask;
chip->irq_trig_fall[d->hwirq / BANK_SZ] &= ~mask;
clear_bit(hwirq, chip->irq_trig_raise);
clear_bit(hwirq, chip->irq_trig_fall);
}
static bool pca953x_irq_pending(struct pca953x_chip *chip, unsigned long *pending)

2
drivers/gpio/gpio-xgs-iproc.c
View File

@ -280,7 +280,7 @@ static int iproc_gpio_probe(struct platform_device *pdev)
return 0;
}
static int __exit iproc_gpio_remove(struct platform_device *pdev)
static int iproc_gpio_remove(struct platform_device *pdev)
{
struct iproc_gpio_chip *chip;

7
drivers/gpio/gpio-xtensa.c
View File

@ -44,15 +44,14 @@ static inline unsigned long enable_cp(unsigned long *cpenable)
unsigned long flags;
local_irq_save(flags);
RSR_CPENABLE(*cpenable);
WSR_CPENABLE(*cpenable | BIT(XCHAL_CP_ID_XTIOP));
*cpenable = xtensa_get_sr(cpenable);
xtensa_set_sr(*cpenable | BIT(XCHAL_CP_ID_XTIOP), cpenable);
return flags;
}
static inline void disable_cp(unsigned long flags, unsigned long cpenable)
{
WSR_CPENABLE(cpenable);
xtensa_set_sr(cpenable, cpenable);
local_irq_restore(flags);
}

13
drivers/gpio/gpiolib.c
View File

@ -220,6 +220,14 @@ int gpiod_get_direction(struct gpio_desc *desc)
chip = gpiod_to_chip(desc);
offset = gpio_chip_hwgpio(desc);
/*
* Open drain emulation using input mode may incorrectly report
* input here, fix that up.
*/
if (test_bit(FLAG_OPEN_DRAIN, &desc->flags) &&
test_bit(FLAG_IS_OUT, &desc->flags))
return 0;
if (!chip->get_direction)
return -ENOTSUPP;
@ -4472,8 +4480,9 @@ static struct gpio_desc *gpiod_find(struct device *dev, const char *con_id,
if (chip->ngpio <= p->chip_hwnum) {
dev_err(dev,
"requested GPIO %d is out of range [0..%d] for chip %s\n",
idx, chip->ngpio, chip->label);
"requested GPIO %u (%u) is out of range [0..%u] for chip %s\n",
idx, p->chip_hwnum, chip->ngpio - 1,
chip->label);
return ERR_PTR(-EINVAL);
}

2
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -15112,7 +15112,7 @@ intel_prepare_plane_fb(struct drm_plane *plane,
return ret;
fb_obj_bump_render_priority(obj);
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_DIRTYFB);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_DIRTYFB);
if (!new_plane_state->base.fence) { /* implicit fencing */
struct dma_fence *fence;

16
drivers/gpu/drm/i915/display/intel_frontbuffer.c
View File

@ -229,11 +229,11 @@ static void frontbuffer_release(struct kref *ref)
vma->display_alignment = I915_GTT_MIN_ALIGNMENT;
spin_unlock(&obj->vma.lock);
obj->frontbuffer = NULL;
RCU_INIT_POINTER(obj->frontbuffer, NULL);
spin_unlock(&to_i915(obj->base.dev)->fb_tracking.lock);
i915_gem_object_put(obj);
kfree(front);
kfree_rcu(front, rcu);
}
struct intel_frontbuffer *
@ -242,11 +242,7 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj)
struct drm_i915_private *i915 = to_i915(obj->base.dev);
struct intel_frontbuffer *front;
spin_lock(&i915->fb_tracking.lock);
front = obj->frontbuffer;
if (front)
kref_get(&front->ref);
spin_unlock(&i915->fb_tracking.lock);
front = __intel_frontbuffer_get(obj);
if (front)
return front;
@ -262,13 +258,13 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj)
i915_active_may_sleep(frontbuffer_retire));
spin_lock(&i915->fb_tracking.lock);
if (obj->frontbuffer) {
if (rcu_access_pointer(obj->frontbuffer)) {
kfree(front);
front = obj->frontbuffer;
front = rcu_dereference_protected(obj->frontbuffer, true);
kref_get(&front->ref);
} else {
i915_gem_object_get(obj);
obj->frontbuffer = front;
rcu_assign_pointer(obj->frontbuffer, front);
}
spin_unlock(&i915->fb_tracking.lock);

