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| author | H. Peter Anvin <hpa@zytor.com> | 2009-08-26 06:06:03 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-08-26 06:10:32 +0200 |
| commit | 7adb4df410966dfe43e4815256e3215110648fb8 (patch) | |
| tree | 60862ffa783ce6bbde23b5ad556b162d0bfa2eb6 /arch | |
| parent | x86, xen: Suppress WP test on Xen (diff) | |
| download | linux-7adb4df410966dfe43e4815256e3215110648fb8.tar.xz linux-7adb4df410966dfe43e4815256e3215110648fb8.zip | |
x86, xen: Initialize cx to suppress warning
Initialize cx before calling xen_cpuid(), in order to suppress the
"may be used uninitialized in this function" warning.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 0b755cd7686d..eb33aaa8415d 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -215,6 +215,7 @@ static __init void xen_init_cpuid_mask(void) (1 << X86_FEATURE_ACPI)); /* disable ACPI */ ax = 1; + cx = 0; xen_cpuid(&ax, &bx, &cx, &dx); /* cpuid claims we support xsave; try enabling it to see what happens */ |