On Thu, 2008-12-04 at 07:33 -0500, Josh Boyer wrote:
> On Thu, 04 Dec 2008 17:12:59 +1100
> Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
>
> > We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
> > these processors. The result is that update_mmu_cache() would flush
> > the cach
On Thu, 04 Dec 2008 17:12:59 +1100
Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
> We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
> these processors. The result is that update_mmu_cache() would flush
> the cache for all pages mapped to userspace which is totally
> unnecessar
We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
these processors. The result is that update_mmu_cache() would flush
the cache for all pages mapped to userspace which is totally
unnecessary on those processors since we already handle flushing
on execute in the page fault path.
Thi
On Wed, 2008-12-03 at 15:09 -0800, Trent Piepho wrote:
> #ifdef __powerpc64__
> #define LONG_ASM_CONST(x) ASM_CONST(x)
> #else
> #define LONG_ASM_CONST(x) 0
> #endif
>
> #define CPU_FTR_NOEXECUTE LONG_ASM_CONST(0x0008)
>
> Am I not looking at
On Tue, 2 Dec 2008, Benjamin Herrenschmidt wrote:
> On Tue, 2008-12-02 at 01:36 -0600, Kumar Gala wrote:
>
>>> #define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
>>> CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
>>> - CPU_FTR_UNIFIED_ID_CACHE)
>>> + CPU_FTR_
Kumar Gala wrote:
>
>
> On Dec 1, 2008, at 12:01 AM, Benjamin Herrenschmidt wrote:
>
>> We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
>> these processors. The result is that update_mmu_cache() would flush
>> the cache for all pages mapped to userspace which is totally
>> unne
On Tue, 2008-12-02 at 01:36 -0600, Kumar Gala wrote:
> > #define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
> > CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
> > - CPU_FTR_UNIFIED_ID_CACHE)
> > + CPU_FTR_UNIFIED_ID_CACHE | CPU_FTR_NOEXECUTE)
> > #define CPU
On Dec 1, 2008, at 12:01 AM, Benjamin Herrenschmidt wrote:
We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
these processors. The result is that update_mmu_cache() would flush
the cache for all pages mapped to userspace which is totally
unnecessary on those processors since we
We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
these processors. The result is that update_mmu_cache() would flush
the cache for all pages mapped to userspace which is totally
unnecessary on those processors since we already handle flushing
on execute in the page fault path.
Thi
