Re: [PATCH][for 2.6.28] Remove -mno-spe flags as they dont belong

[Steven Rostedt]

Kumar Gala wrote:
> For some unknown reason at Steven Rostedt added in disabling of the SPE
> instruction generation for e500 based PPC cores in commit
> 6ec562328fda585be2d7f472cfac99d3b44d362a.
>   

The unknown reason was that my PPC64 failed to compile without it ;-) It 
was unknown because I forgot to mention that in the change log (my bad).

On Monday, I'll apply this patch and make sure that my PPC64 still compiles.

-- Steve

> We are removing it because:
>
> 1. It generates e500 kernels that don't work
> 2. its not the correct set of flags to do this
> 3. we handle this in the arch/powerpc/Makefile already
> 4. its unknown in talking to Steven why he did this
>
> Signed-off-by: Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx>
> ---
>  kernel/Makefile |    4 +---
>  1 files changed, 1 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/Makefile b/kernel/Makefile
> index 9a3ec66..19fad00 100644
> --- a/kernel/Makefile
> +++ b/kernel/Makefile
> @@ -11,8 +11,6 @@ obj-y     = sched.o fork.o exec_domain.o panic.o printk.o \
>  	    hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
>  	    notifier.o ksysfs.o pm_qos_params.o sched_clock.o
>  
> -CFLAGS_REMOVE_sched.o = -mno-spe
> -
>  ifdef CONFIG_FUNCTION_TRACER
>  # Do not trace debug files and internal ftrace files
>  CFLAGS_REMOVE_lockdep.o = -pg
> @@ -21,7 +19,7 @@ CFLAGS_REMOVE_mutex-debug.o = -pg
>  CFLAGS_REMOVE_rtmutex-debug.o = -pg
>  CFLAGS_REMOVE_cgroup-debug.o = -pg
>  CFLAGS_REMOVE_sched_clock.o = -pg
> -CFLAGS_REMOVE_sched.o = -mno-spe -pg
> +CFLAGS_REMOVE_sched.o = -pg
>  endif
>  
>  obj-$(CONFIG_FREEZER) += freezer.o
>   

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