linux-kernel - Re: [PATCH] x86/asm: avoid mnemonics without type suffix

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <51E4429A.8090500@zytor.com>
Date:	Mon, 15 Jul 2013 11:42:34 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <ak@...ux.jf.intel.com>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Ramkumar Ramachandra <artagnon@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Eli Friedman <eli.friedman@...il.com>,
	Jim Grosbach <grosbach@...le.com>,
	Stephen Checkoway <s@...tak.org>, LLVMdev <llvmdev@...uiuc.edu>
Subject: Re: [PATCH] x86/asm: avoid mnemonics without type suffix

On 07/14/2013 02:14 PM, Andi Kleen wrote:
> 
> I think best would be to just find some way to implement LOCK prefix
> patching using atomic compiler intrinsics and then switch to those
> 

That will take a long time to make happen now, and then when we change
things we have to wait for gcc to catch up.  At some point this always
degenerates into the "do we need a kernel-specific compiler" morass.

	-hpa


--
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/