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SubjectRe: [PATCH 5/5] arm64: Remove TIF_NOHZ
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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