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Commit 845ad05e authored by Feng Kan's avatar Feng Kan Committed by Catalin Marinas
Browse files

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: default avatarFeng Kan <fkan@apm.com>
Acked-by: default avatarKumar Sankaran <ksankaran@apm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent b0946fc8

arch/arm64/include/asm/thread_info.h

+2 −2
Original line number Diff line number Diff line
@@ -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__

arch/arm64/kernel/entry.S

+1 −1
Original line number Diff line number Diff line
@@ -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



/*