x86: Add Intel Processor Trace (INTEL_PT) cpu feature detection

[deliverable/linux.git] / arch / x86 / kernel / cpu / scattered.c

diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 60639093d536a98806d21f9f675ffba6526c1322..3d423a101fae05ccd722a4e564b83ba5e0112b6e 100644 (file)
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -41,6 +41,7 @@ void init_scattered_cpuid_features(struct cpuinfo_x86 *c)
                { X86_FEATURE_HWP_ACT_WINDOW,   CR_EAX, 9, 0x00000006, 0 },
                { X86_FEATURE_HWP_EPP,          CR_EAX,10, 0x00000006, 0 },
                { X86_FEATURE_HWP_PKG_REQ,      CR_EAX,11, 0x00000006, 0 },
+               { X86_FEATURE_INTEL_PT,         CR_EBX,25, 0x00000007, 0 },
                { X86_FEATURE_APERFMPERF,       CR_ECX, 0, 0x00000006, 0 },
                { X86_FEATURE_EPB,              CR_ECX, 3, 0x00000006, 0 },
                { X86_FEATURE_HW_PSTATE,        CR_EDX, 7, 0x80000007, 0 },