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arm64: Widen hwcap to be 64 bit

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Under arm64 elf_hwcap is a 32 bit quantity, but it is stored in
a 64 bit auxiliary ELF field and glibc reads hwcap as 64 bit.

This patch widens elf_hwcap to be 64 bit.

Signed-off-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Steve Capper 2013-09-18 16:14:28 +01:00 committed by Catalin Marinas
parent 6ca68e8026
commit 25804e6a96
2 changed files with 2 additions and 2 deletions
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2
arch/arm64/include/asm/hwcap.h
View File

@ -43,6 +43,6 @@
COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\
COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV)
extern unsigned int elf_hwcap;
extern unsigned long elf_hwcap;
#endif
#endif

2
arch/arm64/kernel/setup.c
View File

@ -57,7 +57,7 @@
unsigned int processor_id;
EXPORT_SYMBOL(processor_id);
unsigned int elf_hwcap __read_mostly;
unsigned long elf_hwcap __read_mostly;
EXPORT_SYMBOL_GPL(elf_hwcap);
static const char *cpu_name;