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Re: [patch]x86: avoid unnecessary tlb flush

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From: H. Peter Anvin
Subject: Re: [patch]x86: avoid unnecessary tlb flush
Date: Friday, August 13, 2010 - 2:08 pm

On 08/13/2010 12:29 PM, Hugh Dickins wrote:

Andrea is probably on his way back from LinuxCon, but looking at the
original patch it might be something that non-x86 architectures need,
but which can be optimized specifically on x86, since x86 has explicit
"no flush needed when going to more permissive" semantics.

	-hpa
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Messages in current thread:
[patch]x86: avoid unnecessary tlb flush, Shaohua Li, (Thu Aug 5, 8:28 pm)
Re: [patch]x86: avoid unnecessary tlb flush, Andrew Morton, (Thu Aug 5, 10:19 pm)
Re: [patch]x86: avoid unnecessary tlb flush, Shaohua Li, (Thu Aug 12, 5:47 pm)
Re: [patch]x86: avoid unnecessary tlb flush, Hugh Dickins, (Fri Aug 13, 12:29 pm)
Re: [patch]x86: avoid unnecessary tlb flush, H. Peter Anvin, (Fri Aug 13, 2:08 pm)
Re: [patch]x86: avoid unnecessary tlb flush, Suresh Siddha, (Fri Aug 13, 4:00 pm)
Re: [patch]x86: avoid unnecessary tlb flush, Shaohua Li, (Sun Aug 15, 6:16 pm)
Re: [patch]x86: avoid unnecessary tlb flush, Shaohua Li, (Sun Aug 22, 5:43 pm)
[tip:x86/mm] x86, mm: Avoid unnecessary TLB flush, tip-bot for Shaohua Li, (Mon Aug 23, 10:57 am)