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x86: Store a per-cpu shadow copy of CR4
[linux-block.git]
/
arch
/
x86
/
kernel
/
setup.c
diff --git
a/arch/x86/kernel/setup.c
b/arch/x86/kernel/setup.c
index ab4734e5411d76daa06624afc6d1eb4325d1a128..04e6c62f1a9386535f9b1e4f5156e37ec14f402d 100644
(file)
--- a/
arch/x86/kernel/setup.c
+++ b/
arch/x86/kernel/setup.c
@@
-1178,7
+1178,7
@@
void __init setup_arch(char **cmdline_p)
if (boot_cpu_data.cpuid_level >= 0) {
/* A CPU has %cr4 if and only if it has CPUID */
- mmu_cr4_features = read_cr4();
+ mmu_cr4_features =
__
read_cr4();
if (trampoline_cr4_features)
*trampoline_cr4_features = mmu_cr4_features;
}