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| author | Andy Lutomirski | 2017-09-07 04:54:54 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2017-09-07 05:12:57 +0200 |
| commit | 1c9fe4409ce3e9c78b1ed96ee8ed699d4f03bf33 (patch) | |
| tree | b0a9e9d2d4a7062dc6f20c463109af14e56c9c7e /fs/9p | |
| parent | x86/mm: Reinitialize TLB state on hotplug and resume (diff) | |
| download | kernel-qcow2-linux-1c9fe4409ce3e9c78b1ed96ee8ed699d4f03bf33.tar.gz kernel-qcow2-linux-1c9fe4409ce3e9c78b1ed96ee8ed699d4f03bf33.tar.xz kernel-qcow2-linux-1c9fe4409ce3e9c78b1ed96ee8ed699d4f03bf33.zip | |
x86/mm: Document how CR4.PCIDE restore works
While debugging a problem, I thought that using
cr4_set_bits_and_update_boot() to restore CR4.PCIDE would be
helpful. It turns out to be counterproductive.
Add a comment documenting how this works.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/9p')
0 files changed, 0 insertions, 0 deletions