On Fri, Apr 23, 2010 at 05:04:35PM -0500, Tseng-Hui (Frank) Lin wrote:
> Add Power7 icswx co-processor instruction support.
>
> Signed-off-by: Sonny Rao <sonny...@linux.vnet.ibm.com>
> Signed-off-by: Tseng-Hui (Frank) Lin <th...@linux.vnet.ibm.com>
> ---
> arch/powerpc/include/asm/mmu-hash64.h | 3 +
> arch/powerpc/include/asm/mmu_context.h | 4 ++
> arch/powerpc/include/asm/reg.h | 3 +
> arch/powerpc/mm/mmu_context_hash64.c | 79
> ++++++++++++++++++++++++++++++++
> 4 files changed, 89 insertions(+), 0 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/mmu-hash64.h
> b/arch/powerpc/include/asm/mmu-hash64.h
> index 2102b21..ba5727d 100644
> --- a/arch/powerpc/include/asm/mmu-hash64.h
> +++ b/arch/powerpc/include/asm/mmu-hash64.h
> @@ -421,6 +421,9 @@ typedef struct {
> #ifdef CONFIG_PPC_SUBPAGE_PROT
> struct subpage_prot_table spt;
> #endif /* CONFIG_PPC_SUBPAGE_PROT */
> + unsigned long acop;
> +#define HASH64_MAX_PID (0xFFFF)
> + unsigned int pid;
Way too generic a name. Please call it acop_pid or something similar.
Same with the define.
This is also growing the mm_struct by 16 bytes on all platforms, no
matter if the process in question is using the coprocessor or not.
-Olof
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