34
drivers/gpu/drm/i915/display/intel_frontbuffer.h
View File

@ -27,10 +27,10 @@
#include <linux/atomic.h>
#include <linux/kref.h>
#include "gem/i915_gem_object_types.h"
#include "i915_active.h"
struct drm_i915_private;
struct drm_i915_gem_object;
enum fb_op_origin {
ORIGIN_GTT,
@ -45,6 +45,7 @@ struct intel_frontbuffer {
atomic_t bits;
struct i915_active write;
struct drm_i915_gem_object *obj;
struct rcu_head rcu;
};
void intel_frontbuffer_flip_prepare(struct drm_i915_private *i915,
@ -54,6 +55,35 @@ void intel_frontbuffer_flip_complete(struct drm_i915_private *i915,
void intel_frontbuffer_flip(struct drm_i915_private *i915,
unsigned frontbuffer_bits);
void intel_frontbuffer_put(struct intel_frontbuffer *front);
static inline struct intel_frontbuffer *
__intel_frontbuffer_get(const struct drm_i915_gem_object *obj)
{
struct intel_frontbuffer *front;
if (likely(!rcu_access_pointer(obj->frontbuffer)))
return NULL;
rcu_read_lock();
do {
front = rcu_dereference(obj->frontbuffer);
if (!front)
break;
if (unlikely(!kref_get_unless_zero(&front->ref)))
continue;
if (likely(front == rcu_access_pointer(obj->frontbuffer)))
break;
intel_frontbuffer_put(front);
} while (1);
rcu_read_unlock();
return front;
}
struct intel_frontbuffer *
intel_frontbuffer_get(struct drm_i915_gem_object *obj);
@ -119,6 +149,4 @@ void intel_frontbuffer_track(struct intel_frontbuffer *old,
struct intel_frontbuffer *new,
unsigned int frontbuffer_bits);
void intel_frontbuffer_put(struct intel_frontbuffer *front);
#endif /* __INTEL_FRONTBUFFER_H__ */

17
drivers/gpu/drm/i915/display/intel_overlay.c
View File

@ -279,12 +279,21 @@ static void intel_overlay_flip_prepare(struct intel_overlay *overlay,
struct i915_vma *vma)
{
enum pipe pipe = overlay->crtc->pipe;
struct intel_frontbuffer *from = NULL, *to = NULL;
WARN_ON(overlay->old_vma);
intel_frontbuffer_track(overlay->vma ? overlay->vma->obj->frontbuffer : NULL,
vma ? vma->obj->frontbuffer : NULL,
INTEL_FRONTBUFFER_OVERLAY(pipe));
if (overlay->vma)
from = intel_frontbuffer_get(overlay->vma->obj);
if (vma)
to = intel_frontbuffer_get(vma->obj);
intel_frontbuffer_track(from, to, INTEL_FRONTBUFFER_OVERLAY(pipe));
if (to)
intel_frontbuffer_put(to);
if (from)
intel_frontbuffer_put(from);
intel_frontbuffer_flip_prepare(overlay->i915,
INTEL_FRONTBUFFER_OVERLAY(pipe));
@ -766,7 +775,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
ret = PTR_ERR(vma);
goto out_pin_section;
}
intel_frontbuffer_flush(new_bo->frontbuffer, ORIGIN_DIRTYFB);
i915_gem_object_flush_frontbuffer(new_bo, ORIGIN_DIRTYFB);
if (!overlay->active) {
u32 oconfig;

3
drivers/gpu/drm/i915/gem/i915_gem_clflush.c
View File

@ -20,7 +20,8 @@ static void __do_clflush(struct drm_i915_gem_object *obj)
{
GEM_BUG_ON(!i915_gem_object_has_pages(obj));
drm_clflush_sg(obj->mm.pages);
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
}
static int clflush_work(struct dma_fence_work *base)

4
drivers/gpu/drm/i915/gem/i915_gem_domain.c
View File

@ -664,7 +664,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
i915_gem_object_unlock(obj);
if (write_domain)
intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
out_unpin:
i915_gem_object_unpin_pages(obj);
@ -784,7 +784,7 @@ int i915_gem_object_prepare_write(struct drm_i915_gem_object *obj,
}
out:
intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
obj->mm.dirty = true;
/* return with the pages pinned */
return 0;

26
drivers/gpu/drm/i915/gem/i915_gem_object.c
View File

@ -280,7 +280,7 @@ i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj,
for_each_ggtt_vma(vma, obj)
intel_gt_flush_ggtt_writes(vma->vm->gt);
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
for_each_ggtt_vma(vma, obj) {
if (vma->iomap)
@ -308,6 +308,30 @@ i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj,
obj->write_domain = 0;
}
void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
struct intel_frontbuffer *front;
front = __intel_frontbuffer_get(obj);
if (front) {
intel_frontbuffer_flush(front, origin);
intel_frontbuffer_put(front);
}
}
void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
struct intel_frontbuffer *front;
front = __intel_frontbuffer_get(obj);
if (front) {
intel_frontbuffer_invalidate(front, origin);
intel_frontbuffer_put(front);
}
}
void i915_gem_init__objects(struct drm_i915_private *i915)
{
INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);

