Re: [v5][PATCH 2/6] powerpc/book3e: store critical/machine/debugexception thread info

From: Scott Wood
Date: Fri Oct 18 2013 - 18:43:43 EST


On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote:
> We need to store thread info to these exception thread info like something
> we already did for PPC32.
>
> Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxxxxxx>
> ---
> arch/powerpc/kernel/exceptions-64e.S | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
> index 4d8e57f..07cf657 100644
> --- a/arch/powerpc/kernel/exceptions-64e.S
> +++ b/arch/powerpc/kernel/exceptions-64e.S
> @@ -67,6 +67,18 @@
> std r10,PACA_##level##_STACK(r13);
> #endif
>
> +/* Store something to exception thread info */
> +#define BOOK3E_STORE_EXC_LEVEL_THEAD_INFO(type) \
> + ld r14,PACAKSAVE(r13); \
> + CURRENT_THREAD_INFO(r14, r14); \
> + CURRENT_THREAD_INFO(r15, r1); \
> + ld r10,TI_FLAGS(r14); \
> + std r10,TI_FLAGS(r15); \
> + ld r10,TI_PREEMPT(r14); \
> + std r10,TI_PREEMPT(r15); \
> + ld r10,TI_TASK(r14); \
> + std r10,TI_TASK(r15);

Where is "type" used?

BTW, no need for a BOOK3E prefix for things local to this file.

-Scott



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