Re: [rfc][patch 2/3] x86: fix IO write barriers

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To: Dave Jones <davej@...>

Cc: Andi Kleen <ak@...>, Nick Piggin <npiggin@...>, Linux Kernel Mailing List <linux-kernel@...>, Linus Torvalds <torvalds@...>

Subject: Re: [rfc][patch 2/3] x86: fix IO write barriers

Date: Thursday, October 4, 2007 - 4:52 pm

>  > > "Worth about 10-20% performance" according to the 2.4.18pre9-ac4
quoted text>  > > release notes: http://www.linuxtoday.com/news_story.php3?ltsn=2002-02-14-015-20-NW-KN
>  > 
>  > Are there numbers for a newer kernel available too?
> 
> no idea, my winchips died about 5 years ago

Got a couple here just need a mainboard 8)
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Messages in current thread:

[rfc][patch 1/3] x86_64: fence nontemproal stores, Nick Piggin, (Thu Oct 4, 1:21 am)

[rfc][patch 3/3] x86: optimise barriers, Nick Piggin, (Thu Oct 4, 1:23 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Fri Oct 12, 4:25 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Linus Torvalds, (Fri Oct 12, 11:13 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Mon Oct 15, 3:44 am)

RE: [rfc][patch 3/3] x86: optimise barriers, David Schwartz, (Mon Oct 15, 10:38 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Nick Piggin, (Mon Oct 15, 4:09 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Mon Oct 15, 5:10 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Nick Piggin, (Mon Oct 15, 8:50 pm)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Tue Oct 16, 5:00 am)

Re: [rfc][patch 3/3] x86: optimise barriers, , (Tue Oct 16, 5:14 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Tue Oct 16, 8:49 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Mon Oct 15, 5:24 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Nick Piggin, (Fri Oct 12, 4:57 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Fri Oct 12, 5:55 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Nick Piggin, (Fri Oct 12, 6:42 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Fri Oct 12, 7:55 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Fri Oct 12, 8:10 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Helge Hafting, (Fri Oct 12, 4:42 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Fri Oct 12, 5:12 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Helge Hafting, (Fri Oct 12, 8:44 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Fri Oct 12, 9:29 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Helge Hafting, (Mon Oct 15, 6:17 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Mon Oct 15, 7:53 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Nick Piggin, (Fri Oct 12, 5:44 am)

Re: [rfc][patch 3/3] x86: optimise barriers, Jarek Poplawski, (Fri Oct 12, 6:04 am)

[rfc][patch 2/3] x86: fix IO write barriers, Nick Piggin, (Thu Oct 4, 1:22 am)

Re: [rfc][patch 2/3] x86: fix IO write barriers, Dave Jones, (Thu Oct 4, 1:32 pm)

Re: [rfc][patch 2/3] x86: fix IO write barriers, Andi Kleen, (Thu Oct 4, 1:53 pm)

Re: [rfc][patch 2/3] x86: fix IO write barriers, Dave Jones, (Thu Oct 4, 2:10 pm)

Re: [rfc][patch 2/3] x86: fix IO write barriers, Andi Kleen, (Thu Oct 4, 2:21 pm)

Re: [rfc][patch 2/3] x86: fix IO write barriers, Dave Jones, (Thu Oct 4, 2:41 pm)

Re: [rfc][patch 2/3] x86: fix IO write barriers, Andi Kleen, (Thu Oct 4, 2:58 pm)

Re: [rfc][patch 2/3] x86: fix IO write barriers, Dave Jones, (Thu Oct 4, 3:08 pm)

Re: [rfc][patch 2/3] x86: fix IO write barriers, Alan Cox, (Thu Oct 4, 4:52 pm)

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