From mboxrd@z Thu Jan 1 00:00:00 1970 From: fkan@apm.com (Feng Kan) Date: Tue, 23 Jul 2013 10:52:31 -0700 Subject: [PATCH] arm64: Change kernel stack size to 16K. Message-ID: <1374601951-4091-1-git-send-email-fkan@apm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Acked-by: Kumar Sankaran --- arch/arm64/include/asm/thread_info.h | 4 ++-- 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 3659e46..23a3c47 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -24,10 +24,10 @@ #include #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 1d13142..6ad781b 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 /* -- 1.7.6.1