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Linus Torvalds 3dd2ee4824 bit_spinlock: don't play preemption games inside the busy loop ...

When we are waiting for the bit-lock to be released, and are looping
over the 'cpu_relax()' should not be doing anything else - otherwise we
miss the point of trying to do the whole 'cpu_relax()'.

Do the preemption enable/disable around the loop, rather than inside of
it.

Noticed when I was looking at the code generation for the dcache
__d_drop usage, and the code just looked very odd.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2011-04-25 18:10:58 -07:00

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acpi

Fix common misspellings

2011-03-31 11:26:23 -03:00

asm-generic

Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6

2011-04-07 11:14:49 -07:00

crypto

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drm

Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6

2011-04-07 11:14:49 -07:00

keys

libceph: Create a new key type "ceph".

2011-03-29 12:11:24 -07:00

linux

bit_spinlock: don't play preemption games inside the busy loop

2011-04-25 18:10:58 -07:00

math-emu

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media

Fix common misspellings

2011-03-31 11:26:23 -03:00

mtd

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net

net/9p: nwname should be an unsigned int

2011-04-15 15:26:15 -05:00

pcmcia

pcmcia: re-enable Zoomed Video support

2011-02-20 12:47:34 +01:00

rdma

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rxrpc

Fix common misspellings

2011-03-31 11:26:23 -03:00

scsi

Fix common misspellings

2011-03-31 11:26:23 -03:00

sound

Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6

2011-04-07 11:14:49 -07:00

staging

[media] Altera FPGA firmware download module

2011-03-21 20:32:16 -03:00

target

Fix common misspellings

2011-03-31 11:26:23 -03:00

trace

block: make unplug timer trace event correspond to the schedule() unplug

2011-04-16 13:51:05 +02:00

video

Fix common misspellings

2011-03-31 11:26:23 -03:00

xen

Fix common misspellings

2011-03-31 11:26:23 -03:00

Kbuild

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