23
drivers/gpu/drm/i915/gem/i915_gem_object.h
View File

@ -13,8 +13,8 @@
#include <drm/i915_drm.h>
#include "display/intel_frontbuffer.h"
#include "i915_gem_object_types.h"
#include "i915_gem_gtt.h"
void i915_gem_init__objects(struct drm_i915_private *i915);
@ -463,4 +463,25 @@ int i915_gem_object_wait_priority(struct drm_i915_gem_object *obj,
unsigned int flags,
const struct i915_sched_attr *attr);
void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin);
void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin);
static inline void
i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
if (unlikely(rcu_access_pointer(obj->frontbuffer)))
__i915_gem_object_flush_frontbuffer(obj, origin);
}
static inline void
i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
if (unlikely(rcu_access_pointer(obj->frontbuffer)))
__i915_gem_object_invalidate_frontbuffer(obj, origin);
}
#endif

2
drivers/gpu/drm/i915/gem/i915_gem_object_types.h
View File

@ -150,7 +150,7 @@ struct drm_i915_gem_object {
*/
u16 write_domain;
struct intel_frontbuffer *frontbuffer;
struct intel_frontbuffer __rcu *frontbuffer;
/** Current tiling stride for the object, if it's tiled. */
unsigned int tiling_and_stride;

3
drivers/gpu/drm/i915/gt/intel_gt_pm.c
View File

@ -94,8 +94,9 @@ static int __gt_park(struct intel_wakeref *wf)
intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL);
}
/* Defer dropping the display power well for 100ms, it's slow! */
GEM_BUG_ON(!wakeref);
intel_display_power_put(i915, POWER_DOMAIN_GT_IRQ, wakeref);
intel_display_power_put_async(i915, POWER_DOMAIN_GT_IRQ, wakeref);
i915_globals_park();

10
drivers/gpu/drm/i915/i915_gem.c
View File

@ -161,7 +161,7 @@ i915_gem_phys_pwrite(struct drm_i915_gem_object *obj,
* We manually control the domain here and pretend that it
* remains coherent i.e. in the GTT domain, like shmem_pwrite.
*/
intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
if (copy_from_user(vaddr, user_data, args->size))
return -EFAULT;
@ -169,7 +169,7 @@ i915_gem_phys_pwrite(struct drm_i915_gem_object *obj,
drm_clflush_virt_range(vaddr, args->size);
intel_gt_chipset_flush(&to_i915(obj->base.dev)->gt);
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
return 0;
}
@ -589,7 +589,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
goto out_unpin;
}
intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
user_data = u64_to_user_ptr(args->data_ptr);
offset = args->offset;
@ -631,7 +631,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
user_data += page_length;
offset += page_length;
}
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
i915_gem_object_unlock_fence(obj, fence);
out_unpin:
@ -721,7 +721,7 @@ i915_gem_shmem_pwrite(struct drm_i915_gem_object *obj,
offset = 0;
}
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
i915_gem_object_unlock_fence(obj, fence);
return ret;

73
drivers/gpu/drm/i915/i915_pmu.c
View File

@ -144,61 +144,40 @@ static inline s64 ktime_since(const ktime_t kt)
return ktime_to_ns(ktime_sub(ktime_get(), kt));
}
static u64 __pmu_estimate_rc6(struct i915_pmu *pmu)
{
u64 val;
/*
* We think we are runtime suspended.
*
* Report the delta from when the device was suspended to now,
* on top of the last known real value, as the approximated RC6
* counter value.
*/
val = ktime_since(pmu->sleep_last);
val += pmu->sample[__I915_SAMPLE_RC6].cur;
pmu->sample[__I915_SAMPLE_RC6_ESTIMATED].cur = val;
return val;
}
static u64 __pmu_update_rc6(struct i915_pmu *pmu, u64 val)
{
/*
* If we are coming back from being runtime suspended we must
* be careful not to report a larger value than returned
* previously.
*/
if (val >= pmu->sample[__I915_SAMPLE_RC6_ESTIMATED].cur) {
pmu->sample[__I915_SAMPLE_RC6_ESTIMATED].cur = 0;
pmu->sample[__I915_SAMPLE_RC6].cur = val;
} else {
val = pmu->sample[__I915_SAMPLE_RC6_ESTIMATED].cur;
}
return val;
}
static u64 get_rc6(struct intel_gt *gt)
{
struct drm_i915_private *i915 = gt->i915;
struct i915_pmu *pmu = &i915->pmu;
unsigned long flags;
bool awake = false;
u64 val;
val = 0;
if (intel_gt_pm_get_if_awake(gt)) {
val = __get_rc6(gt);
intel_gt_pm_put_async(gt);
awake = true;
}
spin_lock_irqsave(&pmu->lock, flags);
if (val)
val = __pmu_update_rc6(pmu, val);
if (awake) {
pmu->sample[__I915_SAMPLE_RC6].cur = val;
} else {
/*
* We think we are runtime suspended.
*
* Report the delta from when the device was suspended to now,
* on top of the last known real value, as the approximated RC6
* counter value.
*/
val = ktime_since(pmu->sleep_last);
val += pmu->sample[__I915_SAMPLE_RC6].cur;
}
if (val < pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur)
val = pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur;
else
val = __pmu_estimate_rc6(pmu);
pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur = val;
spin_unlock_irqrestore(&pmu->lock, flags);
@ -210,20 +189,11 @@ static void park_rc6(struct drm_i915_private *i915)
struct i915_pmu *pmu = &i915->pmu;
if (pmu->enable & config_enabled_mask(I915_PMU_RC6_RESIDENCY))
__pmu_update_rc6(pmu, __get_rc6(&i915->gt));
pmu->sample[__I915_SAMPLE_RC6].cur = __get_rc6(&i915->gt);
pmu->sleep_last = ktime_get();
}
static void unpark_rc6(struct drm_i915_private *i915)
{
struct i915_pmu *pmu = &i915->pmu;
/* Estimate how long we slept and accumulate that into rc6 counters */
if (pmu->enable & config_enabled_mask(I915_PMU_RC6_RESIDENCY))
__pmu_estimate_rc6(pmu);
}
#else
static u64 get_rc6(struct intel_gt *gt)
@ -232,7 +202,6 @@ static u64 get_rc6(struct intel_gt *gt)
}
static void park_rc6(struct drm_i915_private *i915) {}
static void unpark_rc6(struct drm_i915_private *i915) {}
#endif
@ -281,8 +250,6 @@ void i915_pmu_gt_unparked(struct drm_i915_private *i915)
*/
__i915_pmu_maybe_start_timer(pmu);
unpark_rc6(i915);
spin_unlock_irq(&pmu->lock);
}

