From: Liam Mark <lmark@codeaurora.org>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Laura Abbott <labbott@redhat.com>,
Sumit Semwal <sumit.semwal@linaro.org>,
linaro-mm-sig@lists.linaro.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: android: ion: Zero CMA allocated memory
Date: Mon, 22 Jan 2018 08:52:57 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.02.1801220849280.31529@lmark-linux.qualcomm.com> (raw)
In-Reply-To: <20180120080008.GA20172@kroah.com>
On Sat, 20 Jan 2018, Greg KH wrote:
> On Fri, Jan 19, 2018 at 11:16:47AM -0800, Liam Mark wrote:
> > Since the CMA API is now used directly the allocated memory is no longer
> > automatically zeroed.
> >
> > Explicitly zero CMA allocated memory to ensure that no data is exposed
> > to userspace.
>
> How far back does this patch need to be ported? What is the git commit
> id that caused this change to be needed? Please add it as a "Fixes:"
> tag to the patch.
>
It goes back to 204f672255c2 ("ion: Use CMA APIs directly"), I will update
the change.
> >
> > Change-Id: I08e143707a0d31610821a7f16826c262bf3c1999
>
> I'm guessing you didn't run scripts/checkpatch.pl on this patch :(
>
> Please fix up and resend.
Thanks, I will clean it up.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
prev parent reply other threads:[~2018-01-22 16:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-19 19:16 Liam Mark
2018-01-19 20:14 ` Dan Carpenter
2018-01-22 16:48 ` Liam Mark
2018-01-20 8:00 ` Greg KH
2018-01-22 16:52 ` Liam Mark [this message]
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