Commit 7adb4df4 authored Aug 25, 2009 by H. Peter Anvin

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>

parent d560bc61

arch/x86/xen/enlighten.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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 */