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authorHeiko Carstens <heiko.carstens@de.ibm.com>2008-08-01 16:39:11 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-08-01 16:39:30 +0200
commit934b2857cc576ae53c92a66e63fce7ddcfa74691 (patch)
tree4a8e261d16739624bb91ed9f56062ec5f7401227 /include/linux/page-flags.h
parent3a95e8eb34f595a0144adb6e5513d456319bd8a5 (diff)
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[S390] nohz/sclp: disable timer on synchronous waits.
sclp_sync_wait wait synchronously for an sclp interrupt and disables timer interrupts. However on the irq enter paths there is an extra check if a timer interrupt would be due and calls the timer callback. This would schedule softirqs in the wrong context. So introduce local_tick_enable/disable which prevents this. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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