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Hisashi Hifumi 894cdde26b [S390] do local_irq_restore while spinning in spin_lock_irqsave. ... In s390's spin_lock_irqsave, interrupts remain disabled while spinning. In other architectures like x86 and powerpc, interrupts are re-enabled while spinning if IRQ is not masked before spin_lock_irqsave is called. The following patch re-enables interrupts through local_irq_restore while spinning for a lock acquisition. This can improve system response. [heiko.carstens@de.ibm.com: removed saving of pc] Signed-off-by: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		17 years ago
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Makefile	[S390] Bogomips calculation for 64 bit.	18 years ago
delay.c	[S390] prevent softirqs if delay is called disabled	18 years ago
div64.c	[S390]: Fix build on 31-bit.	18 years ago
qrnnd.S	[S390] Calibrate delay and bogomips.	18 years ago
spinlock.c	[S390] do local_irq_restore while spinning in spin_lock_irqsave.	17 years ago
string.c	[S390] Fix sparse warnings.	19 years ago
uaccess.h	[S390] Get rid of a lot of sparse warnings.	18 years ago
uaccess_mvcos.c	[S390] noexec protection	18 years ago
uaccess_pt.c	[S390] 4level-fixup cleanup	18 years ago
uaccess_std.c	[S390] Get rid of a lot of sparse warnings.	18 years ago