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authorHelmut Schaa <[email protected]>2011-03-03 19:45:16 +0100
committerJohn W. Linville <[email protected]>2011-03-04 14:06:48 -0500
commit0aa13b2e06fbb8327c7acb4ccf684b2b65c302ce (patch)
tree2393be04e8ea1015a8a67b52eaa13b33204aa532 /tools/perf/scripts/python/failed-syscalls-by-pid.py
parent567108ebd352f21640c536ea3b39584f9e7c28f8 (diff)
rt2x00: Revise irqmask locking for PCI devices
The PCI device irqmask is locked by a spin_lock. Currently spin_lock_irqsave is used everywhere. To reduce the locking overhead replace spin_lock_irqsave in hard irq context with spin_lock and in soft irq context with spin_lock_irq. Signed-off-by: Helmut Schaa <[email protected]> Signed-off-by: Ivo van Doorn <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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