Benjamin Herrenschmidt wrote:
> On Sat, 2007-09-15 at 11:00 -0400, Mathieu Desnoyers wrote:
>> * Benjamin Herrenschmidt ([email protected]) wrote:
>>> On Thu, 2007-09-13 at 15:17 -0700, Andrew Morton wrote:
>>>
>>>> Like this?
>>>>
>>>> --- a/include/asm-powerpc/bitops.h~powerpc-lock-bitops-fix
>>>> +++ a/include/asm-powerpc/bitops.h
>>>> @@ -226,7 +226,7 @@ static __inline__ void set_bits(unsigned
>>>>
>>>> static __inline__ void __clear_bit_unlock(int nr, volatile unsigned long *addr)
>>>> {
>>>> - __asm__ __volatile__(LWSYNC_ON_SMP ::: "memory");
>>>> + __asm__ __volatile__(LWSYNC_ON_SMP "" ::: "memory");
>>>> __clear_bit(nr, addr);
>>>> }
>>>>
>>> Looks ok. Can somebody test ? I'm still travelling...
>>>
>>>
>> Hi Benjamin,
>>
>> With this patch and hrtimer.c fixes, 2.6.23-rc4-mm1 PPC arch (for
>> powerpc 405) compiles fine.
>>
>> I still see errors/warnings from modpost though:
>
> Looks like the legacy ISA DMA crap no ? I don't know much about it.
>
> Ben.
>
Kamalesh has reported a similar bug and is looking to fix this problem.
He's been looking at Kconfig's to see that all of them either
depend on GENERIC_ISA_DMA or select it.
>> make -f /home/compudj/git/linux-2.6-lttng/scripts/Makefile.modpost
>> scripts/mod/modpost -m -o /home/compudj/obj/powerpc-405/Module.symvers -s
>> ERROR: "request_dma" [sound/oss/sscape.ko] undefined!
>> ERROR: "free_dma" [sound/oss/sscape.ko] undefined!
>> ERROR: "dma_spin_lock" [sound/oss/sscape.ko] undefined!
>> ERROR: "free_dma" [sound/oss/sound.ko] undefined!
>> ERROR: "request_dma" [sound/oss/sound.ko] undefined!
>> ERROR: "dma_spin_lock" [sound/oss/sound.ko] undefined!
>> ERROR: "dma_spin_lock" [sound/core/snd.ko] undefined!
>> ERROR: "dma_spin_lock" [net/irda/irda.ko] undefined!
>> WARNING: "div64_64" [net/ipv4/tcp_cubic.ko] has no CRC!
>> ERROR: "free_dma" [drivers/parport/parport_pc.ko] undefined!
>> ERROR: "request_dma" [drivers/parport/parport_pc.ko] undefined!
>> ERROR: "dma_spin_lock" [drivers/parport/parport_pc.ko] undefined!
>> ERROR: "request_dma" [drivers/net/irda/w83977af_ir.ko] undefined!
>> ERROR: "free_dma" [drivers/net/irda/w83977af_ir.ko] undefined!
>> ERROR: "request_dma" [drivers/net/irda/via-ircc.ko] undefined!
>> ERROR: "free_dma" [drivers/net/irda/via-ircc.ko] undefined!
>> ERROR: "request_dma" [drivers/net/irda/smsc-ircc2.ko] undefined!
>> ERROR: "free_dma" [drivers/net/irda/smsc-ircc2.ko] undefined!
>> ERROR: "free_dma" [drivers/net/irda/nsc-ircc.ko] undefined!
>> ERROR: "request_dma" [drivers/net/irda/nsc-ircc.ko] undefined!
>> ERROR: "free_dma" [drivers/net/irda/ali-ircc.ko] undefined!
>> ERROR: "request_dma" [drivers/net/irda/ali-ircc.ko] undefined!
>> ERROR: "request_dma" [drivers/mmc/host/wbsd.ko] undefined!
>> ERROR: "dma_spin_lock" [drivers/mmc/host/wbsd.ko] undefined!
>> ERROR: "free_dma" [drivers/mmc/host/wbsd.ko] undefined!
>>
>> Mathieu
>>
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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