original_kernel/include/asm-s390
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>
2008-01-26 14:11:31 +01:00
..
Kbuild
a.out.h
airq.h [S390] cio: Extend adapter interrupt interface. 2008-01-26 14:11:00 +01:00
appldata.h
atomic.h
auxvec.h
bitops.h forbid asm/bitops.h direct inclusion 2007-10-19 11:53:41 -07:00
bug.h
bugs.h
byteorder.h
cache.h [S390] Get rid of ARCH_KMALLOC_MINALIGN. 2007-10-12 16:13:07 +02:00
cacheflush.h
ccwdev.h [S390] cio: Introduce ccw_bus_type.shutdown. 2007-10-12 16:13:01 +02:00
ccwgroup.h [S390] cio: Add docbook comments. 2007-10-12 16:12:59 +02:00
checksum.h
chpid.h
cio.h [S390] include/asm-s390/: Spelling fixes 2008-01-26 14:11:25 +01:00
cmb.h [S390] cio: Kerneldoc comments for cmf. 2007-10-12 16:12:59 +02:00
compat.h
cpcmd.h
cpu.h [S390] Add per-cpu idle time / idle count sysfs attributes. 2007-10-22 12:52:47 +02:00
cputime.h
current.h
dasd.h [S390] include/asm-s390/: Spelling fixes 2008-01-26 14:11:25 +01:00
debug.h
delay.h
device.h
diag.h
div64.h
dma.h
ebcdic.h
elf.h
emergency-restart.h
errno.h
etr.h
extmem.h
fb.h
fcntl.h
futex.h
hardirq.h
idals.h
io.h
ioctl.h
ioctls.h
ipcbuf.h
ipl.h [S390] Use diag308 subcodes 3 and 6 for reboot and dump when possible. 2008-01-26 14:11:24 +01:00
irq.h
irq_regs.h
irqflags.h
kdebug.h x86: optimize page faults like all other achitectures and kill notifier cruft 2007-10-16 09:42:50 -07:00
kexec.h
kmap_types.h
kprobes.h kprobes: support kretprobe blacklist 2007-10-16 09:43:10 -07:00
linkage.h
local.h
lowcore.h
mathemu.h
mman.h
mmu.h
mmu_context.h [S390] Fix tlb flushing with idte. 2008-01-26 14:11:10 +01:00
module.h
monwriter.h
msgbuf.h
mutex.h
namei.h
page.h [S390] 4level-fixup cleanup 2007-10-22 12:52:49 +02:00
param.h
pci.h
percpu.h
pgalloc.h [S390] 4level-fixup cleanup 2007-10-22 12:52:49 +02:00
pgtable.h [S390] Change vmalloc defintions 2008-01-26 14:11:12 +01:00
poll.h
posix_types.h
processor.h [S390] Unused field / extern declaration in processor.h 2008-01-26 14:11:29 +01:00
ptrace.h [S390] single-step cleanup 2008-01-26 14:11:27 +01:00
qdio.h [S390] include/asm-s390/: Spelling fixes 2008-01-26 14:11:25 +01:00
qeth.h
reset.h
resource.h
rwsem.h [S390] Use new style spinlock initializer in __RWSEM_INITIALIZER. 2008-01-26 14:11:15 +01:00
s390_ext.h [S390] remove packed attribute from ext_int_info_t. 2007-10-12 16:13:07 +02:00
s390_rdev.h
scatterlist.h Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
sclp.h [S390] Get rid of additional_cpus kernel parameter. 2008-01-26 14:11:15 +01:00
sections.h
segment.h
semaphore.h kill DECLARE_MUTEX_LOCKED 2007-10-17 08:42:47 -07:00
sembuf.h
setup.h
sfp-machine.h
sfp-util.h
shmbuf.h
shmparam.h
sigcontext.h
siginfo.h
signal.h
sigp.h
smp.h [S390] add smp_call_function_mask 2008-01-26 14:11:31 +01:00
socket.h
sockios.h
spinlock.h [S390] do local_irq_restore while spinning in spin_lock_irqsave. 2008-01-26 14:11:31 +01:00
spinlock_types.h [S390] Remove owner_pc member from raw_spinlock_t. 2008-01-26 14:11:14 +01:00
stat.h
statfs.h
string.h
suspend.h
system.h [S390] Fix irq tracing and lockdep_sys_exit calls. 2007-11-20 11:13:45 +01:00
tape390.h
termbits.h
termios.h
thread_info.h
timer.h
timex.h
tlb.h [S390] 4level-fixup cleanup 2007-10-22 12:52:49 +02:00
tlbflush.h [S390] Avoid warnings in tlblush.h 2008-01-26 14:11:11 +01:00
todclk.h
topology.h
types.h remove strict ansi check from __u64 in asm/types.h 2007-10-17 08:42:53 -07:00
uaccess.h
ucontext.h
unaligned.h
unistd.h
user.h
vtoc.h
xor.h
zcrypt.h [S390] include/asm-s390/: Spelling fixes 2008-01-26 14:11:25 +01:00