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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-16 11:57:53 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-16 11:57:53 +0100
commita47b66da0380dd1ebcf2fbfa5fc41c4b6af8a460 (patch)
tree3e1e18183f2041d534a1a763af95df1ec460e044 /arch/x86/include/asm/processor.h
parent1129d270cbfbb7e2b1ec3dede4a13930bdd10e41 (diff)
parent49def1853334396f948dcb4cedb9347abb318df5 (diff)
Merge 4.10-rc4 into usb-next
We need the USB fixes in here to make merges easier/possible with the other sub-maintainer USB trees. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index eaf100508c36..1be64da0384e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -219,6 +219,24 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
: "memory");
}
+#define native_cpuid_reg(reg) \
+static inline unsigned int native_cpuid_##reg(unsigned int op) \
+{ \
+ unsigned int eax = op, ebx, ecx = 0, edx; \
+ \
+ native_cpuid(&eax, &ebx, &ecx, &edx); \
+ \
+ return reg; \
+}
+
+/*
+ * Native CPUID functions returning a single datum.
+ */
+native_cpuid_reg(eax)
+native_cpuid_reg(ebx)
+native_cpuid_reg(ecx)
+native_cpuid_reg(edx)
+
static inline void load_cr3(pgd_t *pgdir)
{
write_cr3(__pa(pgdir));