Messages in this thread | | | Date | Tue, 18 Feb 2020 08:57:09 +0000 | From | Will Deacon <> | Subject | Re: [PATCH 5/5] arm64: Remove TIF_NOHZ |
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On Fri, Feb 14, 2020 at 04:26:15PM +0100, Frederic Weisbecker wrote: > The syscall slow path is spuriously invoked when context tracking is > activated while the entry code calls context tracking from fast path. > > Remove that overhead and the unused flag itself while at it. > > Signed-off-by: Frederic Weisbecker <frederic@kernel.org> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Peter Zijlstra <peterz@infradead.org> > Cc: Borislav Petkov <bp@alien8.de> > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will@kernel.org> > --- > arch/arm64/Kconfig | 1 - > arch/arm64/include/asm/thread_info.h | 4 +--- > 2 files changed, 1 insertion(+), 4 deletions(-)
Acked-by: Will Deacon <will@kernel.org>
Do you want this to go via the arm64 tree? It looks like it makes sense on its own to me, so I could pick it as a fix.
Will
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