linux-kernel - Re: [PATCH 2/9] x86/asm/entry/32: Use PUSH instructions to build pt

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Message-ID: <20150401135320.GE18371@pd.tnic>
Date:	Wed, 1 Apr 2015 15:53:20 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Denys Vlasenko <dvlasenk@...hat.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andy Lutomirski <luto@...capital.net>,
	Oleg Nesterov <oleg@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Alexei Starovoitov <ast@...mgrid.com>,
	Will Drewry <wad@...omium.org>,
	Kees Cook <keescook@...omium.org>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/9] x86/asm/entry/32: Use PUSH instructions to build
 pt_regs on stack

On Wed, Apr 01, 2015 at 03:12:50PM +0200, Denys Vlasenko wrote:
> At the moment I don't have AMD CPUs here, cant benchmark
> 32-bit syscall-based codepath.

You could send me your measuring tool - I'll run it on AMD.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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