2
drivers/gpu/drm/i915/i915_pmu.h
View File

@ -18,7 +18,7 @@ enum {
__I915_SAMPLE_FREQ_ACT = 0,
__I915_SAMPLE_FREQ_REQ,
__I915_SAMPLE_RC6,
__I915_SAMPLE_RC6_ESTIMATED,
__I915_SAMPLE_RC6_LAST_REPORTED,
__I915_NUM_PMU_SAMPLERS
};

10
drivers/gpu/drm/i915/i915_vma.c
View File

@ -1104,8 +1104,14 @@ int i915_vma_move_to_active(struct i915_vma *vma,
return err;
if (flags & EXEC_OBJECT_WRITE) {
if (intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CS))
i915_active_add_request(&obj->frontbuffer->write, rq);
struct intel_frontbuffer *front;
front = __intel_frontbuffer_get(obj);
if (unlikely(front)) {
if (intel_frontbuffer_invalidate(front, ORIGIN_CS))
i915_active_add_request(&front->write, rq);
intel_frontbuffer_put(front);
}
dma_resv_add_excl_fence(vma->resv, &rq->fence);
obj->write_domain = I915_GEM_DOMAIN_RENDER;

3
drivers/scsi/cxgbi/libcxgbi.c
View File

@ -121,7 +121,8 @@ static inline void cxgbi_device_destroy(struct cxgbi_device *cdev)
"cdev 0x%p, p# %u.\n", cdev, cdev->nports);
cxgbi_hbas_remove(cdev);
cxgbi_device_portmap_cleanup(cdev);
cxgbi_ppm_release(cdev->cdev2ppm(cdev));
if (cdev->cdev2ppm)
cxgbi_ppm_release(cdev->cdev2ppm(cdev));
if (cdev->pmap.max_connect)
cxgbi_free_big_mem(cdev->pmap.port_csk);
kfree(cdev);

3
drivers/scsi/lpfc/lpfc_debugfs.c
View File

@ -5385,7 +5385,6 @@ static const struct file_operations lpfc_debugfs_ras_log = {
.read = lpfc_debugfs_read,
.release = lpfc_debugfs_ras_log_release,
};
#endif
#undef lpfc_debugfs_op_dumpHBASlim
static const struct file_operations lpfc_debugfs_op_dumpHBASlim = {
@ -5557,7 +5556,7 @@ static const struct file_operations lpfc_idiag_op_extAcc = {
.write = lpfc_idiag_extacc_write,
.release = lpfc_idiag_cmd_release,
};
#endif
/* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command
* @phba: Pointer to HBA context object.

2
drivers/scsi/lpfc/lpfc_init.c
View File

@ -5883,7 +5883,7 @@ void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
break;
default:
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"1804 Invalid asynchrous event code: "
"1804 Invalid asynchronous event code: "
"x%x\n", bf_get(lpfc_trailer_code,
&cq_event->cqe.mcqe_cmpl));
break;

10
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -8555,7 +8555,7 @@ lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba)
psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK;
spin_unlock_irq(&phba->hbalock);
/* wake up worker thread to post asynchronlous mailbox command */
/* wake up worker thread to post asynchronous mailbox command */
lpfc_worker_wake_up(phba);
}
@ -8823,7 +8823,7 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
return rc;
}
/* Now, interrupt mode asynchrous mailbox command */
/* Now, interrupt mode asynchronous mailbox command */
rc = lpfc_mbox_cmd_check(phba, mboxq);
if (rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
@ -13112,11 +13112,11 @@ lpfc_cq_event_setup(struct lpfc_hba *phba, void *entry, int size)
}
/**
* lpfc_sli4_sp_handle_async_event - Handle an asynchroous event
* lpfc_sli4_sp_handle_async_event - Handle an asynchronous event
* @phba: Pointer to HBA context object.
* @cqe: Pointer to mailbox completion queue entry.
*
* This routine process a mailbox completion queue entry with asynchrous
* This routine process a mailbox completion queue entry with asynchronous
* event.
*
* Return: true if work posted to worker thread, otherwise false.
@ -13270,7 +13270,7 @@ lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe)
* @cqe: Pointer to mailbox completion queue entry.
*
* This routine process a mailbox completion queue entry, it invokes the
* proper mailbox complete handling or asynchrous event handling routine
* proper mailbox complete handling or asynchronous event handling routine
* according to the MCQE's async bit.
*
* Return: true if work posted to worker thread, otherwise false.

