Re: New version of pageattr caching conflict fix for 2.4

From: Andrea Arcangeli (
Date: Thu Jun 13 2002 - 23:00:25 EST

On Thu, Jun 13, 2002 at 09:37:24PM -0400, Benjamin LaHaise wrote:
> On Fri, Jun 14, 2002 at 03:24:29AM +0200, Andi Kleen wrote:
> > > This version is missing a few of the fixes included in my version:
> > > it doesn't properly flush global tlb entries, or update the page
> >
> > Sure it does. INVLPG (__flush_tlb_one) flushes global entries.
> It failed to do so in my testing. The only safe way of flushing

just a fast comment on this bit: x86 specs state invlpg must flush
global entries from the tlb too, see also the kmap_prot as pratical

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