Messages in this thread | | | Subject | Re: [GIT PULL] Additional x86 fixes for v3.8-rc1 | From | "H. Peter Anvin" <> | Date | Wed, 19 Dec 2012 13:33:40 -0800 |
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Well, A20 has been done inside the caches since 486, usually in the TLB. Nehalem finally killed off A20M.
You're not the only one surprised by this...
Linus Torvalds <torvalds@linux-foundation.org> wrote:
>On Wed, Dec 19, 2012 at 12:22 PM, H. Peter Anvin <hpa@linux.intel.com> >wrote: >> x86, 8042: Enable A20 using KBC to fix S3 resume on some MSI >laptops > >Christ really? What century are we in? There are still machines that >have A20 disabled at all, much less externally? How do they even do >that these days, afaik the CPU caches can't handle the fake aliasing >anyway.. > >Anyway, pulled, I just wanted to express my surprise.. > > Linus
-- Sent from my mobile phone. Please excuse brevity and lack of formatting.
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