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    SubjectRe: [git pull] x86 PAT changes
    Ingo Molnar wrote:
    > Linus, please pull the x86-pat git tree from:
    >
    > git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-pat.git for-linus
    >
    > this adds the second (and final) phase of the x86 PAT changes. Due to
    > generic impact (the drivers/char/mem.c and include/asm-generic/iomap.h
    > changes) this is offered as a separate tree.
    >
    > The new CONFIG_NONPROMISC_DEVMEM defaults to disabled so PAT will be
    > disabled, to stay compatible and to be a bit cautious/gradual.
    >

    Hi Ingo,

    When using an 64bit ( didn't got time to test 32bit now ) kernel[1] with PAT enabled , kvm-intel
    does not work anymore.

    When modprobing kvm-intel , kvm is saying VT extension is disable by BIOS which isn't true.
    When disabling PAT again ( no changes to BIOS ) kvm-intel works again here.

    Is that an known problem ?

    If you need more infos just let me know.

    Gabriel

    [1] 2.6.25-05096-gb1721d0-dirty
    with following patches :
    http://lkml.org/lkml/2008/4/26/37
    http://lkml.org/lkml/2008/4/26/24
    http://lkml.org/lkml/2008/4/25/107




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