diff options
| author | Pekka Paalanen <pq@iki.fi> | 2009-03-01 09:11:58 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-02 04:20:36 -0500 |
| commit | 5359b585fb5edb3db34d6cd491e1475b098c61d3 (patch) | |
| tree | c7b743a28a0561977777e8d30ef64ba70b745ef2 /arch/x86/mm/iomap_32.c | |
| parent | e9d54cae8f03e7f963a12f44bd50d68f49b9ea36 (diff) | |
x86 mmiotrace: fix save/restore page table state
From baa99e2b32449ec7bf147c234adfa444caecac8a Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Sun, 22 Feb 2009 20:02:43 +0200
Blindly setting _PAGE_PRESENT in disarm_kmmio_fault_page() overlooks the
possibility, that the page was not present when it was armed.
Make arm_kmmio_fault_page() store the previous page presence in struct
kmmio_fault_page and use it on disarm.
This patch was originally written by Stuart Bennett, but Pekka Paalanen
rewrote it a little different.
Signed-off-by: Pekka Paalanen <pq@iki.fi>
Cc: Stuart Bennett <stuart@freedesktop.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/iomap_32.c')
0 files changed, 0 insertions, 0 deletions