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(parent: 37e3a6a) | patch
[S390] Fix kernel preemption.
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Tue, 20 Nov 2007 10:13:35 +0000 (11:13 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 20 Nov 2007 10:13:46 +0000 (11:13 +0100)
commitb8e7a54cd06b0b0174029ef3a7f5a1415a2c28f2
treee42beedde089c3aabe9df1537ad687f2756a69actree | snapshot (tar.gz zip)
parent37e3a6ac5a30468021a2f366e497d455bbcb5d21commit | diff
[S390] Fix kernel preemption.

When returning from IRQ handling and TIF_NEED_RESCHED is set we must
call preempt_schedule_irq() instead of schedule().
Otherwise the BKL might be unlocked in schedule() and therfore
everything that relies on the BKL is broken.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/entry.S diff | blob | blame | history
arch/s390/kernel/entry64.S diff | blob | blame | history