]> git.baikalelectronics.ru Git - kernel.git/commit
x86 mmiotrace: WARN_ONCE if dis/arming a page fails
authorStuart Bennett <stuart@freedesktop.org>
Fri, 30 Jan 2009 17:38:59 +0000 (17:38 +0000)
committerIngo Molnar <mingo@elte.hu>
Mon, 2 Mar 2009 09:20:35 +0000 (10:20 +0100)
commit74231daa74cca71afce20aed539f1be8e5898515
treebe77d162ae2179f604de9cc6fbc5ab5c9d89b3fe
parentdcf823ae87ae2bf7b840b992f686315aecf464c1
x86 mmiotrace: WARN_ONCE if dis/arming a page fails

Print a full warning once, if arming or disarming a page fails.

Also, if initial arming fails, do not handle the page further. This
avoids the possibility of a page failing to arm and then later claiming
to have handled any fault on that page.

WARN_ONCE added by Pekka Paalanen.

Signed-off-by: Stuart Bennett <stuart@freedesktop.org>
Signed-off-by: Pekka Paalanen <pq@iki.fi>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/mm/kmmio.c