* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> Impact: fix in compiling
>
> GCC can decide to use %dil when "r" is used, which is not valid for
> setnz.
>
> This bug was brought out by Stephen Rothwell's merging of the
> branch tracer into linux-next.
>
> Signed-off-by: Steven Rostedt <srostedt@xxxxxxxxxx>
>
> diff --git a/arch/x86/boot/tty.c b/arch/x86/boot/tty.c
> index 0be77b3..c2121d2 100644
> --- a/arch/x86/boot/tty.c
> +++ b/arch/x86/boot/tty.c
> @@ -74,7 +74,7 @@ static int kbd_pending(void)
> {
> u8 pending;
> asm volatile("int $0x16; setnz %0"
> - : "=rm" (pending)
> + : "=Qm" (pending)
> : "a" (0x0100));
> return pending;
> }
applied to tip/x86/urgent, thanks Steve!
Ingo
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