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authorIngo Molnar2008-12-13 09:00:03 +0100
committerIngo Molnar2008-12-14 20:30:48 +0100
commitee06094f8279e1312fc0a31591320cc7b6f0ab1e (patch)
treeaecf8f2177b2398e4db8df68a9705009b31a8ef7 /arch/x86/Kconfig
parentx86: implement atomic64_t on 32-bit (diff)
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perfcounters: restructure x86 counter math
Impact: restructure code Change counter math from absolute values to clear delta logic. We try to extract elapsed deltas from the raw hw counter - and put that into the generic counter. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f2fdc1867241..fe94490bab61 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -643,7 +643,7 @@ config X86_UP_IOAPIC
config X86_LOCAL_APIC
def_bool y
depends on X86_64 || (X86_32 && (X86_UP_APIC || (SMP && !X86_VOYAGER) || X86_GENERICARCH))
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_COUNTERS if (!M386 && !M486)
config X86_IO_APIC
def_bool y