On Wed, Apr 22, 2020 at 02:04:28PM +0900, Nobuhiro Iwamatsu wrote:
> From: Samuel Neves <sneves@xxxxxxxxx>
>
> commit e78e5a91456fcecaa2efbb3706572fe043766f4d upstream.
>
> In the __getcpu function, lsl is using the wrong target and destination
> registers. Luckily, the compiler tends to choose %eax for both variables,
> so it has been working so far.
>
> Fixes: a582c540ac1b ("x86/vdso: Use RDPID in preference to LSL when available")
> Signed-off-by: Samuel Neves <sneves@xxxxxxxxx>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Acked-by: Andy Lutomirski <luto@xxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Link: https://lkml.kernel.org/r/20180901201452.27828-1-sneves@xxxxxxxxx
> Signed-off-by: Nobuhiro Iwamatsu (CIP) <nobuhiro1.iwamatsu@xxxxxxxxxxxxx>
> ---
> arch/x86/include/asm/vgtod.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Good catch, now queued up, thanks.
greg k-h
