diff options
| author | Takashi Iwai <tiwai@suse.de> | 2014-05-06 17:52:26 +0200 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-11-21 14:27:00 +0100 |
| commit | 037e69291b28bb3c7ac303c8d743fca393a5532e (patch) | |
| tree | 0ac0eb00310b841784da9c021bb8162fb17a08d8 | |
| parent | f96abf0060149fbc2093c2de7f4dae9fbff20694 (diff) | |
pvpanic: Set high notifier priority
commit 7939831eacd81fccbd7a956b30c7bb3abb9079db upstream.
We've observed the missing pvpanic call at panic, and it turned out
that this was blocked by the broken notifier of drm_fb_helper, where
scheduling may be called during switching to the fb console.
It's fairly difficult to fix the drm_fb problem and a quick fix isn't
foreseen, a simpler solution for the missing pvpanic call would be
just to call this earlier.
In order to assure that, this patch sets a higher priority to pvpanic
notifier_block. Once when the issue of drm_fb is resolved, we can
remove this priority again.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
| -rw-r--r-- | drivers/platform/x86/pvpanic.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/platform/x86/pvpanic.c b/drivers/platform/x86/pvpanic.c index 47ae0c47d4b5..469e182c5461 100644 --- a/drivers/platform/x86/pvpanic.c +++ b/drivers/platform/x86/pvpanic.c @@ -71,6 +71,7 @@ pvpanic_panic_notify(struct notifier_block *nb, unsigned long code, static struct notifier_block pvpanic_panic_nb = { .notifier_call = pvpanic_panic_notify, + .priority = 1, /* let this called before broken drm_fb_helper */ }; |