From: "H. Peter Anvin" <hpa@zytor.com>
To: Borislav Petkov <bp@suse.de>
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org,
ricardo.neri-calderon@linux.intel.com, tglx@linutronix.de,
matt.fleming@intel.com, linux-tip-commits@vger.kernel.org
Subject: Re: [tip:x86/efi] x86/efi: Check for unsafe dealing with FPU state in irq ctxt
Date: Wed, 04 Jun 2014 15:52:34 -0700 [thread overview]
Message-ID: <538FA332.4000602@zytor.com> (raw)
In-Reply-To: <20140604224920.GB4126@pd.tnic>
On 06/04/2014 03:49 PM, Borislav Petkov wrote:
> On Wed, Jun 04, 2014 at 03:17:30PM -0700, H. Peter Anvin wrote:
>> I seem to have lost track of this... does this actually solve
>> anything, or does it just mean we'll explode hard?
>
> Not that hard - it'll warn once only.
>
> AFAIR, the discussion stalled but we were going in the direction of not
> calling into efi from pstore in irq context.
>
> I'd say we drop this until we have a proper solution.
>
Works for me.
-hpa
next prev parent reply other threads:[~2014-06-04 22:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <tip-baa916f39b50ad91661534652110df40396acda0@git.kernel.org>
2014-06-04 22:17 ` [tip:x86/efi] x86/efi: Check for unsafe dealing with FPU state in irq ctxt H. Peter Anvin
2014-06-04 22:49 ` Borislav Petkov
2014-06-04 22:52 ` H. Peter Anvin [this message]
2014-06-05 0:19 ` Andy Lutomirski
2014-06-05 7:18 ` Borislav Petkov
2014-06-05 8:49 ` Matt Fleming
2014-06-05 9:02 ` Borislav Petkov
2014-06-05 15:44 ` Andy Lutomirski
2014-06-05 15:53 ` Borislav Petkov
2014-06-05 16:01 ` Andy Lutomirski
2014-06-05 16:08 ` Borislav Petkov
2014-06-05 16:14 ` Andy Lutomirski
2014-06-05 16:18 ` Borislav Petkov
2014-06-05 16:31 ` H. Peter Anvin
2014-06-05 16:35 ` Andy Lutomirski
2014-06-05 16:43 ` H. Peter Anvin
2014-06-05 16:37 ` Borislav Petkov
2014-06-05 16:43 ` H. Peter Anvin
2014-06-05 16:44 ` Borislav Petkov
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