commit | eb4400e3a040b90a3ad805b01fcbc99a5f615c8f | [log] [tgz] |
---|---|---|
author | Maciej Sosnowski <maciej.sosnowski@intel.com> | Mon Feb 02 23:26:57 2009 -0800 |
committer | David S. Miller <davem@davemloft.net> | Mon Feb 02 23:26:57 2009 -0800 |
tree | 07c71314d189e5d0688d97f1cd2b3b504eb4892b | |
parent | ff01b9163655ace76b29b7ff2f56b25c32f795da [diff] |
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>