[PATCH v2 3/5] arm64: add AT_HWCAP2 support for 32-bit compat
Add support for the ELF auxv entry AT_HWCAP2 when running 32-bit ELF binaries in compat mode. Signed-off-by: Ard Biesheuvel --- arch/arm64/include/asm/hwcap.h | 3 ++- arch/arm64/kernel/setup.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h index 6cddbb0..9a4cbd6 100644 --- a/arch/arm64/include/asm/hwcap.h +++ b/arch/arm64/include/asm/hwcap.h @@ -41,7 +41,8 @@ #ifdef CONFIG_COMPAT #define COMPAT_ELF_HWCAP (compat_elf_hwcap) -extern unsigned int compat_elf_hwcap; +#define COMPAT_ELF_HWCAP2 (compat_elf_hwcap2) +extern unsigned int compat_elf_hwcap, compat_elf_hwcap2; #endif extern unsigned long elf_hwcap; diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index bb33fff..15f3bd2 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -69,6 +69,7 @@ EXPORT_SYMBOL_GPL(elf_hwcap); COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\ COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV) unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT; +unsigned int compat_elf_hwcap2 __read_mostly; #endif static const char *cpu_name; -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v2 3/5] arm64: add AT_HWCAP2 support for 32-bit compat
Add support for the ELF auxv entry AT_HWCAP2 when running 32-bit ELF binaries in compat mode. Signed-off-by: Ard Biesheuvel ard.biesheu...@linaro.org --- arch/arm64/include/asm/hwcap.h | 3 ++- arch/arm64/kernel/setup.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h index 6cddbb0..9a4cbd6 100644 --- a/arch/arm64/include/asm/hwcap.h +++ b/arch/arm64/include/asm/hwcap.h @@ -41,7 +41,8 @@ #ifdef CONFIG_COMPAT #define COMPAT_ELF_HWCAP (compat_elf_hwcap) -extern unsigned int compat_elf_hwcap; +#define COMPAT_ELF_HWCAP2 (compat_elf_hwcap2) +extern unsigned int compat_elf_hwcap, compat_elf_hwcap2; #endif extern unsigned long elf_hwcap; diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index bb33fff..15f3bd2 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -69,6 +69,7 @@ EXPORT_SYMBOL_GPL(elf_hwcap); COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\ COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV) unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT; +unsigned int compat_elf_hwcap2 __read_mostly; #endif static const char *cpu_name; -- 1.8.3.2 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
