It seems that the following commit causes a bunch of warnings out of
most of the files in the kernel tree (see below for examples). Backing
this out seems to cure them?
diff-tree 92934bcbf96bc9dc931c40ca5f1a57685b7b813b (from
636aab5ce332d88a76362797a55804c7da643467)`
tree eb9690ca6b23b5603429a8b3d290d6ca2545bcaf
parent 636aab5ce332d88a76362797a55804c7da643467
author Andi Kleen <[email protected]> 1137015752 +0100
committer Linus Torvalds <[email protected]> 1137034871 -0800
[PATCH] i386/x86-64: Use input/output dependencies for bitops
Noticed by Andreas Schwab
Signed-off-by: Andi Kleen <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Compiled with:
gcc version 3.3.4 (Debian 1:3.3.4-6sarge1)
-apw
CC arch/x86_64/kernel/process.o
include/asm/bitops.h: In function `default_idle':
include/asm/bitops.h:65: warning: read-write constraint does not allow a
register
include/asm/bitops.h:65: warning: read-write constraint does not allow a
register
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h: In function `cpu_idle_wait':
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h:65: warning: read-write constraint does not allow a
register
include/asm/bitops.h:65: warning: read-write constraint does not allow a
register
include/asm/bitops.h: In function `cpu_idle':
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h: In function `set_personality_64bit':
include/asm/bitops.h:65: warning: read-write constraint does not allow a
register
include/asm/bitops.h:65: warning: read-write constraint does not allow a
register
include/asm/bitops.h: In function `copy_thread':
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
include/asm/bitops.h:30: warning: read-write constraint does not allow a
register
CC arch/x86_64/kernel/signal.o
include/asm/bitops.h: In function `do_notify_resume':
include/asm/bitops.h:65: warning: read-write constraint does not allow a
register
include/asm/bitops.h:65: warning: read-write constraint does not allow a
register
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