Linus Torvalds writes: (Summary) On Mon, Apr 2, 2018 at 10:27 AM, Dave Hansen
<dave.hansen@linux.intel.com> wrote:
I'm assuming this is a typo, and you mean "when CR4.PGE=0". The question you raise may be valid, but within the particular context of *this* patch it is not.
of *this* patch it is not.
In the context of this particular patch, the issue is that we use _PAGE_GLOBAL as _PAGE_BIT_PROTNONE when the present bit isn't set. Linus
Linus
Linus
<dave.hansen@linux.intel.com> wrote:
[...]
even go to the trouble of filtering it anywhere?I'm assuming this is a typo, and you mean "when CR4.PGE=0". The question you raise may be valid, but within the particular context of *this* patch it is not.
of *this* patch it is not.
In the context of this particular patch, the issue is that we use _PAGE_GLOBAL as _PAGE_BIT_PROTNONE when the present bit isn't set. Linus
Linus
Linus