Re: flush_kernel_vmap_range() invalidate_kernel_vmap_range() API notexists for MIPS

From: naveen yadav
Date: Thu May 19 2011 - 00:35:49 EST

Hi Ralf,

Have you got time to look into this issue.


On Tue, Mar 29, 2011 at 11:24 AM, naveen yadav <yad.naveen@xxxxxxxxx> wrote:
> I am sorry, Yes they are VIPT,
> On Fri, Mar 25, 2011 at 10:57 PM, Ralf Baechle <ralf@xxxxxxxxxxxxxx> wrote:
>> On Fri, Mar 25, 2011 at 02:38:13PM +0530, naveen yadav wrote:
>>> We are working on linux kernel on MIPS 34kce core and our
>>> cache is VIVT having cache aliasing .
>> No, they're VIPT unless you successfully modified your 34K core to
>> change it from a less than perfect cache design to the most lunatic
>> cache policy known to man kind ...
>>> When I check the implementation on ARM I can check the implemenation
>>> exists , but there is not similar implementation exists on MIPS.
>>> These API's are used by XFS module:
>>> static inline void flush_kernel_vmap_range(void *vaddr, int size)
>>> static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
>>> static inline void flush_kernel_dcache_page(struct page *page)
>> A known problem for (too ...) long.  I'll finally take care of it.
>>  Ralf
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