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01158487af
linux/arch
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Huacai Chen 01158487af LoongArch: Introduce hardware page table walker 
Loongson-3A6000 and newer processors have hardware page table walker
(PTW) support. PTW can handle all fastpaths of TLBI/TLBL/TLBS/TLBM
exceptions by hardware, software only need to handle slowpaths (page
faults).

BTW, PTW doesn't append _PAGE_MODIFIED for page table entries, so we
change pmd_dirty() and pte_dirty() to also check _PAGE_DIRTY for the
"dirty" attribute.

Signed-off-by: Liang Gao <gaoliang@loongson.cn>
Signed-off-by: Jun Yi <yijun@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2023-06-29 20:58:44 +08:00
..
alpha Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
arc Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
arm ARM: 2023-06-22 17:54:10 -07:00
arm64 ARM: SoC fixes for 6.4, part 3 2023-06-23 16:21:59 -07:00
csky arch/csky patches for 6.4 2023-05-04 12:25:05 -07:00
hexagon Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
ia64 Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
loongarch LoongArch: Introduce hardware page table walker 2023-06-29 20:58:44 +08:00
m68k m68k: Move signal frame following exception on 68020/030 2023-05-22 13:51:20 +02:00
microblaze Kconfig: introduce HAS_IOPORT option and select it as necessary 2023-04-05 22:15:19 +02:00
mips mips: Move initrd_start check after initrd address sanitisation. 2023-05-23 11:01:38 +02:00
nios2 nios2: dts: Fix tse_mac "max-frame-size" property 2023-06-13 16:59:46 -05:00
openrisc Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
parisc parisc: Delete redundant register definitions in <asm/assembly.h> 2023-06-17 06:48:11 +02:00
powerpc powerpc fixes for 6.4 #5 2023-06-22 17:49:40 -07:00
riscv 19 hotfixes. 14 are cc:stable and the remainder address issues which were 2023-06-12 16:14:34 -07:00
s390 s390 updates for 6.4-rc6 2023-06-09 09:29:51 -07:00
sh Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
sparc Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
um um: harddog: fix modular build 2023-05-10 00:21:30 +02:00
x86 - Drop the __weak attribute from a function prototype as it otherwise 2023-06-25 10:13:17 -07:00
xtensa Xtensa fixes for v6.4: 2023-05-23 15:21:34 -07:00
.gitignore
Kconfig lazy tlb: shoot lazies, non-refcounting lazy tlb mm reference handling scheme 2023-03-28 16:20:08 -07:00