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429124d992
linux/arch/mips
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Thomas Bogendoerfer 429124d992 MIPS: Handle address errors for accesses above CPU max virtual user address 
Address errors have always been treated as unaliged accesses and handled
as such. But address errors are also issued for illegal accesses like
user to kernel space or accesses outside of implemented spaces. This
change implements Linux exception handling for accesses to the illegal
space above the CPU implemented maximum virtual user address and the
MIPS 64bit architecture maximum. With this we can now use a fixed value
for the maximum task size on every MIPS CPU and get a more optimized
access_ok().

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 09:36:05 +01:00
..
alchemy mips: alchemy: remove historic comment on gpio build constraints 2021-12-16 15:48:32 +01:00
ar7 mips: ar7: convert to CONFIG_COMMON_CLK 2021-06-08 17:00:09 +02:00
ath25 mips: Bulk conversion to generic_handle_domain_irq() 2021-08-12 11:39:40 +01:00
ath79 MIPS: ath79: drop _machine_restart again 2022-01-11 16:16:52 +01:00
bcm47xx MIPS: BCM47XX: Add support for Netgear WN2500RP v1 & v2 2022-01-09 15:41:50 +01:00
bcm63xx linux-watchdog 5.17-rc1 tag 2022-01-17 08:07:57 +02:00
bmips MIPS: bmips: Remove obsolete DMA mapping support 2022-01-11 11:55:41 +01:00
boot Kbuild updates for v5.17 2022-01-19 11:15:19 +02:00
cavium-octeon MIPS: octeon: Fix missed PTR->PTR_WD conversion 2022-02-01 08:35:12 +01:00
cobalt MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
configs - added support for more BCM47XX based devices 2022-01-14 15:08:36 +01:00
crypto asm-generic: unaligned always use struct helpers 2021-05-10 17:50:47 +02:00
dec mips: dec: provide the correctly capitalized config CPU_R4X00 in init error message 2021-12-16 15:47:37 +01:00
fw MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
generic MIPS: new Kconfig option ZBOOT_LOAD_ADDRESS 2022-01-02 14:17:30 +01:00
include uaccess: add generic __{get,put}_kernel_nofault 2022-02-25 09:36:05 +01:00
ingenic MIPS: Kconfig: ingenic: Ensure MACH_INGENIC_GENERIC selects all SoCs 2021-06-01 11:44:47 +02:00
jazz MIPS/jazzdma: return error code from jazz_dma_map_sg() 2021-08-09 17:13:05 +02:00
kernel MIPS: Handle address errors for accesses above CPU max virtual user address 2022-02-25 09:36:05 +01:00
kvm ARM: 2022-02-05 09:55:59 -08:00
lantiq mips: lantiq: add support for clk_set_parent() 2022-01-02 14:14:41 +01:00
lib MIPS: Fix build error due to PTR used in more places 2022-01-27 09:04:19 +01:00
loongson2ef MIPS: Loongson2ef: Remove unnecessary {as,cc}-option calls 2021-12-09 10:27:14 +01:00
loongson32 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
loongson64 PCI/sysfs: Find shadow ROM before static attribute initialization 2022-01-26 10:41:21 -06:00
math-emu
mm Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
mti-malta - converted Pistachio platform to use MIPS generic kernel 2021-09-03 11:11:54 -07:00
n64 mips: Add N64 machine type 2021-01-22 11:40:00 +01:00
net Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-10 15:56:13 -08:00
pci - added support for more BCM47XX based devices 2022-01-14 15:08:36 +01:00
pic32 clkdev: remove CONFIG_CLKDEV_LOOKUP 2021-06-08 17:00:09 +02:00
power
ralink pci-v5.17-changes 2022-01-16 08:08:11 +02:00
rb532 arch: remove spurious blkdev.h includes 2021-10-18 06:17:01 -06:00
sgi-ip22 MIPS: SGI-IP22: Remove unnecessary check of GCC option 2021-12-14 10:02:40 +01:00
sgi-ip27 - Config updates for BMIPS platform 2021-11-13 09:11:33 -08:00
sgi-ip30 memblock: rename memblock_free to memblock_phys_free 2021-11-06 13:30:41 -07:00
sgi-ip32 MIPS: Allow modules to set board_be_handler 2021-11-09 16:07:26 +01:00
sibyte - Config updates for BMIPS platform 2021-11-13 09:11:33 -08:00
sni MIPS: sni: Fix the build 2021-10-18 18:09:54 +02:00
tools
txx9 MIPS: TXX9: Remove TX4939 SoC support 2022-01-02 14:12:03 +01:00
vdso MIPS: VDSO: remove -nostdlib compiler flag 2021-11-09 16:09:37 +01:00
vr41xx MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kbuild.platforms MIPS: fix duplicated slashes for Platform file path 2021-11-09 16:11:52 +01:00
Kconfig bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
Kconfig.debug tracing: Refactor TRACE_IRQFLAGS_SUPPORT in Kconfig 2021-08-16 11:37:21 -04:00
Makefile MIPS: Makefile: Remove "ifdef need-compiler" for Kbuild.platforms 2021-12-14 10:02:48 +01:00
Makefile.postlink