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authorDave Hansen <[email protected]>2016-06-29 13:01:08 -0700
committerIngo Molnar <[email protected]>2016-06-30 09:11:32 +0200
commit1e61f78baf893c7eb49f633d23ccbb420c8f808e (patch)
tree9cbf7d3472606f50a517cc2e82bc36541d2a9ea8 /tools/perf/scripts/python/call-graph-from-postgresql.py
parent6e17cb9c2d5efd8fcc3934e983733302b9912ff8 (diff)
x86/cpufeature: Make sure DISABLED/REQUIRED macros are updated
x86 has two macros which allow us to evaluate some CPUID-based features at compile time: REQUIRED_MASK_BIT_SET() DISABLED_MASK_BIT_SET() They're both defined by having the compiler check the bit argument against some constant masks of features. But, when adding new CPUID leaves, we need to check new words for these macros. So make sure that those macros and the REQUIRED_MASK* and DISABLED_MASK* get updated when necessary. This looks kinda silly to have an open-coded value ("18" in this case) open-coded in 5 places in the code. But, we really do need 5 places updated when NCAPINTS gets bumped, so now we just force the issue. 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]>
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