From: Will Deacon <will.deacon@arm•com>
To: Jiri Slaby <jslaby@suse•cz>
Cc: Thomas Gleixner <tglx@linutronix•de>,
mingo@redhat•com, peterz@infradead•org, dvhart@infradead•org,
linux-kernel@vger•kernel.org, Richard Henderson <rth@twiddle•net>,
Ivan Kokshaysky <ink@jurassic•park.msu.ru>,
Matt Turner <mattst88@gmail•com>,
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Catalin Marinas <catalin.marinas@arm•com>,
Richard Kuo <rkuo@codeaurora•org>,
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Fenghua Yu <fenghua.yu@intel•com>,
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Ralf Baechle <ralf@linux-mips•org>,
Jonas Bonn <jonas@southpole•se>,
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Stafford Horne <shorne@gmail•com>,
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Subject: Re: [PATCH 1/1] futex: remove duplicated code and fix UB
Date: Mon, 26 Jun 2017 13:08:14 +0100 [thread overview]
Message-ID: <20170626120814.GF1691@arm.com> (raw)
In-Reply-To: <80af8d81-4522-de2d-8289-1ab46565505a@suse.cz>
On Mon, Jun 26, 2017 at 02:02:31PM +0200, Jiri Slaby wrote:
> On 06/23/2017, 09:51 AM, Thomas Gleixner wrote:
> > On Wed, 21 Jun 2017, Jiri Slaby wrote:
> >> diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
> >> index f32b42e8725d..5bb2fd4674e7 100644
> >> --- a/arch/arm64/include/asm/futex.h
> >> +++ b/arch/arm64/include/asm/futex.h
> >> @@ -48,20 +48,10 @@ do { \
> >> } while (0)
> >>
> >> static inline int
> >> -futex_atomic_op_inuser(unsigned int encoded_op, u32 __user *uaddr)
> >
> > That unsigned int seems to be a change from the arm64 tree in next. It's
> > not upstream and it'll cause a (easy to resolve) conflict.
>
> Ugh, I thought the arm64 is in upstream already. Note that this patch
> just takes what is in this arm64 fix and makes it effective for all
> architectures. So I will wait with v2 until it merges upstream.
>
> So, Will, will you incorporate Thomas' comments into your arm64 fix?
I wasn't planning to (it's already queued and I think they're just cosmetic
changes). The easiest thing is probably for you to make the changes in the
generic version when you post v2.
Will
next prev parent reply other threads:[~2017-06-26 12:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-21 11:53 [PATCH 1/1] futex: remove duplicated code and fix UB Jiri Slaby
2017-06-22 3:53 ` Darren Hart
2017-06-23 7:51 ` Thomas Gleixner
2017-06-26 12:02 ` Jiri Slaby
2017-06-26 12:08 ` Will Deacon [this message]
2017-07-03 10:18 ` Thomas Gleixner
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