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]> --- 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 */ -- 1.6.3.3 _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