1
drivers/scsi/mpt3sas/mpt3sas_base.c
View File

@ -5248,7 +5248,6 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
&ct->chain_buffer_dma);
if (!ct->chain_buffer) {
ioc_err(ioc, "chain_lookup: pci_pool_alloc failed\n");
_base_release_memory_pools(ioc);
goto out;
}
}

4
drivers/target/target_core_iblock.c
View File

@ -646,7 +646,9 @@ iblock_alloc_bip(struct se_cmd *cmd, struct bio *bio,
}
bip->bip_iter.bi_size = bio_integrity_bytes(bi, bio_sectors(bio));
bip_set_seed(bip, bio->bi_iter.bi_sector);
/* virtual start sector must be in integrity interval units */
bip_set_seed(bip, bio->bi_iter.bi_sector >>
(bi->interval_exp - SECTOR_SHIFT));
pr_debug("IBLOCK BIP Size: %u Sector: %llu\n", bip->bip_iter.bi_size,
(unsigned long long)bip->bip_iter.bi_sector);

1
fs/cifs/cifsglob.h
View File

@ -1693,6 +1693,7 @@ struct cifs_fattr {
struct timespec64 cf_atime;
struct timespec64 cf_mtime;
struct timespec64 cf_ctime;
u32 cf_cifstag;
};
static inline void free_dfs_info_param(struct dfs_info3_param *param)

63
fs/cifs/readdir.c
View File

@ -139,6 +139,28 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
dput(dentry);
}
static bool reparse_file_needs_reval(const struct cifs_fattr *fattr)
{
if (!(fattr->cf_cifsattrs & ATTR_REPARSE))
return false;
/*
* The DFS tags should be only intepreted by server side as per
* MS-FSCC 2.1.2.1, but let's include them anyway.
*
* Besides, if cf_cifstag is unset (0), then we still need it to be
* revalidated to know exactly what reparse point it is.
*/
switch (fattr->cf_cifstag) {
case IO_REPARSE_TAG_DFS:
case IO_REPARSE_TAG_DFSR:
case IO_REPARSE_TAG_SYMLINK:
case IO_REPARSE_TAG_NFS:
case 0:
return true;
}
return false;
}
static void
cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb)
{
@ -158,7 +180,7 @@ cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb)
* is a symbolic link, DFS referral or a reparse point with a direct
* access like junctions, deduplicated files, NFS symlinks.
*/
if (fattr->cf_cifsattrs & ATTR_REPARSE)
if (reparse_file_needs_reval(fattr))
fattr->cf_flags |= CIFS_FATTR_NEED_REVAL;
/* non-unix readdir doesn't provide nlink */
@ -194,19 +216,37 @@ cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb)
}
}
static void __dir_info_to_fattr(struct cifs_fattr *fattr, const void *info)
{
const FILE_DIRECTORY_INFO *fi = info;
memset(fattr, 0, sizeof(*fattr));
fattr->cf_cifsattrs = le32_to_cpu(fi->ExtFileAttributes);
fattr->cf_eof = le64_to_cpu(fi->EndOfFile);
fattr->cf_bytes = le64_to_cpu(fi->AllocationSize);
fattr->cf_createtime = le64_to_cpu(fi->CreationTime);
fattr->cf_atime = cifs_NTtimeToUnix(fi->LastAccessTime);
fattr->cf_ctime = cifs_NTtimeToUnix(fi->ChangeTime);
fattr->cf_mtime = cifs_NTtimeToUnix(fi->LastWriteTime);
}
void
cifs_dir_info_to_fattr(struct cifs_fattr *fattr, FILE_DIRECTORY_INFO *info,
struct cifs_sb_info *cifs_sb)
{
memset(fattr, 0, sizeof(*fattr));
fattr->cf_cifsattrs = le32_to_cpu(info->ExtFileAttributes);
fattr->cf_eof = le64_to_cpu(info->EndOfFile);
fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
fattr->cf_createtime = le64_to_cpu(info->CreationTime);
fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime);
fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime);
__dir_info_to_fattr(fattr, info);
cifs_fill_common_info(fattr, cifs_sb);
}
static void cifs_fulldir_info_to_fattr(struct cifs_fattr *fattr,
SEARCH_ID_FULL_DIR_INFO *info,
struct cifs_sb_info *cifs_sb)
{
__dir_info_to_fattr(fattr, info);
/* See MS-FSCC 2.4.18 FileIdFullDirectoryInformation */
if (fattr->cf_cifsattrs & ATTR_REPARSE)
fattr->cf_cifstag = le32_to_cpu(info->EaSize);
cifs_fill_common_info(fattr, cifs_sb);
}
@ -755,6 +795,11 @@ static int cifs_filldir(char *find_entry, struct file *file,
(FIND_FILE_STANDARD_INFO *)find_entry,
cifs_sb);
break;
case SMB_FIND_FILE_ID_FULL_DIR_INFO:
cifs_fulldir_info_to_fattr(&fattr,
(SEARCH_ID_FULL_DIR_INFO *)find_entry,
cifs_sb);
break;
default:
cifs_dir_info_to_fattr(&fattr,
(FILE_DIRECTORY_INFO *)find_entry,

