From: Peter Zijlstra <peterz@infradead.org>
To: jim owens <jowens@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>, Avi Kivity <avi@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
David Howells <dhowells@redhat.com>,
lkml <linux-kernel@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>
Subject: Re: [RFC][PATCH] kmap_atomic_push
Date: Fri, 09 Oct 2009 00:32:30 +0200 [thread overview]
Message-ID: <1255041150.17055.24.camel@laptop> (raw)
In-Reply-To: <4ACE674E.30403@hp.com>
On Thu, 2009-10-08 at 18:27 -0400, jim owens wrote:
> So if I understand this correctly, the sequence:
>
> in = kmap_atomic(inpage, KM_USER1);
>
> out = kmap_atomic(outpage, KM_USER0);
>
> kunmap_atomic(in, KM_USER1);
>
> in = kmap_atomic(next_inpage, KM_USER1);
>
> is now illegal with this patch
Yep.
next prev parent reply other threads:[~2009-10-08 22:33 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-08 15:35 [RFC][PATCH] kmap_atomic_push Peter Zijlstra
2009-10-08 15:44 ` Linus Torvalds
2009-10-08 15:53 ` Ingo Molnar
2009-10-08 15:53 ` Ingo Molnar
2009-10-08 16:29 ` Peter Zijlstra
2009-10-08 16:29 ` Peter Zijlstra
2009-10-08 16:50 ` Linus Torvalds
2009-10-08 18:02 ` Hugh Dickins
2009-10-08 22:27 ` jim owens
2009-10-08 22:32 ` Peter Zijlstra [this message]
2009-10-08 22:57 ` Peter Zijlstra
2009-10-08 22:57 ` Peter Zijlstra
2009-10-09 12:15 ` jim owens
2009-10-09 12:15 ` jim owens
2009-10-08 22:12 ` David Howells
2009-10-08 22:12 ` David Howells
2009-10-08 22:29 ` Peter Zijlstra
2009-10-08 22:58 ` David Howells
2009-10-08 22:42 ` Peter Zijlstra
2009-10-12 18:10 ` Andi Kleen
2009-10-12 18:10 ` Andi Kleen
2009-10-12 18:30 ` Linus Torvalds
2009-10-12 18:40 ` Andi Kleen
2009-10-12 18:40 ` Andi Kleen
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