linux-kernel - Re: [PATCH v3 [resend] 05/18] smp, ARM64: kill SMP single function call interrupt

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Date:	Tue, 17 Dec 2013 17:16:25 +0000
From:	Will Deacon <will.deacon@....com>
To:	Jiang Liu <liuj97@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Shaohua Li <shli@...nel.org>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Mark Rutland <Mark.Rutland@....com>,
	Javi Merino <Javi.Merino@....com>,
	Marc Zyngier <Marc.Zyngier@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>,
	Jiri Kosina <trivial@...nel.org>,
	Wang YanQing <udknight@...il.com>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v3 [resend] 05/18] smp, ARM64: kill SMP single function
 call interrupt

On Sun, Dec 15, 2013 at 04:36:27PM +0000, Jiang Liu wrote:
> Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
> similar to smp_call_function_single()" has unified the way to handle
> single and multiple cross-CPU function calls. Now only one interrupt
> is needed for architecture specific code to support generic SMP function
> call interfaces, so kill the redundant single function call interrupt.
> 
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Shaohua Li <shli@...nel.org>
> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Cc: Ingo Molnar <mingo@...e.hu>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Jiri Kosina <trivial@...nel.org>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will.deacon@....com>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: linux-arm-kernel@...ts.infradead.org
> Signed-off-by: Jiang Liu <liuj97@...il.com>
> ---
>  arch/arm64/include/asm/hardirq.h |  2 +-
>  arch/arm64/kernel/smp.c          | 10 +---------
>  2 files changed, 2 insertions(+), 10 deletions(-)

  Acked-by: Will Deacon <will.deacon@....com>

I assume you're taking this series via some other route (than the arch/
trees) in order to deal with any core dependencies?

Will
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