diff options
| author | Feng Kan <fkan@apm.com> | 2013-07-23 21:52:31 +0400 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-07-26 16:37:29 +0400 |
| commit | 845ad05ec31e0f3872a321e10dbeaf872022632c (patch) | |
| tree | 7852dcec577b1c7e86fcbe0cd2d63f36cd32ef43 /arch | |
| parent | b0946fc84628b8d60e7a2034b48d1aff7da9d1df (diff) | |
| download | linux-845ad05ec31e0f3872a321e10dbeaf872022632c.tar.xz | |
arm64: Change kernel stack size to 16K
Written by Catalin Marinas, tested by APM on storm platform. This is needed
because of the failures encountered when running SpecWeb benchmark test.
Signed-off-by: Feng Kan <fkan@apm.com>
Acked-by: Kumar Sankaran <ksankaran@apm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/thread_info.h | 4 | ||||
| -rw-r--r-- | arch/arm64/kernel/entry.S | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h index 3659e460071d..23a3c4791d86 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -24,10 +24,10 @@ #include <linux/compiler.h> #ifndef CONFIG_ARM64_64K_PAGES -#define THREAD_SIZE_ORDER 1 +#define THREAD_SIZE_ORDER 2 #endif -#define THREAD_SIZE 8192 +#define THREAD_SIZE 16384 #define THREAD_START_SP (THREAD_SIZE - 16) #ifndef __ASSEMBLY__ diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 1d1314280a03..6ad781b21c08 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -121,7 +121,7 @@ .macro get_thread_info, rd mov \rd, sp - and \rd, \rd, #~((1 << 13) - 1) // top of 8K stack + and \rd, \rd, #~(THREAD_SIZE - 1) // top of stack .endm /* |