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| author | Maciej Sosnowski <maciej.sosnowski@intel.com> | 2009-02-02 23:26:57 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-02 23:26:57 -0800 |
| commit | eb4400e3a040b90a3ad805b01fcbc99a5f615c8f (patch) | |
| tree | 07c71314d189e5d0688d97f1cd2b3b504eb4892b /kernel/user.c | |
| parent | ff01b9163655ace76b29b7ff2f56b25c32f795da (diff) | |
| download | op-kernel-dev-eb4400e3a040b90a3ad805b01fcbc99a5f615c8f.zip op-kernel-dev-eb4400e3a040b90a3ad805b01fcbc99a5f615c8f.tar.gz | |
dca: redesign locks to fix deadlocks
Change spin_locks to irqsave to prevent dead-locks.
Protect adding and deleting to/from dca_providers list.
Drop the lock during dca_sysfs_add_req() and dca_sysfs_remove_req() calls
as they might sleep (use GFP_KERNEL allocation).
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/user.c')
0 files changed, 0 insertions, 0 deletions
