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arm64: Change kernel stack size to 16K

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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>
This commit is contained in:
Feng Kan 2013-07-23 18:52:31 +01:00 committed by Catalin Marinas
parent b0946fc846
commit 845ad05ec3
2 changed files with 3 additions and 3 deletions
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4
arch/arm64/include/asm/thread_info.h
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@ -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__

2
arch/arm64/kernel/entry.S
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@ -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
/*