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author | Ingo Molnar <mingo@kernel.org> | 2016-01-12 11:08:13 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2016-01-12 11:08:13 +0100 |
commit | c0c57019a65341f08858541d2740b74dee821cf1 (patch) | |
tree | 584ac03f7dfa26c9c45c3d66ad306222e893fa33 /arch/x86/Kconfig | |
parent | 8c31902cffc4d716450be549c66a67a8a3dd479c (diff) | |
parent | ae8a52185e5c070cf4510b323dbc1b9e46b897d6 (diff) | |
download | op-kernel-dev-c0c57019a65341f08858541d2740b74dee821cf1.zip op-kernel-dev-c0c57019a65341f08858541d2740b74dee821cf1.tar.gz |
Merge commit 'linus' into x86/urgent, to pick up recent x86 changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r-- | arch/x86/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index db3622f..258965d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -349,6 +349,17 @@ config X86_FEATURE_NAMES If in doubt, say Y. +config X86_FAST_FEATURE_TESTS + bool "Fast CPU feature tests" if EMBEDDED + default y + ---help--- + Some fast-paths in the kernel depend on the capabilities of the CPU. + Say Y here for the kernel to patch in the appropriate code at runtime + based on the capabilities of the CPU. The infrastructure for patching + code at runtime takes up some additional space; space-constrained + embedded systems may wish to say N here to produce smaller, slightly + slower code. + config X86_X2APIC bool "Support x2apic" depends on X86_LOCAL_APIC && X86_64 && (IRQ_REMAP || HYPERVISOR_GUEST) @@ -687,6 +698,14 @@ config PARAVIRT_SPINLOCKS If you are unsure how to answer this question, answer Y. +config QUEUED_LOCK_STAT + bool "Paravirt queued spinlock statistics" + depends on PARAVIRT_SPINLOCKS && DEBUG_FS && QUEUED_SPINLOCKS + ---help--- + Enable the collection of statistical data on the slowpath + behavior of paravirtualized queued spinlocks and report + them on debugfs. + source "arch/x86/xen/Kconfig" config KVM_GUEST |