From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Anna-Maria Gleixner <anna-maria@linutronix.de>,
linux-kernel@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>,
Russell King <linux@arm.linux.org.uk>,
Will Deacon <will.deacon@arm.com>,
rt@linutronix.de, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm, hw-breakpoint: Remove superfluous SMP function call
Date: Mon, 4 Apr 2016 17:08:01 +0300 [thread overview]
Message-ID: <57027541.9080401@cogentembedded.com> (raw)
In-Reply-To: <1459765920-15690-1-git-send-email-anna-maria@linutronix.de>
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
prev parent reply other threads:[~2016-04-04 14:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-04 10:32 [PATCH] arm, hw-breakpoint: Remove superfluous SMP function call Anna-Maria Gleixner
2016-04-04 14:08 ` Sergei Shtylyov [this message]
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