2
fs/cifs/smb2file.c
View File

@ -67,7 +67,7 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
goto out;
if (oparms->tcon->use_resilient) {
if (oparms->tcon->use_resilient) {
/* default timeout is 0, servers pick default (120 seconds) */
nr_ioctl_req.Timeout =
cpu_to_le32(oparms->tcon->handle_timeout);

10
fs/io-wq.c
View File

@ -92,7 +92,6 @@ struct io_wqe {
struct io_wqe_acct acct[2];
struct hlist_nulls_head free_list;
struct hlist_nulls_head busy_list;
struct list_head all_list;
struct io_wq *wq;
@ -327,7 +326,6 @@ static void __io_worker_busy(struct io_wqe *wqe, struct io_worker *worker,
if (worker->flags & IO_WORKER_F_FREE) {
worker->flags &= ~IO_WORKER_F_FREE;
hlist_nulls_del_init_rcu(&worker->nulls_node);
hlist_nulls_add_head_rcu(&worker->nulls_node, &wqe->busy_list);
}
/*
@ -365,7 +363,6 @@ static bool __io_worker_idle(struct io_wqe *wqe, struct io_worker *worker)
{
if (!(worker->flags & IO_WORKER_F_FREE)) {
worker->flags |= IO_WORKER_F_FREE;
hlist_nulls_del_init_rcu(&worker->nulls_node);
hlist_nulls_add_head_rcu(&worker->nulls_node, &wqe->free_list);
}
@ -432,6 +429,8 @@ static void io_worker_handle_work(struct io_worker *worker)
if (signal_pending(current))
flush_signals(current);
cond_resched();
spin_lock_irq(&worker->lock);
worker->cur_work = work;
spin_unlock_irq(&worker->lock);
@ -798,10 +797,6 @@ void io_wq_cancel_all(struct io_wq *wq)
set_bit(IO_WQ_BIT_CANCEL, &wq->state);
/*
* Browse both lists, as there's a gap between handing work off
* to a worker and the worker putting itself on the busy_list
*/
rcu_read_lock();
for_each_node(node) {
struct io_wqe *wqe = wq->wqes[node];
@ -1049,7 +1044,6 @@ struct io_wq *io_wq_create(unsigned bounded, struct io_wq_data *data)
spin_lock_init(&wqe->lock);
INIT_WQ_LIST(&wqe->work_list);
INIT_HLIST_NULLS_HEAD(&wqe->free_list, 0);
INIT_HLIST_NULLS_HEAD(&wqe->busy_list, 1);
INIT_LIST_HEAD(&wqe->all_list);
}

690
fs/io_uring.c
View File

File diff suppressed because it is too large Load Diff

2
fs/locks.c
View File

@ -2853,7 +2853,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl,
}
if (inode) {
/* userspace relies on this representation of dev_t */
seq_printf(f, "%d %02x:%02x:%ld ", fl_pid,
seq_printf(f, "%d %02x:%02x:%lu ", fl_pid,
MAJOR(inode->i_sb->s_dev),
MINOR(inode->i_sb->s_dev), inode->i_ino);
} else {

2
include/linux/ahci_platform.h
View File

@ -19,6 +19,8 @@ struct ahci_host_priv;
struct platform_device;
struct scsi_host_template;
int ahci_platform_enable_phys(struct ahci_host_priv *hpriv);
void ahci_platform_disable_phys(struct ahci_host_priv *hpriv);
int ahci_platform_enable_clks(struct ahci_host_priv *hpriv);
void ahci_platform_disable_clks(struct ahci_host_priv *hpriv);
int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv);

1
include/linux/libata.h
View File

@ -1175,6 +1175,7 @@ extern unsigned int ata_do_dev_read_id(struct ata_device *dev,
struct ata_taskfile *tf, u16 *id);
extern void ata_qc_complete(struct ata_queued_cmd *qc);
extern int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active);
extern u64 ata_qc_get_active(struct ata_port *ap);
extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd);
extern int ata_std_bios_param(struct scsi_device *sdev,
struct block_device *bdev,

