On Tue, Jul 23, 2013 at 05:41:03PM +0800, Jason Wang wrote: > Switch to use hypervisor_cpuid_base() to detect Xen. > > Cc: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: Konrad Rzeszutek Wilk <[email protected]> > Cc: Jeremy Fitzhardinge <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: "H. Peter Anvin" <[email protected]> > Cc: [email protected] > Cc: Paolo Bonzini <[email protected]> > Cc: [email protected] > Cc: [email protected] > Signed-off-by: Jason Wang <[email protected]> > --- > arch/x86/include/asm/xen/hypervisor.h | 16 +--------------- > 1 files changed, 1 insertions(+), 15 deletions(-) > > diff --git a/arch/x86/include/asm/xen/hypervisor.h > b/arch/x86/include/asm/xen/hypervisor.h > index 125f344..d866959 100644 > --- a/arch/x86/include/asm/xen/hypervisor.h > +++ b/arch/x86/include/asm/xen/hypervisor.h > @@ -40,21 +40,7 @@ extern struct start_info *xen_start_info; > > static inline uint32_t xen_cpuid_base(void) > { > - uint32_t base, eax, ebx, ecx, edx; > - char signature[13]; > - > - for (base = 0x40000000; base < 0x40010000; base += 0x100) { > - cpuid(base, &eax, &ebx, &ecx, &edx); > - *(uint32_t *)(signature + 0) = ebx; > - *(uint32_t *)(signature + 4) = ecx; > - *(uint32_t *)(signature + 8) = edx; > - signature[12] = 0; > - > - if (!strcmp("XenVMMXenVMM", signature) && ((eax - base) >= 2)) > - return base; > - } > - > - return 0; > + return hypervisor_cpuid_base("XenVMMXenVMM", 2); > } > > #ifdef CONFIG_XEN > -- > 1.7.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
