Messages in this thread | | | Date | Tue, 18 Feb 2020 15:30:28 +0100 | From | Frederic Weisbecker <> | Subject | Re: [PATCH 5/5] arm64: Remove TIF_NOHZ |
| |
On Tue, Feb 18, 2020 at 08:57:09AM +0000, Will Deacon wrote: > 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.
Thanks Will, unfortunately it depends on some patches on the series, so the whole needs to go together.
| |