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| author | Palmer Dabbelt <palmer@rivosinc.com> | 2023-06-22 20:38:39 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-06-23 20:06:21 +0300 |
| commit | b5e13f3ace78a8159dbad92bb005090a431e36d7 (patch) | |
| tree | ecf5360b87b4aef89194904804670c12b5e5f56b /arch/riscv/include/asm/thread_info.h | |
| parent | 42b89447b65863904eaf802ee05b55a238eac538 (diff) | |
| parent | a7555f6b62e7f5b3a3b783cc6d4c4dafcb8527c8 (diff) | |
| download | linux-b5e13f3ace78a8159dbad92bb005090a431e36d7.tar.xz | |
Merge patch series "riscv: Add independent irq/softirq stacks support"
guoren@kernel.org <guoren@kernel.org> says:
From: Guo Ren <guoren@linux.alibaba.com>
This patch series adds independent irq/softirq stacks to decrease the
press of the thread stack. Also, add a thread STACK_SIZE config for
users to adjust the proper size during compile time.
* b4-shazam-merge:
riscv: stack: Add config of thread stack size
riscv: stack: Support HAVE_SOFTIRQ_ON_OWN_STACK
riscv: stack: Support HAVE_IRQ_EXIT_ON_IRQ_STACK
Link: https://lore.kernel.org/r/20230614013018.2168426-1-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include/asm/thread_info.h')
| -rw-r--r-- | arch/riscv/include/asm/thread_info.h | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/riscv/include/asm/thread_info.h b/arch/riscv/include/asm/thread_info.h index 97e6f65ec176..1833beb00489 100644 --- a/arch/riscv/include/asm/thread_info.h +++ b/arch/riscv/include/asm/thread_info.h @@ -11,18 +11,8 @@ #include <asm/page.h> #include <linux/const.h> -#ifdef CONFIG_KASAN -#define KASAN_STACK_ORDER 1 -#else -#define KASAN_STACK_ORDER 0 -#endif - /* thread information allocation */ -#ifdef CONFIG_64BIT -#define THREAD_SIZE_ORDER (2 + KASAN_STACK_ORDER) -#else -#define THREAD_SIZE_ORDER (1 + KASAN_STACK_ORDER) -#endif +#define THREAD_SIZE_ORDER CONFIG_THREAD_SIZE_ORDER #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) /* @@ -40,6 +30,8 @@ #define OVERFLOW_STACK_SIZE SZ_4K #define SHADOW_OVERFLOW_STACK_SIZE (1024) +#define IRQ_STACK_SIZE THREAD_SIZE + #ifndef __ASSEMBLY__ extern long shadow_stack[SHADOW_OVERFLOW_STACK_SIZE / sizeof(long)]; |