Re: [RFC PATCH REBASED 2/3] x86: Move fpu_counter into ARCH specific thread_struct

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* Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx> wrote:

> Only a couple of arches (sh/x86) use fpu_counter in task_struct so it
> can be moved out into ARCH specific thread_struct, reducing the size of
> task_struct for other arches.
> 
> Compile tested i386_defconfig + gcc 4.7.3
> 
> Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
> Cc: x86@xxxxxxxxxx
> Cc: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
> Cc: Borislav Petkov <bp@xxxxxxx>
> Cc: Vincent Palatin <vpalatin@xxxxxxxxxxxx>
> Cc: Len Brown <len.brown@xxxxxxxxx>
> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
> Cc: Pekka Riikonen <priikone@xxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Dave Jones <davej@xxxxxxxxxx>
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
>  arch/x86/include/asm/fpu-internal.h | 10 +++++-----
>  arch/x86/include/asm/processor.h    |  9 +++++++++
>  arch/x86/kernel/i387.c              |  2 +-
>  arch/x86/kernel/process_32.c        |  4 ++--
>  arch/x86/kernel/process_64.c        |  2 +-
>  arch/x86/kernel/traps.c             |  2 +-
>  6 files changed, 19 insertions(+), 10 deletions(-)

Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>

Thanks,

	Ingo
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