The patch titled
Convert drivers/char/agp/frontend.c to use unlocked_ioctl
has been added to the -mm tree. Its filename is
convert-drivers-char-agp-frontendc-to-use-unlocked_ioctl.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: Convert drivers/char/agp/frontend.c to use unlocked_ioctl
From: Mathieu Segaud <mathieu.segaud@xxxxxxxxx>
As of now, agp_compat_ioctl already runs without the BKL. Mutual exclusion
is enforced by agp_fe.agp_mutex in agp_ioctl() and agp_compat_ioctl().
Apply the same locking rationale to the two functions allowing BKL cleanup.
Signed-off-by: Mathieu Segaud <mathieu.segaud@xxxxxxxxx>
Cc: Dave Airlie <airlied@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/agp/frontend.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/char/agp/frontend.c~convert-drivers-char-agp-frontendc-to-use-unlocked_ioctl drivers/char/agp/frontend.c
--- a/drivers/char/agp/frontend.c~convert-drivers-char-agp-frontendc-to-use-unlocked_ioctl
+++ a/drivers/char/agp/frontend.c
@@ -967,7 +967,7 @@ int agpioc_chipset_flush_wrap(struct agp
return 0;
}
-static int agp_ioctl(struct inode *inode, struct file *file,
+static long agp_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
struct agp_file_private *curr_priv = file->private_data;
@@ -1058,7 +1058,7 @@ static const struct file_operations agp_
.llseek = no_llseek,
.read = agp_read,
.write = agp_write,
- .ioctl = agp_ioctl,
+ .unlocked_ioctl = agp_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = compat_agp_ioctl,
#endif
_
Patches currently in -mm which might be from mathieu.segaud@xxxxxxxxx are
origin.patch
convert-drivers-char-agp-frontendc-to-use-unlocked_ioctl.patch
-
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