]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit06d5d547853eb5dfc7d8414a2d409e77a1b9e833
treea62624e2f1bfb99351c775f04dd1db04f2c59b32
parent6dbc04f1d66eaf1e6a2b50cfd59064ff9f78d1bd
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