[Devel] Re: [PATCH 6/9] Make AT_VECTOR_SIZE_ARCH 2 for x86-32

Oren Laadan orenl at cs.columbia.edu
Mon Feb 8 19:42:07 PST 2010


Are you going to send this to mainline ?

serue at us.ibm.com wrote:
> From: Serge E. Hallyn <serue at us.ibm.com>
> 
> Both x86-32 and x86-64 with 32-bit compat use ARCH_DLINFO_IA32,
> which defines two saved_auxv entries.  But system.h only defines
> AT_VECTOR_SIZE_ARCH as 2 for CONFIG_IA32_EMULATION, not for
> CONFIG_X86_32.  Fix that.
> 
> Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>
> ---
>  arch/x86/include/asm/system.h |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
> index ecb544e..e04740f 100644
> --- a/arch/x86/include/asm/system.h
> +++ b/arch/x86/include/asm/system.h
> @@ -11,9 +11,9 @@
>  #include <linux/irqflags.h>
>  
>  /* entries in ARCH_DLINFO: */
> -#ifdef CONFIG_IA32_EMULATION
> +#if defined(CONFIG_IA32_EMULATION) || !defined(CONFIG_X86_64)
>  # define AT_VECTOR_SIZE_ARCH 2
> -#else
> +#else /* else it's non-compat x86-64 */
>  # define AT_VECTOR_SIZE_ARCH 1
>  #endif
>  
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