linux-kernel - Re: [tip:x86/asm] x86/asm/entry/64: Remove unused thread

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Message-ID: <20150317080658.GD19645@pd.tnic>
Date:	Tue, 17 Mar 2015 09:06:58 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Denys Vlasenko <dvlasenk@...hat.com>,
	linux-tip-commits@...r.kernel.org, linux-kernel@...r.kernel.org,
	keescook@...omium.org, ast@...mgrid.com, fweisbec@...il.com,
	oleg@...hat.com, tglx@...utronix.de, torvalds@...ux-foundation.org,
	hpa@...or.com, wad@...omium.org, rostedt@...dmis.org
Subject: Re: [tip:x86/asm] x86/asm/entry/64: Remove unused
 thread_struct::usersp

On Tue, Mar 17, 2015 at 08:51:39AM +0100, Ingo Molnar wrote:
> can you confirm that your guest (sometimes) uses SYSENTER to do 
> syscalls?

I don't think so - in both dumps of libc.so and ld.so, we have

SYSCALL... RET -> <segfault>

-- 
Regards/Gruss,
    Boris.

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