From: Leo Yan <leo.yan@linaro.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable@vger.kernel.org, Marc Zyngier <marc.zyngier@arm.com>,
John Stultz <john.stultz@linaro.org>,
Dmitry Shmidt <dimitrysh@google.com>
Subject: Re: [RESEND PATCH] arm64: arch_timer: Workaround for Cortex-A73 erratum 858921
Date: Wed, 30 Aug 2017 14:12:48 +0800 [thread overview]
Message-ID: <20170830061248.GA26938@leoy-ThinkPad-T440> (raw)
In-Reply-To: <20170830060338.GA3035@kroah.com>
On Wed, Aug 30, 2017 at 08:03:38AM +0200, Greg Kroah-Hartman wrote:
> On Wed, Aug 30, 2017 at 01:06:09PM +0800, Leo Yan wrote:
> > commit fa8d815fac96e7c9247783d5a1f8fa4685b3c543 upstream.
> >
> > Cortex-A73 (all versions) counter read can return a wrong value
> > when the counter crosses a 32bit boundary.
> >
> > The workaround involves performing the read twice, and to return
> > one or the other depending on whether a transition has taken place.
> >
> > Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> > Signed-off-by: Leo Yan <leo.yan@linaro.org>
> > ---
> > arch/arm64/Kconfig | 12 ++++++++++++
> > arch/arm64/include/asm/arch_timer.h | 11 +++++++++++
> > 2 files changed, 23 insertions(+)
>
> Why [RESEND] ?
In the first email your address and mailing list address are mixed,
I am not sure if the patch has been sent out properly. So resend it
again. Sorry for spamming.
> And what stable kernel tree(s) do you want this to be applied to?
This patch is target for kernel 4.4 and 4.9.
Thanks,
Leo Yan
next prev parent reply other threads:[~2017-08-30 6:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-30 5:06 [RESEND PATCH] arm64: arch_timer: Workaround for Cortex-A73 erratum 858921 Leo Yan
2017-08-30 6:03 ` Greg Kroah-Hartman
2017-08-30 6:12 ` Leo Yan [this message]
2017-08-30 8:02 ` Marc Zyngier
2017-08-30 8:20 ` Leo Yan
2017-08-30 8:46 ` Marc Zyngier
2017-08-31 0:30 ` Leo Yan
2017-08-31 8:30 ` Marc Zyngier
2017-09-01 2:01 ` Leo Yan
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