From: Michael Ellerman <mpe@ellerman.id.au>
To: xinhui <xinhui@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: "Peter Zijlstra \(Intel\)" <peterz@infradead.org>,
Boqun Feng <boqun.feng@gmail.com>,
Paul Mackerras <paulus@samba.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [V2] arch/powerpc: use BUILD_BUG_ON_MSG() when detect unfit {cmp}xchg size
Date: Mon, 29 Feb 2016 22:05:24 +1100 (AEDT) [thread overview]
Message-ID: <20160229110524.59951140662@ozlabs.org> (raw)
In-Reply-To: <56CC3CDD.8040006@linux.vnet.ibm.com>
On Tue, 2016-23-02 at 11:05:01 UTC, xinhui wrote:
> From: pan xinhui <xinhui.pan@linux.vnet.ibm.com>
>
> __xchg_called_with_bad_pointer() can't tell us what codes use {cmp}xchg
> in incorrect way. And no error will be reported until the link stage.
> To fix such a kind of issues easily, we use BUILD_BUG_ON_MSG() here.
>
> Signed-off-by: pan xinhui <xinhui.pan@linux.vnet.ibm.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/10d8b1480e6966ba03cd3afad3
cheers
prev parent reply other threads:[~2016-02-29 11:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-23 11:05 [PATCH V2] arch/powerpc: use BUILD_BUG_ON_MSG() when detect unfit {cmp}xchg size Pan Xinhui
2016-02-29 11:05 ` Michael Ellerman [this message]
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