linux-kernel - Re: [PATCH]: arm64: factor work

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Message-ID: <20160708154901.GF6493@arm.com>
Date:	Fri, 8 Jul 2016 16:49:01 +0100
From:	Will Deacon <will.deacon@....com>
To:	Chris Metcalf <cmetcalf@...lanox.com>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Mark Rutland <mark.rutland@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH]: arm64: factor work_pending state machine to C

Hi Chris,

On Fri, Jul 08, 2016 at 11:43:50AM -0400, Chris Metcalf wrote:
> Ping!
> 
> I am hopeful that this patch [1] can be picked up for the 4.8 merge window
> in the arm64 tree.  As I mentioned in my last patch series that included
> this patch [2], I'm hopeful that this version addresses the performance
> issues that were seen with Mark's original patch.  This version tests the
> TIF flags prior to calling out to the loop in C code.

I still need to get round to measuring that again. This might also
conflict with a late fix I just sent for 4.7.

Is your task isolation series all ready apart from this? It seems like
there's still discussion over there.

Will