From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org, Hugh Dickins <hugh@veritas.com>,
Nick Piggin <npiggin@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Wu Fengguang <fengguang.wu@intel.com>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: handle_mm_fault() calling convention cleanup..
Date: Sun, 05 Jul 2009 07:08:38 +1000 [thread overview]
Message-ID: <1246741718.7551.22.camel@pasglop> (raw)
In-Reply-To: <alpine.LFD.2.01.0907040937040.3210@localhost.localdomain>
On Sat, 2009-07-04 at 09:44 -0700, Linus Torvalds wrote:
> Just a tiny word of warning: right now, the conversion I did pretty much
> depended on the fact that even if I missed a spot, it wouldn't actually
> make any difference. If somebody used "flags" as a binary value (ie like
> the old "write_access" kind of semantics), things would still all work,
> because it was still a "zero-vs-nonzero" issue wrt writes.
.../...
Right. Oh well.. we'll see when I get to it. I have a few higher
priority things on my pile at the moment.
Cheers,
Ben.
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WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org, Hugh Dickins <hugh@veritas.com>,
Nick Piggin <npiggin@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Wu Fengguang <fengguang.wu@intel.com>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: handle_mm_fault() calling convention cleanup..
Date: Sun, 05 Jul 2009 07:08:38 +1000 [thread overview]
Message-ID: <1246741718.7551.22.camel@pasglop> (raw)
Message-ID: <20090704210838.JAo5geU3LeKnOBq0S8UC8OAzSNXuFIJxYf0AWUn8Nv4@z> (raw)
In-Reply-To: <alpine.LFD.2.01.0907040937040.3210@localhost.localdomain>
On Sat, 2009-07-04 at 09:44 -0700, Linus Torvalds wrote:
> Just a tiny word of warning: right now, the conversion I did pretty much
> depended on the fact that even if I missed a spot, it wouldn't actually
> make any difference. If somebody used "flags" as a binary value (ie like
> the old "write_access" kind of semantics), things would still all work,
> because it was still a "zero-vs-nonzero" issue wrt writes.
.../...
Right. Oh well.. we'll see when I get to it. I have a few higher
priority things on my pile at the moment.
Cheers,
Ben.
next prev parent reply other threads:[~2009-07-04 21:08 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-21 20:42 handle_mm_fault() calling convention cleanup Linus Torvalds
2009-06-21 20:42 ` Linus Torvalds
2009-06-22 2:20 ` David Miller
2009-06-22 2:20 ` David Miller
2009-06-22 8:10 ` Ingo Molnar
2009-06-22 8:10 ` Ingo Molnar
2009-06-22 9:26 ` Martin Schwidefsky
2009-06-22 9:26 ` Martin Schwidefsky
2009-06-22 14:22 ` David Howells
2009-06-22 14:22 ` David Howells
2009-06-22 14:58 ` James Bottomley
2009-06-22 14:58 ` James Bottomley
2009-06-22 15:49 ` Russell King
2009-06-22 15:49 ` Russell King
2009-06-23 7:18 ` Nick Piggin
2009-06-23 7:18 ` Nick Piggin
2009-06-23 12:49 ` [PATCH] hugetlb: fault flags instead of write_access Hugh Dickins
2009-06-23 12:56 ` Wu Fengguang
2009-06-23 21:36 ` Rik van Riel
2009-06-29 12:29 ` Mel Gorman
2009-06-23 12:52 ` [PATCH] mm: don't rely on flags coincidence Hugh Dickins
2009-06-23 13:00 ` Wu Fengguang
2009-06-23 21:38 ` Rik van Riel
2009-07-03 23:35 ` handle_mm_fault() calling convention cleanup Benjamin Herrenschmidt
2009-07-03 23:35 ` Benjamin Herrenschmidt
2009-07-04 16:44 ` Linus Torvalds
2009-07-04 16:44 ` Linus Torvalds
2009-07-04 21:08 ` Benjamin Herrenschmidt [this message]
2009-07-04 21:08 ` Benjamin Herrenschmidt
2009-07-06 7:31 ` Nick Piggin
2009-07-06 7:31 ` Nick Piggin
2009-07-06 10:56 ` Benjamin Herrenschmidt
2009-07-06 10:56 ` Benjamin Herrenschmidt
2009-07-06 11:53 ` Nick Piggin
2009-07-06 11:53 ` Nick Piggin
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