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stack: add hwcap auxval

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Fix the AUXV_LEN to account for hwcap and remove the ifdefs

Change-Id: I303fc2c5fa4c8cea7ec9823f8580b8a66de2f58f
Fujitsu: POSTK_DEBUG_ARCH_DEP_65
This commit is contained in:
Dominique Martinet
2019-01-30 13:37:03 +09:00
parent 206df33658
commit f299fff266
6 changed files with 5 additions and 17 deletions
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2
arch/arm64/kernel/cpu.c
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@ -31,9 +31,7 @@
#include <sysreg.h>
#include <cpufeature.h>
#include <debug.h>
#ifdef POSTK_DEBUG_ARCH_DEP_65
#include <hwcap.h>
#endif /* POSTK_DEBUG_ARCH_DEP_65 */
//#define DEBUG_PRINT_CPU

4
arch/arm64/kernel/cpufeature.c
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@ -10,9 +10,7 @@
#include <ptrace.h>
#include <hwcap.h>
#ifdef POSTK_DEBUG_ARCH_DEP_65
unsigned long elf_hwcap;
#endif /* POSTK_DEBUG_ARCH_DEP_65 */
/* @ref.impl arch/arm64/kernel/cpufeature.c */
#define __ARM64_FTR_BITS(SIGNED, VISIBLE, STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \
@ -997,9 +995,7 @@ void setup_cpu_features(void)
setup_elf_hwcaps(arm64_elf_hwcaps);
}
#ifdef POSTK_DEBUG_ARCH_DEP_65
unsigned long arch_get_hwcap(void)
{
return elf_hwcap;
}
#endif /* POSTK_DEBUG_ARCH_DEP_65 */

2
arch/arm64/kernel/include/hwcap.h
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@ -1,5 +1,4 @@
/* hwcap.h COPYRIGHT FUJITSU LIMITED 2017 */
#ifdef POSTK_DEBUG_ARCH_DEP_65
#ifndef _UAPI__ASM_HWCAP_H
#define _UAPI__ASM_HWCAP_H
@ -25,4 +24,3 @@ unsigned long arch_get_hwcap(void);
extern unsigned long elf_hwcap;
#endif /* _UAPI__ASM_HWCAP_H */
#endif /* POSTK_DEBUG_ARCH_DEP_65 */