On Fri, Oct 21, 2016 at 11:33:08PM +0300, Yury Norov wrote:
> As we support more than one compat formats, it looks more reasonable
> to not use fs/compat_binfmt.c. Custom binfmt_elf32.c allows to move aarch32
> specific definitions there and make code more maintainable and readable.
Can you remind me why we need this patch (rather than using the default
fs/compat_binfmt_elf.c which you include here anyway)?
> --- /dev/null
> +++ b/arch/arm64/kernel/binfmt_elf32.c
> @@ -0,0 +1,31 @@
> +/*
> + * Support for AArch32 Linux ELF binaries.
> + */
> +
> +/* AArch32 EABI. */
> +#define EF_ARM_EABI_MASK 0xff000000
> +
> +#define compat_start_thread compat_start_thread
> +#define COMPAT_SET_PERSONALITY(ex) \
> +do { \
> + clear_thread_flag(TIF_32BIT_AARCH64); \
> + set_thread_flag(TIF_32BIT); \
> +} while (0)
You introduce this here but it seems to still be present in asm/elf.h.
--
Catalin
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