From: "H. Peter Anvin" <hpa@zytor.com>
To: Chen Gang <gang.chen@asianux.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
the arch/x86 maintainers <x86@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
shli@fusionio.com, "dhowells@redhat.com" <dhowells@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Linux-Arch <linux-arch@vger.kernel.org>
Subject: Re: [PATCH] arch: x86: include: asm: need 'unsigned' type cast for atomic_clear_mask()
Date: Sat, 08 Jun 2013 00:31:19 -0700 [thread overview]
Message-ID: <51B2DDC7.4070107@zytor.com> (raw)
In-Reply-To: <51B2CF75.1090207@asianux.com>
On 06/07/2013 11:30 PM, Chen Gang wrote:
>
> atomic_set_mask() has already have 'unsigned' type case, and
> atomic_clear_mask() is the pair of atomic_set_mask().
>
> So it also need 'unsigned' type case.
>
Pray tell, in what situation does this matter? The only reason I can
think of is if "mask" is actually a long...
-hpa
next prev parent reply other threads:[~2013-06-08 7:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-08 6:30 [PATCH] arch: x86: include: asm: need 'unsigned' type cast for atomic_clear_mask() Chen Gang
2013-06-08 7:31 ` H. Peter Anvin [this message]
2013-06-08 8:02 ` Chen Gang
2013-06-08 8:25 ` Chen Gang
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