18
tools/testing/kunit/kunit.py
View File

@ -31,15 +31,12 @@ class KunitStatus(Enum):
TEST_FAILURE = auto()
def create_default_kunitconfig():
if not os.path.exists(kunit_kernel.KUNITCONFIG_PATH):
if not os.path.exists(kunit_kernel.kunitconfig_path):
shutil.copyfile('arch/um/configs/kunit_defconfig',
kunit_kernel.KUNITCONFIG_PATH)
kunit_kernel.kunitconfig_path)
def run_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitRequest) -> KunitResult:
if request.defconfig:
create_default_kunitconfig()
config_start = time.time()
success = linux.build_reconfig(request.build_dir)
config_end = time.time()
@ -108,15 +105,22 @@ def main(argv, linux=None):
run_parser.add_argument('--build_dir',
help='As in the make command, it specifies the build '
'directory.',
type=str, default=None, metavar='build_dir')
type=str, default='', metavar='build_dir')
run_parser.add_argument('--defconfig',
help='Uses a default kunitconfig.',
help='Uses a default .kunitconfig.',
action='store_true')
cli_args = parser.parse_args(argv)
if cli_args.subcommand == 'run':
if cli_args.build_dir:
if not os.path.exists(cli_args.build_dir):
os.mkdir(cli_args.build_dir)
kunit_kernel.kunitconfig_path = os.path.join(
cli_args.build_dir,
kunit_kernel.kunitconfig_path)
if cli_args.defconfig:
create_default_kunitconfig()

10
tools/testing/kunit/kunit_kernel.py
View File

@ -14,7 +14,7 @@ import os
import kunit_config
KCONFIG_PATH = '.config'
KUNITCONFIG_PATH = 'kunitconfig'
kunitconfig_path = '.kunitconfig'
class ConfigError(Exception):
"""Represents an error trying to configure the Linux kernel."""
@ -82,7 +82,7 @@ class LinuxSourceTree(object):
def __init__(self):
self._kconfig = kunit_config.Kconfig()
self._kconfig.read_from_file(KUNITCONFIG_PATH)
self._kconfig.read_from_file(kunitconfig_path)
self._ops = LinuxSourceTreeOperations()
def clean(self):
@ -111,7 +111,7 @@ class LinuxSourceTree(object):
return True
def build_reconfig(self, build_dir):
"""Creates a new .config if it is not a subset of the kunitconfig."""
"""Creates a new .config if it is not a subset of the .kunitconfig."""
kconfig_path = get_kconfig_path(build_dir)
if os.path.exists(kconfig_path):
existing_kconfig = kunit_config.Kconfig()
@ -140,10 +140,10 @@ class LinuxSourceTree(object):
return False
return True
def run_kernel(self, args=[], timeout=None, build_dir=None):
def run_kernel(self, args=[], timeout=None, build_dir=''):
args.extend(['mem=256M'])
process = self._ops.linux_bin(args, timeout, build_dir)
with open('test.log', 'w') as f:
with open(os.path.join(build_dir, 'test.log'), 'w') as f:
for line in process.stdout:
f.write(line.rstrip().decode('ascii') + '\n')
yield line.rstrip().decode('ascii')

10
tools/testing/kunit/kunit_tool_test.py
View File

@ -174,6 +174,7 @@ class KUnitMainTest(unittest.TestCase):
kunit.main(['run'], self.linux_source_mock)
assert self.linux_source_mock.build_reconfig.call_count == 1
assert self.linux_source_mock.run_kernel.call_count == 1
self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='', timeout=300)
self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_run_passes_args_fail(self):
@ -199,7 +200,14 @@ class KUnitMainTest(unittest.TestCase):
timeout = 3453
kunit.main(['run', '--timeout', str(timeout)], self.linux_source_mock)
assert self.linux_source_mock.build_reconfig.call_count == 1
self.linux_source_mock.run_kernel.assert_called_once_with(build_dir=None, timeout=timeout)
self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='', timeout=timeout)
self.print_mock.assert_any_call(StrContains('Testing complete.'))
def test_run_builddir(self):
build_dir = '.kunit'
kunit.main(['run', '--build_dir', build_dir], self.linux_source_mock)
assert self.linux_source_mock.build_reconfig.call_count == 1
self.linux_source_mock.run_kernel.assert_called_once_with(build_dir=build_dir, timeout=300)
self.print_mock.assert_any_call(StrContains('Testing complete.'))
if __name__ == '__main__':

2
tools/testing/selftests/filesystems/epoll/Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
CFLAGS += -I../../../../../usr/include/
LDFLAGS += -lpthread
LDLIBS += -lpthread
TEST_GEN_PROGS := epoll_wakeup_test
include ../../lib.mk

6
tools/testing/selftests/firmware/fw_lib.sh
View File

@ -34,6 +34,12 @@ test_modprobe()
check_mods()
{
local uid=$(id -u)
if [ $uid -ne 0 ]; then
echo "skip all tests: must be run as root" >&2
exit $ksft_skip
fi
trap "test_modprobe" EXIT
if [ ! -d $DIR ]; then
modprobe test_firmware

