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Re: [git pull] x86 fixes
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From:
H. Peter Anvin <hpa@...>
To: Andi Kleen <andi@...>
Cc: Krzysztof Halasa <khc@...>, Linus Torvalds <torvalds@...>, Ingo Molnar <mingo@...>, Arjan van de Ven <arjan@...>, x86 maintainers <x86@...>, Andrew Morton <akpm@...>, Linux Kernel Mailing List <linux-kernel@...>
Subject:
Re: [git pull] x86 fixes
Date: Tuesday, September 9, 2008 - 1:01 pm
Andi Kleen wrote:
quoted text
> Krzysztof Halasa <khc@pm.waw.pl> writes: > >> Linus Torvalds <torvalds@linux-foundation.org> writes: >> >>> - "modern 32-bit": PPro and better. Can take CMOV, MMX and TSC for >>> granted. >> VIA C3 (Samuel 2/Ezra, 600 - 1000 MHz?, common on VIA EPIA-*: home >> theatres etc) can't CMOV. > > AFAIK they fixed that in newer BIOS with a microcode update. It's > slow, but it works. >
Yes, but if it's slower than jmp+mov than you actively want to avoid it. -hpa --
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Messages in current thread:
[git pull] x86 fixes
, H. Peter Anvin
, (Mon Sep 8, 1:52 pm)
Re: [git pull] x86 fixes
, Linus Torvalds
, (Mon Sep 8, 2:04 pm)
Re: [git pull] x86 fixes
, Adrian Bunk
, (Tue Sep 9, 12:57 pm)
Re: [git pull] x86 fixes
, H. Peter Anvin
, (Tue Sep 9, 1:03 pm)
Re: [git pull] x86 fixes
, Adrian Bunk
, (Tue Sep 9, 1:43 pm)
Re: [git pull] x86 fixes
, H. Peter Anvin
, (Tue Sep 9, 2:12 pm)
Re: [git pull] x86 fixes
, H. Peter Anvin
, (Mon Sep 8, 2:22 pm)
Re: [git pull] x86 fixes
, Arjan van de Ven
, (Mon Sep 8, 2:46 pm)
Re: [git pull] x86 fixes
, Andi Kleen
, (Mon Sep 8, 6:43 pm)
Re: [git pull] x86 fixes
, H. Peter Anvin
, (Mon Sep 8, 2:51 pm)
Re: [git pull] x86 fixes
, Ingo Molnar
, (Mon Sep 8, 3:02 pm)
Re: [git pull] x86 fixes
,
, (Mon Sep 8, 4:25 pm)
Re: [git pull] x86 fixes
, Ingo Molnar
, (Tue Sep 9, 3:27 am)
Re: [git pull] x86 fixes
, Linus Torvalds
, (Mon Sep 8, 3:30 pm)
Re: [git pull] x86 fixes
, Adrian Bunk
, (Tue Sep 9, 12:05 pm)
Re: [git pull] x86 fixes
, Linus Torvalds
, (Tue Sep 9, 12:15 pm)
Re: [git pull] x86 fixes
, Krzysztof Halasa
, (Mon Sep 8, 7:17 pm)
Re: [git pull] x86 fixes
, Andi Kleen
, (Tue Sep 9, 6:24 am)
Re: [git pull] x86 fixes
, Mark Lord
, (Tue Sep 9, 1:17 pm)
Re: [git pull] x86 fixes
, Andi Kleen
, (Tue Sep 9, 2:40 pm)
Re: [git pull] x86 fixes
, Mark Lord
, (Tue Sep 9, 1:48 pm)
Re: [git pull] x86 fixes
, H. Peter Anvin
, (Tue Sep 9, 1:19 pm)
Re: [git pull] x86 fixes
, H. Peter Anvin
, (Tue Sep 9, 1:01 pm)
Re: [git pull] x86 fixes
, Linus Torvalds
, (Tue Sep 9, 10:54 am)
Re: [git pull] x86 fixes
, Arjan van de Ven
, (Mon Sep 8, 2:42 pm)
Re: [git pull] x86 fixes
, Arjan van de Ven
, (Mon Sep 8, 3:55 pm)
Re: [git pull] x86 fixes
, H. Peter Anvin
, (Mon Sep 8, 4:14 pm)
Re: [git pull] x86 fixes
, Linus Torvalds
, (Mon Sep 8, 2:17 pm)
Re: [git pull] x86 fixes
, Andi Kleen
, (Mon Sep 8, 6:42 pm)
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