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(parent: e1620fa) | patch
s390/pci: remove bit_lock usage in interrupt handler
authorSebastian Ott <sebott@linux.ibm.com>
Tue, 30 Oct 2018 13:04:46 +0000 (14:04 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 13 Dec 2018 09:42:25 +0000 (10:42 +0100)
commita5edc4a82ac8417a15bbe653ee4efae2716c3cd1
treea62624e2f1bfb99351c775f04dd1db04f2c59b32tree | snapshot
parente1620faa2854e22bec2fdb6ba0fd78c378a46080commit | diff
s390/pci: remove bit_lock usage in interrupt handler

The interrupt handler uses bit_spin_lock around a call to retrieve
per irq data (the irq number). However this per irq data is only
set during irq setup time and never changed until the irq is freed.

Thus it's safe to remove the lock usage.

Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/pci/pci.c diff | blob | history
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