Le 08/08/2022 à 13:48, Sathvika Vasireddy a écrit :
> Since we need an alignment of 4 bytes, override
> __ALIGN() and __ALIGN_STR() accordingly.
Why/When do we now need an alignment of 4 bytes ? Please explain the
reason in the commit message.
>
> Signed-off-by: Sathvika Vasireddy <s...@linux.ibm.com>
> ---
> arch/powerpc/include/asm/linkage.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/powerpc/include/asm/linkage.h
> b/arch/powerpc/include/asm/linkage.h
> index b71b9582e754..8df88fe61438 100644
> --- a/arch/powerpc/include/asm/linkage.h
> +++ b/arch/powerpc/include/asm/linkage.h
> @@ -2,8 +2,12 @@
> #ifndef _ASM_POWERPC_LINKAGE_H
> #define _ASM_POWERPC_LINKAGE_H
>
> +#include <linux/stringify.h>
> #include <asm/types.h>
>
> +#define __ALIGN .align 2
> +#define __ALIGN_STR __stringify(__ALIGN)
Why do you need to use __stringify ?
ARM64 does:
#define __ALIGN .align 2
#define __ALIGN_STR ".align 2"
> +
> #ifdef CONFIG_PPC64_ELF_ABI_V1
> #define cond_syscall(x) \
> asm ("\t.weak " #x "\n\t.set " #x ", sys_ni_syscall\n" \
