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From: Borislav Petkov <bp@alien8.de>
To: Andy Lutomirski <luto@amacapital.net>
Cc: "Luck, Tony" <tony.luck@intel.com>, Jiri Kosina <jkosina@suse.cz>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Andi Kleen <andi@firstfloor.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>
Subject: Re: [RFC] x86_64: A real proposal for iret-less return to kernel
Date: Thu, 22 May 2014 00:36:47 +0200	[thread overview]
Message-ID: <20140521223647.GO25130@pd.tnic> (raw)
In-Reply-To: <CALCETrWY4OW0FF3vsS+ntALU_kmmcEB9wf0RMg-H5kSO7jQ-wQ@mail.gmail.com>

On Wed, May 21, 2014 at 03:20:50PM -0700, Andy Lutomirski wrote:
> It's not even scheduled out, right?

Right.

> This should be just like a signal from a failed page fault, I think.

Right, but there this additional work it needs to be done
(mce_notify_process()) before sending the signal. So you want to do this
after the MCE handler is done but before you return to the process.

> What switch_to?

Nevermind, that was bollocks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

  reply	other threads:[~2014-05-21 22:37 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-21  0:53 [RFC] x86_64: A real proposal for iret-less return to kernel Andy Lutomirski
2014-05-21  2:27 ` Steven Rostedt
2014-05-21  2:33   ` H. Peter Anvin
2014-05-21  2:39   ` Andy Lutomirski
2014-05-21  9:46     ` Borislav Petkov
2014-05-21 15:21       ` Andy Lutomirski
2014-05-21 16:30         ` Borislav Petkov
2014-05-21 17:52           ` Andy Lutomirski
2014-05-21 18:07             ` Borislav Petkov
2014-05-21 12:51     ` Jiri Kosina
2014-05-21 15:21       ` Andy Lutomirski
2014-05-21 16:33         ` Borislav Petkov
2014-05-21 21:25           ` Jiri Kosina
2014-05-21 21:35             ` Andy Lutomirski
2014-05-21 21:48               ` Borislav Petkov
2014-05-21 21:52                 ` Andy Lutomirski
2014-05-21 21:55                   ` Borislav Petkov
2014-05-21 21:59                     ` Jiri Kosina
2014-05-21 21:59                     ` Andy Lutomirski
2014-05-21 22:01                   ` Luck, Tony
2014-05-21 22:13                     ` Andy Lutomirski
2014-05-21 22:17                       ` Borislav Petkov
2014-05-21 22:20                         ` Andy Lutomirski
2014-05-21 22:36                           ` Borislav Petkov [this message]
2014-05-21 22:18                       ` Luck, Tony
2014-05-21 22:24                         ` Andy Lutomirski
2014-05-21 22:32                           ` Luck, Tony
2014-05-21 22:39                             ` Andy Lutomirski
2014-05-21 22:48                               ` Borislav Petkov
2014-05-21 22:52                                 ` Andy Lutomirski
2014-05-21 23:02                                   ` Borislav Petkov
2014-05-21 23:05                                 ` Luck, Tony
2014-05-21 23:07                                   ` Andy Lutomirski
2014-05-21 23:19                                     ` Luck, Tony
2014-05-21 23:30                                       ` Linus Torvalds
2014-05-21 23:40                                         ` Luck, Tony
2014-05-21 23:51                                         ` Borislav Petkov
2014-05-22  0:03                                           ` Linus Torvalds
2014-05-22  8:50                                             ` Borislav Petkov
2014-05-22  0:05                                           ` Andy Lutomirski
2014-05-21 21:37             ` Linus Torvalds
2014-05-21 21:43               ` Borislav Petkov
2014-05-21 21:45                 ` H. Peter Anvin
2014-05-21 21:47                   ` Andy Lutomirski
2014-05-21 21:54                     ` Borislav Petkov
2014-05-21 22:00                       ` H. Peter Anvin
2014-05-21 22:11                         ` Borislav Petkov
2014-05-21 22:13                           ` H. Peter Anvin
2014-05-21 22:21                             ` Borislav Petkov
2014-05-26 10:18                             ` [PATCH] x86, MCE: Flesh out when to panic comment Borislav Petkov
2014-05-26 10:51                               ` Jiri Kosina
2014-05-26 11:06                                 ` Borislav Petkov
2014-05-26 16:47                                   ` Andy Lutomirski
2014-05-26 17:51                                     ` Borislav Petkov
2014-05-26 17:59                                       ` Andy Lutomirski
2014-05-27 21:53                                   ` Luck, Tony
2014-05-27 22:24                                     ` Borislav Petkov
2014-05-27 22:33                                       ` Luck, Tony
2014-05-21 21:50                   ` [RFC] x86_64: A real proposal for iret-less return to kernel Jiri Kosina
2014-05-21 18:11 ` Andy Lutomirski
2014-05-21 22:36   ` H. Peter Anvin
2014-05-21 22:41     ` Andy Lutomirski
2014-05-21 23:03       ` H. Peter Anvin
2014-05-21 22:25 ` Andi Kleen
2014-05-21 22:32   ` Andy Lutomirski
2014-05-21 22:33   ` Linus Torvalds
2014-05-21 23:23     ` Andi Kleen
2014-05-21 23:34       ` Linus Torvalds

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