On 08/25/09 14:00, Jiri Slaby wrote:
> To avoid a wrong compiler warning, use unitialized_var(cx) in
> xen_init_cpuid_mask.
>
> cx needn't be initialized for cpuid when ax is 1.
>
> Signed-off-by: Jiri Slaby <[email protected]>
> Cc: Jeremy Fitzhardinge <[email protected]>
> Cc: Chris Wright <[email protected]>
>
Acked-by: Jeremy Fitzhardinge <[email protected]>
> ---
> arch/x86/xen/enlighten.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
> index e90540a..5ab75e2 100644
> --- a/arch/x86/xen/enlighten.c
> +++ b/arch/x86/xen/enlighten.c
> @@ -202,7 +202,7 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx,
>
> static __init void xen_init_cpuid_mask(void)
> {
> - unsigned int ax, bx, cx, dx;
> + unsigned int ax, bx, uninitialized_var(cx), dx;
>
> cpuid_leaf1_edx_mask =
> ~((1 << X86_FEATURE_MCE) | /* disable MCE */
>
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