15
tools/testing/selftests/livepatch/functions.sh
View File

@ -7,6 +7,9 @@
MAX_RETRIES=600
RETRY_INTERVAL=".1" # seconds
# Kselftest framework requirement - SKIP code is 4
ksft_skip=4
# log(msg) - write message to kernel log
# msg - insightful words
function log() {
@ -18,7 +21,16 @@ function log() {
function skip() {
log "SKIP: $1"
echo "SKIP: $1" >&2
exit 4
exit $ksft_skip
}
# root test
function is_root() {
uid=$(id -u)
if [ $uid -ne 0 ]; then
echo "skip all tests: must be run as root" >&2
exit $ksft_skip
fi
}
# die(msg) - game over, man
@ -62,6 +74,7 @@ function set_ftrace_enabled() {
# for verbose livepatching output and turn on
# the ftrace_enabled sysctl.
function setup_config() {
is_root
push_config
set_dynamic_debug
set_ftrace_enabled 1

3
tools/testing/selftests/livepatch/test-state.sh
View File

@ -8,8 +8,7 @@ MOD_LIVEPATCH=test_klp_state
MOD_LIVEPATCH2=test_klp_state2
MOD_LIVEPATCH3=test_klp_state3
set_dynamic_debug
setup_config
# TEST: Loading and removing a module that modifies the system state

18
tools/testing/selftests/rseq/param_test.c
View File

@ -15,7 +15,7 @@
#include <errno.h>
#include <stddef.h>
static inline pid_t gettid(void)
static inline pid_t rseq_gettid(void)
{
return syscall(__NR_gettid);
}
@ -373,11 +373,12 @@ void *test_percpu_spinlock_thread(void *arg)
rseq_percpu_unlock(&data->lock, cpu);
#ifndef BENCHMARK
if (i != 0 && !(i % (reps / 10)))
printf_verbose("tid %d: count %lld\n", (int) gettid(), i);
printf_verbose("tid %d: count %lld\n",
(int) rseq_gettid(), i);
#endif
}
printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
(int) gettid(), nr_abort, signals_delivered);
(int) rseq_gettid(), nr_abort, signals_delivered);
if (!opt_disable_rseq && thread_data->reg &&
rseq_unregister_current_thread())
abort();
@ -454,11 +455,12 @@ void *test_percpu_inc_thread(void *arg)
} while (rseq_unlikely(ret));
#ifndef BENCHMARK
if (i != 0 && !(i % (reps / 10)))
printf_verbose("tid %d: count %lld\n", (int) gettid(), i);
printf_verbose("tid %d: count %lld\n",
(int) rseq_gettid(), i);
#endif
}
printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
(int) gettid(), nr_abort, signals_delivered);
(int) rseq_gettid(), nr_abort, signals_delivered);
if (!opt_disable_rseq && thread_data->reg &&
rseq_unregister_current_thread())
abort();
@ -605,7 +607,7 @@ void *test_percpu_list_thread(void *arg)
}
printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
(int) gettid(), nr_abort, signals_delivered);
(int) rseq_gettid(), nr_abort, signals_delivered);
if (!opt_disable_rseq && rseq_unregister_current_thread())
abort();
@ -796,7 +798,7 @@ void *test_percpu_buffer_thread(void *arg)
}
printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
(int) gettid(), nr_abort, signals_delivered);
(int) rseq_gettid(), nr_abort, signals_delivered);
if (!opt_disable_rseq && rseq_unregister_current_thread())
abort();
@ -1011,7 +1013,7 @@ void *test_percpu_memcpy_buffer_thread(void *arg)
}
printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
(int) gettid(), nr_abort, signals_delivered);
(int) rseq_gettid(), nr_abort, signals_delivered);
if (!opt_disable_rseq && rseq_unregister_current_thread())
abort();

12
tools/testing/selftests/rseq/rseq.h
View File

@ -149,11 +149,13 @@ static inline void rseq_clear_rseq_cs(void)
/*
* rseq_prepare_unload() should be invoked by each thread executing a rseq
* critical section at least once between their last critical section and
* library unload of the library defining the rseq critical section
* (struct rseq_cs). This also applies to use of rseq in code generated by
* JIT: rseq_prepare_unload() should be invoked at least once by each
* thread executing a rseq critical section before reclaim of the memory
* holding the struct rseq_cs.
* library unload of the library defining the rseq critical section (struct
* rseq_cs) or the code referred to by the struct rseq_cs start_ip and
* post_commit_offset fields. This also applies to use of rseq in code
* generated by JIT: rseq_prepare_unload() should be invoked at least once by
* each thread executing a rseq critical section before reclaim of the memory
* holding the struct rseq_cs or reclaim of the code pointed to by struct
* rseq_cs start_ip and post_commit_offset fields.
*/
static inline void rseq_prepare_unload(void)
{

1
tools/testing/selftests/rseq/settings Normal file
View File

@ -0,0 +1 @@
timeout=0