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authorMaciej Sosnowski <maciej.sosnowski@intel.com>2009-02-02 23:26:57 -0800
committerDavid S. Miller <davem@davemloft.net>2009-02-02 23:26:57 -0800
commiteb4400e3a040b90a3ad805b01fcbc99a5f615c8f (patch)
tree07c71314d189e5d0688d97f1cd2b3b504eb4892b /include
parentff01b9163655ace76b29b7ff2f56b25c32f795da (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>
Diffstat (limited to 'include')
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