Re: [PATCH] Fix compilation of 2.6.16-rt13 real-time preemption patch on PowerPC

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* Walter L. Wimer III <[email protected]> wrote:

> The following patch corrects errors encountered when compiling the 
> 2.6.16-rt13 real-time preemption patch on the PowerPC architecture:
> 
>       * The INIT_FS and INIT_FILES macro definitions changed, but
>         corresponding changes to the calls were missed on PowerPC.
> 
>       * The new TIF_NEED_RESCHED_DELAYED definition caused an overflow
>         of a 16-bit immediate load field in several PowerPC
>         assembly-language instructions (e.g. in entry.S).  This patch
>         changes the definition of TIF_NEED_RESCHED_DELAYED from the
>         value 16 to the value 13 (which appears to have been previously
>         unused).  (All bits from 0 to 15 are now in use on PPC, so if
>         any new thread_info flags are needed, we'll have to actually fix
>         the PPC assembly code to deal with the resulting 32-bit
>         quantity.)
> 
>       * The file include/asm-powerpc/irqflags.h was missing completely
>         on PowerPC.  For now, I've supplied a stub file.  There is
>         currently no support for CONFIG_DEBUG_TRACE_IRQFLAGS.
> 
> Thanks go to Thomas Gleixner for his comments/suggestions on this 
> patch.
> 
> I've successfully built and test-booted this on an AMCC440EP "Bamboo" 
> board.

thanks, applied.

	Ingo
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