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authorDavid Woodhouse <dwmw@amazon.co.uk>2018-01-25 19:14:09 +0300
committerThomas Gleixner <tglx@linutronix.de>2018-01-26 17:53:16 +0300
commit95ca0ee8636059ea2800dfbac9ecac6212d6b38f (patch)
treeec91e299bf08e4541ceccd19ef64b44cd8350989 /arch/x86/include/asm/required-features.h
parentcaf7501a1b4ec964190f31f9c3f163de252273b8 (diff)
downloadlinux-95ca0ee8636059ea2800dfbac9ecac6212d6b38f.tar.xz
x86/cpufeatures: Add CPUID_7_EDX CPUID leaf
This is a pure feature bits leaf. There are two AVX512 feature bits in it already which were handled as scattered bits, and three more from this leaf are going to be added for speculation control features. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Borislav Petkov <bp@suse.de> Cc: gnomes@lxorguk.ukuu.org.uk Cc: ak@linux.intel.com Cc: ashok.raj@intel.com Cc: dave.hansen@intel.com Cc: karahmed@amazon.de Cc: arjan@linux.intel.com Cc: torvalds@linux-foundation.org Cc: peterz@infradead.org Cc: bp@alien8.de Cc: pbonzini@redhat.com Cc: tim.c.chen@linux.intel.com Cc: gregkh@linux-foundation.org Link: https://lkml.kernel.org/r/1516896855-7642-2-git-send-email-dwmw@amazon.co.uk
Diffstat (limited to 'arch/x86/include/asm/required-features.h')
-rw-r--r--arch/x86/include/asm/required-features.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h
index d91ba04dd007..fb3a6de7440b 100644
--- a/arch/x86/include/asm/required-features.h
+++ b/arch/x86/include/asm/required-features.h
@@ -106,6 +106,7 @@
#define REQUIRED_MASK15 0
#define REQUIRED_MASK16 (NEED_LA57)
#define REQUIRED_MASK17 0
-#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18)
+#define REQUIRED_MASK18 0
+#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 19)
#endif /* _ASM_X86_REQUIRED_FEATURES_H */