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From: "Ren, Qiaowei" <qiaowei.ren@intel.com>
To: "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>
Cc: "x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 1/2] x86: add user_atomic_cmpxchg_inatomic at uaccess.h
Date: Mon, 16 Dec 2013 12:21:27 +0000	[thread overview]
Message-ID: <9E0BE1322F2F2246BD820DA9FC397ADE014B2C09@SHSMSX102.ccr.corp.intel.com> (raw)
In-Reply-To: <1387002303-6620-1-git-send-email-qiaowei.ren@intel.com>

Qiaowei Ren wrote: 
> This patch adds user_atomic_cmpxchg_inatomic() to use CMPXCHG instruction
> against a user space address.
> 
> This generalizes the already existing futex_atomic_cmpxchg_inatomic() so it
> can be used in other contexts.  This will be used in the upcoming support for
> Intel MPX (Memory Protection Extensions.)
> 
Peter, do you have any other comments for this version?

Thanks,
Qiaowei

  parent reply	other threads:[~2013-12-16 12:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-14  6:25 Qiaowei Ren
2013-12-14  6:25 ` [PATCH 2/2] x86: replace futex_atomic_cmpxchg_inatomic() with user_atomic_cmpxchg_inatomic Qiaowei Ren
2013-12-16 17:24   ` [tip:x86/mpx] " tip-bot for Qiaowei Ren
2013-12-16 12:21 ` Ren, Qiaowei [this message]
2013-12-16 16:55 ` [PATCH 1/2] x86: add user_atomic_cmpxchg_inatomic at uaccess.h H. Peter Anvin
2013-12-16 17:24 ` [tip:x86/mpx] " tip-bot for Qiaowei Ren

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