diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-03-30 18:29:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-03-30 18:29:05 -0700 |
| commit | 336622e9fce7a0b8243e1cd9f6e1c24d96f13cd8 (patch) | |
| tree | a92d7a0e419e825d398b64252493224e37cb0ca0 /arch/powerpc | |
| parent | 992a1a3b45b5c0b6e69ecc2a3f32b0d02da28d58 (diff) | |
| parent | e4970c9c54d7cb4edc24d82ed27aef69aaf593de (diff) | |
Merge tag 'timers-nohz-2020-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull NOHZ update from Thomas Gleixner:
"Remove TIF_NOHZ from three architectures
These architectures use a static key to decide whether context
tracking needs to be invoked and the TIF_NOHZ flag just causes a
pointless slowpath execution for nothing"
* tag 'timers-nohz-2020-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
arm64: Remove TIF_NOHZ
arm: Remove TIF_NOHZ
x86: Remove TIF_NOHZ
context-tracking: Introduce CONFIG_HAVE_TIF_NOHZ
x86/entry: Remove _TIF_NOHZ from _TIF_WORK_SYSCALL_ENTRY
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 497b7d0b2d7e..6f40af294685 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -182,6 +182,7 @@ config PPC select HAVE_STACKPROTECTOR if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13) select HAVE_STACKPROTECTOR if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2) select HAVE_CONTEXT_TRACKING if PPC64 + select HAVE_TIF_NOHZ if PPC64 select HAVE_COPY_THREAD_TLS select HAVE_DEBUG_KMEMLEAK select HAVE_DEBUG_STACKOVERFLOW |