From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH]: arm64: factor work_pending state machine to C
Date: Mon, 11 Jul 2016 12:42:37 +0100 [thread overview]
Message-ID: <20160711114237.GE17735@arm.com> (raw)
In-Reply-To: <20160708154901.GF6493@arm.com>
On Fri, Jul 08, 2016 at 04:49:01PM +0100, Will Deacon wrote:
> On Fri, Jul 08, 2016 at 11:43:50AM -0400, Chris Metcalf wrote:
> > 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.
FWIW, I've failed to measure any performance overhead from this change,
so it certainly looks better thsn Mark's original patch from that angle.
Will
next prev parent reply other threads:[~2016-07-11 11:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1459877922-15512-1-git-send-email-cmetcalf@mellanox.com>
2016-04-05 17:38 ` [PATCH v12 12/13] arm64: factor work_pending state machine to C Chris Metcalf
2016-07-08 15:43 ` [PATCH]: " Chris Metcalf
2016-07-08 15:49 ` Will Deacon
2016-07-08 16:11 ` Chris Metcalf
2016-07-11 11:42 ` Will Deacon [this message]
2016-07-11 12:19 ` Mark Rutland
2016-07-29 18:16 ` Chris Metcalf
2016-08-09 10:21 ` Will Deacon
2016-04-05 17:38 ` [PATCH v12 13/13] arch/arm64: enable task isolation functionality Chris Metcalf
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