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From: Andi Kleen <andi@firstfloor.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Ingo Molnar <mingo@elte.hu>,
Suresh Siddha <suresh.b.siddha@intel.com>,
Christoph Hellwig <hch@infradead.org>,
hpa@zytor.com, tglx@linutronix.de, linux-kernel@vger.kernel.org,
Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [patch 2/2] x86, fpu: lazy allocation of FPU area - v3
Date: 06 Mar 2008 21:52:48 +0100 [thread overview]
Message-ID: <87r6enfucf.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20080306202446.GA4225@ucw.cz>
Pavel Machek <pavel@ucw.cz> writes:
>
> Well, we should not be sending SIGSEGV...? SIGBUS would be cleaner, or
> SIGKILL... what happens when userland tries to catch this one?
When this happens the kernel is already in a severe out of memory
situation and no matter what you do user land will not be able
to handle this well.
-Andi
next prev parent reply other threads:[~2008-03-06 20:53 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-03 23:02 [patch 1/2] x86, fpu: split FPU state from task struct " Suresh Siddha
2008-03-03 23:02 ` [patch 2/2] x86, fpu: lazy allocation of FPU area " Suresh Siddha
2008-03-04 1:20 ` Christoph Hellwig
2008-03-04 1:43 ` Suresh Siddha
2008-03-04 10:32 ` Ingo Molnar
2008-03-04 17:55 ` Suresh Siddha
2008-03-05 19:47 ` Pavel Machek
2008-03-06 15:51 ` Ingo Molnar
2008-03-06 19:10 ` Suresh Siddha
2008-03-06 20:24 ` Pavel Machek
2008-03-06 20:52 ` Andi Kleen [this message]
2008-03-07 12:29 ` H. Peter Anvin
2008-03-07 13:06 ` Arjan van de Ven
2008-03-07 13:18 ` Andi Kleen
2008-03-07 13:20 ` Arjan van de Ven
2008-03-07 13:27 ` Andi Kleen
2008-03-05 19:48 ` Pavel Machek
2008-03-06 19:26 ` Suresh Siddha
2008-03-06 21:21 ` Pavel Machek
2008-03-04 1:18 ` [patch 1/2] x86, fpu: split FPU state from task struct " Christoph Hellwig
2008-03-04 1:36 ` Suresh Siddha
2008-03-04 8:20 ` Ingo Molnar
2008-03-06 12:39 ` Christoph Hellwig
2008-03-04 10:28 ` Ingo Molnar
2008-03-04 17:59 ` Suresh Siddha
2008-03-04 20:53 ` Ingo Molnar
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