Re: [PATCH] Revert "[media] vb2: Push mmap_sem down to memops"

2015-06-19 Thread Hans Verkuil
On 06/18/2015 12:33 PM, Jan Kara wrote: > On Mon 15-06-15 09:24:55, Hans Verkuil wrote: >> This reverts commit 48b25a3a713b90988b6882d318f7c0a6bed9aabc. >> >> That commit caused two regressions. The first is a BUG: >> >> BUG: unable to handle kernel NULL pointer dereference at 0100 >> I

Re: [PATCH] Revert "[media] vb2: Push mmap_sem down to memops"

2015-06-18 Thread Jan Kara
On Thu 18-06-15 12:45:26, Hans Verkuil wrote: > On 06/18/2015 12:33 PM, Jan Kara wrote: > > On Mon 15-06-15 09:24:55, Hans Verkuil wrote: > >> This reverts commit 48b25a3a713b90988b6882d318f7c0a6bed9aabc. > >> > >> That commit caused two regressions. The first is a BUG: > >> > >> BUG: unable to han

Re: [PATCH] Revert "[media] vb2: Push mmap_sem down to memops"

2015-06-18 Thread Hans Verkuil
On 06/18/2015 12:33 PM, Jan Kara wrote: > On Mon 15-06-15 09:24:55, Hans Verkuil wrote: >> This reverts commit 48b25a3a713b90988b6882d318f7c0a6bed9aabc. >> >> That commit caused two regressions. The first is a BUG: >> >> BUG: unable to handle kernel NULL pointer dereference at 0100 >> I

Re: [PATCH] Revert "[media] vb2: Push mmap_sem down to memops"

2015-06-18 Thread Jan Kara
On Mon 15-06-15 09:24:55, Hans Verkuil wrote: > This reverts commit 48b25a3a713b90988b6882d318f7c0a6bed9aabc. > > That commit caused two regressions. The first is a BUG: > > BUG: unable to handle kernel NULL pointer dereference at 0100 > IP: [] __lock_acquire+0x2f0/0x2070 > PGD 0 > Oo

[PATCH] Revert "[media] vb2: Push mmap_sem down to memops"

2015-06-15 Thread Hans Verkuil
This reverts commit 48b25a3a713b90988b6882d318f7c0a6bed9aabc. That commit caused two regressions. The first is a BUG: Jun 14 18:42:15 test-media kernel: [ 115.972299] BUG: unable to handle kernel NULL pointer dereference at 0100 Jun 14 18:42:15 test-media kernel: [ 115.972307] IP: