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Re: flush_kernel_vmap_range() invalidate_kernel_vmap_range() API not exi

To: Ralf Baechle <ralf@linux-mips.org>
Subject: Re: flush_kernel_vmap_range() invalidate_kernel_vmap_range() API not exists for MIPS
From: naveen yadav <yad.naveen@gmail.com>
Date: Wed, 15 Jun 2011 11:58:24 +0530
Cc: linux-mips@linux-mips.org, Christoph Hellwig <hch@lst.de>
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In-reply-to: <20110325172709.GC8483@linux-mips.org>
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Dear Ralf Baechle,

I have made one patch for below API's for 2.6.35.9 kernel. Pls provide
me your feedback about this .

Regards

On Fri, Mar 25, 2011 at 10:57 PM, Ralf Baechle <ralf@linux-mips.org> wrote:
> On Fri, Mar 25, 2011 at 02:38:13PM +0530, naveen yadav wrote:
>
>> We are working on 2.6.35.9 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
>

Attachment: mips_dma_api.patch
Description: Binary data

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