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authorDavid S. Miller <davem@davemloft.net>2008-03-18 02:44:31 -0400
committerDavid S. Miller <davem@davemloft.net>2008-03-18 02:44:31 -0400
commit2f633928cbba8a5858bb39b11e7219a41b0fbef5 (patch)
tree9a82f4b7f2c3afe4b0208d8e44ea61bae90a7d22 /arch/x86/Kconfig.cpu
parent5e226e4d9016daee170699f8a4188a5505021756 (diff)
parentbde4f8fa8db2abd5ac9c542d76012d0fedab050f (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86/Kconfig.cpu')
-rw-r--r--arch/x86/Kconfig.cpu14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index e09a6b73a1aa..9304bfba7d45 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -377,6 +377,19 @@ config X86_OOSTORE
377 def_bool y 377 def_bool y
378 depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR 378 depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
379 379
380#
381# P6_NOPs are a relatively minor optimization that require a family >=
382# 6 processor, except that it is broken on certain VIA chips.
383# Furthermore, AMD chips prefer a totally different sequence of NOPs
384# (which work on all CPUs). As a result, disallow these if we're
385# compiling X86_GENERIC but not X86_64 (these NOPs do work on all
386# x86-64 capable chips); the list of processors in the right-hand clause
387# are the cores that benefit from this optimization.
388#
389config X86_P6_NOP
390 def_bool y
391 depends on (X86_64 || !X86_GENERIC) && (M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MPENTIUM4)
392
380config X86_TSC 393config X86_TSC
381 def_bool y 394 def_bool y
382 depends on ((MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64 395 depends on ((MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64
@@ -390,6 +403,7 @@ config X86_CMOV
390config X86_MINIMUM_CPU_FAMILY 403config X86_MINIMUM_CPU_FAMILY
391 int 404 int
392 default "64" if X86_64 405 default "64" if X86_64
406 default "6" if X86_32 && X86_P6_NOP
393 default "4" if X86_32 && (X86_XADD || X86_CMPXCHG || X86_BSWAP || X86_WP_WORKS_OK) 407 default "4" if X86_32 && (X86_XADD || X86_CMPXCHG || X86_BSWAP || X86_WP_WORKS_OK)
394 default "3" 408 default "3"
395 409