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Re: [PATCH] arm, hw-breakpoint: Remove superfluous SMP function call

From Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Newsgroups linux.kernel
Subject Re: [PATCH] arm, hw-breakpoint: Remove superfluous SMP function call
Date 2016-04-04 16:10 +0200
Message-ID <rkdmz-47v-37@gated-at.bofh.it> (permalink)
References <rka5k-1Fr-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 4/4/2016 1:32 PM, 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
> reset_ctrl_regs(). To keep the calling convention, interrupts are
> explicitely disabled around the call.

    Same typo as in ARM64 patch.

> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Russell King <linux@arm.linux.org.uk>
> Cc: linux-arm-kernel@lists.infradead.org
> Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
[...]

MBR, Sergei

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[PATCH] arm, hw-breakpoint: Remove superfluous SMP function call Anna-Maria Gleixner <anna-maria@linutronix.de> - 2016-04-04 12:40 +0200
  Re: [PATCH] arm, hw-breakpoint: Remove superfluous SMP function call Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-04-04 16:10 +0200

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