From: David Miller <davem@davemloft.net>
From: Nick Piggin <npiggin@suse.de>
To: npiggin@suse.de
Cc: akpm@linux-foundation.org, shaggy@austin.ibm.com,
axboe@oracle.com, linux-mm@kvack.org, linux-arch@vger.kernel.org,
torvalds@linux-foundation.org
Subject: Re: [patch 1/2]: x86: implement pte_special
Date: Thu, 27 Mar 2008 21:09:10 -0700 (PDT)
Date: Fri, 28 Mar 2008 05:04:42 +0100 [thread overview]
Message-ID: <20080327.210910.101408473.davem@davemloft.net> (raw)
In-Reply-To: <20080328040442.GE8083@wotan.suse.de>
> BTW. if you are still interested, then the powerpc64 patch might be a
> better starting point for you. I don't know how the sparc tlb flush
> design looks like, but if it doesn't do a synchronous IPI to invalidate
> other threads, then you can't use the x86 approach.
I have soft bits available on sparc64, that's not my issue.
My issue is that if you implemented this differently, every platform
would get the optimization, without having to do anything special
at all, and I think that's such a much nicer way.
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next prev parent reply other threads:[~2008-03-28 4:09 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-28 2:54 [patch 0/2]: lockless get_user_pages patchset Nick Piggin
2008-03-28 2:55 ` [patch 1/2]: x86: implement pte_special Nick Piggin
2008-03-28 3:23 ` David Miller, Nick Piggin
2008-03-28 3:31 ` Nick Piggin
2008-03-28 3:44 ` David Miller, Nick Piggin
2008-03-28 4:04 ` Nick Piggin
2008-03-28 4:09 ` David Miller, Nick Piggin [this message]
2008-03-28 4:15 ` Nick Piggin
2008-03-28 4:16 ` David Miller, Nick Piggin
2008-03-28 4:19 ` Nick Piggin
2008-03-28 4:17 ` Nick Piggin
2008-03-28 3:00 ` [patch 2/2]: introduce fast_gup Nick Piggin
2008-03-28 10:01 ` Jens Axboe
2008-04-17 15:03 ` Peter Zijlstra
2008-04-17 15:25 ` Linus Torvalds
2008-04-17 16:12 ` Peter Zijlstra
2008-04-17 16:18 ` Linus Torvalds
2008-04-17 16:35 ` Peter Zijlstra
2008-04-17 16:40 ` Linus Torvalds
2008-04-17 17:23 ` Peter Zijlstra
2008-04-17 18:28 ` Linus Torvalds
2008-04-22 3:14 ` Nick Piggin
2008-04-18 6:31 ` Geert Uytterhoeven
2008-04-18 14:40 ` Linus Torvalds
2008-04-18 9:58 ` Jeremy Fitzhardinge
2008-04-21 12:00 ` Avi Kivity
2008-04-21 12:30 ` Peter Zijlstra
2008-04-21 13:26 ` Avi Kivity
2008-04-21 14:35 ` Peter Zijlstra
2008-04-22 3:23 ` Nick Piggin
2008-04-22 7:19 ` Avi Kivity
2008-04-22 8:07 ` Ingo Molnar
2008-04-22 9:42 ` Peter Zijlstra
2008-04-22 9:46 ` Nick Piggin
2008-05-14 18:33 ` Dave Kleikamp
2008-05-15 1:13 ` Nick Piggin
-- strict thread matches above, loose matches on Subject: below --
2008-05-21 11:59 [patch 1/2] x86: implement pte_special Nick Piggin
2008-05-25 14:48 Nick Piggin
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