On Friday 07 September 2007 09:00, Andrew Morton wrote:
> > On Thu, 6 Sep 2007 14:40:11 -0400 Mathieu Desnoyers
> > <[EMAIL PROTECTED]> wrote: Hi Andrew,
> >
> > Guess what, another one ;)
> >
> >
> > /opt/crosstool/gcc-4.1.1-glibc-2.3.6/powerpc-405-linux-gnu/bin/powerpc-40
> >5-linux-gnu-gcc -m32 -Wp,-MD,arch/ppc/kernel/.asm-offsets.s.d -nostdinc
> > -isystem
> > /opt/crosstool/gcc-4.1.1-glibc-2.3.6/powerpc-405-linux-gnu/lib/gcc/powerp
> >c-405-linux-gnu/4.1.1/include -D__KERNEL__ -Iinclude -Iinclude2
> > -I/home/compudj/git/linux-2.6-lttng/include -include
> > include/linux/autoconf.h -Iarch/ppc -Iarch/ppc/include
> > -I/home/compudj/git/linux-2.6-lttng/. -I. -Wall -Wundef
> > -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common
> > -Werror-implicit-function-declaration -Os
> > -I/home/compudj/git/linux-2.6-lttng/arch/ppc -Iarch/ppc -msoft-float
> > -pipe -ffixed-r2 -mmultiple -mno-altivec -mstring -Wa,-m405
> > -fomit-frame-pointer -g -fno-stack-protector
> > -Wdeclaration-after-statement -Wno-pointer-sign -D"KBUILD_STR(s)=#s"
> > -D"KBUILD_BASENAME=KBUILD_STR(asm_offsets)"
> > -D"KBUILD_MODNAME=KBUILD_STR(asm_offsets)" -fverbose-asm -S -o
> > arch/ppc/kernel/asm-offsets.s /home/compudj/git/linux-2.6-lttng/arc!
>
> h/ppc/kernel/asm-offsets.c
>
> > In file included from
> > /home/compudj/git/linux-2.6-lttng/include/linux/bitops.h:17, from
> > /home/compudj/git/linux-2.6-lttng/include/linux/kernel.h:15, from
> > include2/asm/system.h:7,
> > from
> > /home/compudj/git/linux-2.6-lttng/include/linux/list.h:9, from
> > /home/compudj/git/linux-2.6-lttng/include/linux/signal.h:8, from
> > /home/compudj/git/linux-2.6-lttng/arch/ppc/kernel/asm-offsets.c:11:
> > arch/ppc/include/asm/bitops.h: In function '__clear_bit_unlock':
> > arch/ppc/include/asm/bitops.h:229: error: expected string literal before
> > ':' token arch/ppc/include/asm/bitops.h:229: confused by earlier errors,
> > bailing out make[2]: *** [arch/ppc/kernel/asm-offsets.s] Error 1
> > make[1]: *** [prepare0] Error 2
> > make: *** [_all] Error 2
>
> What the heck is arch/ppc/include/asm/bitops.h? I assume that it's
> include/asm-powerpc/bitops.h via some wormhole.
>
>
> If so, the finger points at this:
>
> static __inline__ void __clear_bit_unlock(int nr, volatile unsigned long
> *addr) {
> __asm__ __volatile__(LWSYNC_ON_SMP ::: "memory");
> __clear_bit(nr, addr);
> }
>
> which was added by Nick's powerpc-lock-bitops.patch. I am suspecting that
> this isn't pp32 code?
Hmm, when LWSYNC_ON_SMP is a noop, it seems like it should probably
be an empty string instead of nothing? ("") That should make behaviour
more consistent I think.
Ben?
> (what's with the newly-added old-style __inline__, btw? That's just more
> stuff we need to clean up later, so there doesn't seem much point in adding
> it).
Consistency really. Otherwise people ask why I've done it differently :P I
don't suppose it makes a future cleanup any harder, while giving a better
result until then.
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