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hansendcZhengShunQian
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x86/cpufeature: Update cpufeaure macros
commit 6e17cb9 upstream We had a new CPUID "NCAPINT" word added, but the REQUIRED_MASK and DISABLED_MASK macros did not get updated. Update them. None of the features was needed in these masks, so there was no harm, but we should keep them updated anyway. Signed-off-by: Dave Hansen <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Srivatsa S. Bhat <[email protected]> Reviewed-by: Matt Helsley (VMware) <[email protected]> Reviewed-by: Alexey Makhalov <[email protected]> Reviewed-by: Bo Gan <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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arch/x86/include/asm/cpufeature.h

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -66,7 +66,8 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
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(((bit)>>5)==13 && (1UL<<((bit)&31) & REQUIRED_MASK13)) || \
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(((bit)>>5)==14 && (1UL<<((bit)&31) & REQUIRED_MASK14)) || \
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(((bit)>>5)==15 && (1UL<<((bit)&31) & REQUIRED_MASK15)) || \
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(((bit)>>5)==16 && (1UL<<((bit)&31) & REQUIRED_MASK16)) )
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(((bit)>>5)==16 && (1UL<<((bit)&31) & REQUIRED_MASK16)) || \
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(((bit)>>5)==17 && (1UL<<((bit)&31) & REQUIRED_MASK17)))
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#define DISABLED_MASK_BIT_SET(bit) \
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( (((bit)>>5)==0 && (1UL<<((bit)&31) & DISABLED_MASK0 )) || \
@@ -85,7 +86,8 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
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(((bit)>>5)==13 && (1UL<<((bit)&31) & DISABLED_MASK13)) || \
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(((bit)>>5)==14 && (1UL<<((bit)&31) & DISABLED_MASK14)) || \
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(((bit)>>5)==15 && (1UL<<((bit)&31) & DISABLED_MASK15)) || \
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(((bit)>>5)==16 && (1UL<<((bit)&31) & DISABLED_MASK16)) )
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(((bit)>>5)==16 && (1UL<<((bit)&31) & DISABLED_MASK16)) || \
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(((bit)>>5)==17 && (1UL<<((bit)&31) & DISABLED_MASK17)))
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#define cpu_has(c, bit) \
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(__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \

arch/x86/include/asm/disabled-features.h

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -58,5 +58,6 @@
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#define DISABLED_MASK14 0
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#define DISABLED_MASK15 0
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#define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE)
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#define DISABLED_MASK17 0
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#endif /* _ASM_X86_DISABLED_FEATURES_H */

arch/x86/include/asm/required-features.h

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@@ -99,5 +99,6 @@
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#define REQUIRED_MASK14 0
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#define REQUIRED_MASK15 0
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#define REQUIRED_MASK16 0
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#define REQUIRED_MASK17 0
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#endif /* _ASM_X86_REQUIRED_FEATURES_H */

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