diff options
| author | rnoland <rnoland@FreeBSD.org> | 2009-03-19 08:36:08 +0000 |
|---|---|---|
| committer | rnoland <rnoland@FreeBSD.org> | 2009-03-19 08:36:08 +0000 |
| commit | d310eb36e24eb1f3b0f9dafa1737acc0730a68fb (patch) | |
| tree | 772a5cba1bd5927ca7f41c3da21232e64218629e /sys/dev/drm/mga_irq.c | |
| parent | eadbcd8e34940289c31fa60ed3214922294094c4 (diff) | |
| download | FreeBSD-src-d310eb36e24eb1f3b0f9dafa1737acc0730a68fb.zip FreeBSD-src-d310eb36e24eb1f3b0f9dafa1737acc0730a68fb.tar.gz | |
Add some debugging so I can see when syscalls are being restarted
consistantly. After a lengthy irc discussion it seems like we
shouldn't need to worry about them, but it's nice to know about.
MFC after: 3 days
Diffstat (limited to 'sys/dev/drm/mga_irq.c')
| -rw-r--r-- | sys/dev/drm/mga_irq.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/drm/mga_irq.c b/sys/dev/drm/mga_irq.c index 005d43d..8e28987 100644 --- a/sys/dev/drm/mga_irq.c +++ b/sys/dev/drm/mga_irq.c @@ -139,6 +139,9 @@ int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence) (((cur_fence = atomic_read(&dev_priv->last_fence_retired)) - *sequence) <= (1 << 23))); + if (ret == -ERESTART) + DRM_DEBUG("restarting syscall\n"); + *sequence = cur_fence; return ret; |
