linux-kernel - RE: [PATCH 1/2] x86: add user_atomic_cmpxchg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <9E0BE1322F2F2246BD820DA9FC397ADE014B2C09@SHSMSX102.ccr.corp.intel.com>
Date:	Mon, 16 Dec 2013 12:21:27 +0000
From:	"Ren, Qiaowei" <qiaowei.ren@...el.com>
To:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>
CC:	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/2] x86: add user_atomic_cmpxchg_inatomic at uaccess.h

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/