Messages in this thread | | | Subject | Re: [PATCH] X86: MM: Add PAT Type write-through in combination with mtrr | From | "H. Peter Anvin" <> | Date | Mon, 28 Oct 2013 03:31:58 -0700 |
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Sort of; the writes combine in the cache.
Borislav Petkov <bp@alien8.de> wrote: >On Mon, Oct 28, 2013 at 11:17:49AM +0100, Ingo Molnar wrote: >> And regular write-back cacheable isn't sufficient because the CPU >> could do things like prefetch your range automatically? > >Yeah, he's doing a CLFLUSH anyway which basically makes it a >write-through...
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