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
Date: Mon, 30 Mar 2015 11:04:08 +0200 [thread overview]
Message-ID: <20150330090408.GD19897@pd.tnic> (raw)
In-Reply-To: <CALCETrUp-4QQLjvb7UMiNhLLjOkUugBYr6m+ApYT_iP8-U5uLA@mail.gmail.com>
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.
--
prev parent reply other threads:[~2015-03-30 9:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-27 21:54 [RFC] x86, ia32entry: Use sysretl to return from sysenter Andy Lutomirski
2015-03-28 8:35 ` Ingo Molnar
2015-03-28 15:17 ` Andy Lutomirski
2015-03-29 12:58 ` Borislav Petkov
2015-03-29 19:07 ` Denys Vlasenko
2015-03-29 21:16 ` Andy Lutomirski
2015-03-30 9:04 ` Borislav Petkov [this message]
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