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Groups > linux.kernel > #1371344
| From | "Suzuki K. Poulose" <Suzuki.Poulose@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] arm64: hw-breakpoint: Remove superfluous SMP function call |
| Date | 2016-04-05 11:30 +0200 |
| Message-ID | <rkvt7-Vb-13@gated-at.bofh.it> (permalink) |
| References | <rkaf0-1J2-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 04/04/16 11:42, Anna-Maria Gleixner wrote:
> Since commit 1cf4f629d9d2 ("cpu/hotplug: Move online calls to
> hotplugged cpu") it is ensured that callbacks of CPU_ONLINE and
> CPU_DOWN_PREPARE are processed on the hotplugged cpu. Due to this SMP
> function calls are no longer required.
>
> Replace smp_call_function_single() with a direct call of
> hw_breakpoint_reset(). To keep the calling convention, interrupts are
> explicitely disabled around the call.
While you are at it, could you please also fix a similar instance
in arch/arm64/kernel/debug-monitors.c: hw_breakpoint_reset_notify() ?
Thanks
Suzuki
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[PATCH] arm64: hw-breakpoint: Remove superfluous SMP function call Anna-Maria Gleixner <anna-maria@linutronix.de> - 2016-04-04 12:50 +0200
Re: [PATCH] arm64: hw-breakpoint: Remove superfluous SMP function call Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-04-04 16:10 +0200
Re: [PATCH] arm64: hw-breakpoint: Remove superfluous SMP function call "Suzuki K. Poulose" <Suzuki.Poulose@arm.com> - 2016-04-05 11:30 +0200
Re: [PATCH] arm64: hw-breakpoint: Remove superfluous SMP function call Anna-Maria Gleixner <anna-maria@linutronix.de> - 2016-04-05 11:40 +0200
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