From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Date: Mon, 30 Mar 2015 11:04:08 +0200
From: Borislav Petkov <bp@alien8.de>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Denys Vlasenko <vda.linux@googlemail.com>,
	Andy Lutomirski <luto@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Denys Vlasenko <dvlasenk@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	X86 ML <x86@kernel.org>, Ingo Molnar <mingo@kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>, stable <stable@vger.kernel.org>
Subject: Re: [RFC] x86, ia32entry: Use sysretl to return from sysenter
Message-ID: <20150330090408.GD19897@pd.tnic>
References: <9414b4dfad7ad90b0315323be32d977867719bd4.1427493165.git.luto@kernel.org>
 <CAK1hOcNka1ZfJFUPjDcqQRzTBy=sYBVGZ5PnAaP1m=F-HwzoTA@mail.gmail.com>
 <CALCETrUp-4QQLjvb7UMiNhLLjOkUugBYr6m+ApYT_iP8-U5uLA@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <CALCETrUp-4QQLjvb7UMiNhLLjOkUugBYr6m+ApYT_iP8-U5uLA@mail.gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <stable.vger.kernel.org>

On Sun, Mar 29, 2015 at 02:16:05PM -0700, Andy Lutomirski wrote:
> > sysexit_from_sys_call:
> >         /*
> >          * Sysretl works even on Intel CPUs.  Use it in preference to sysexit,
> >          * since it avoids a dicey window with interrupts enabled.

Btw, let's agree on the convention to write instructions in capital
letters, i.e. Sysretl -> SYSRET and so on...

Thanks.

-- 
Regards/Gruss,
    Boris.

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