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Re: [PATCH] bugfix dax fault page should be no cache

From Matthew Wilcox <willy@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH] bugfix dax fault page should be no cache
Date 2016-01-12 14:00 +0100
Message-ID <qQ6Ih-11c-5@gated-at.bofh.it> (permalink)
References <qPY81-3Kg-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, Jan 12, 2016 at 07:43:45PM +0800, chenjie6@huawei.com wrote:
> From: chenjie <chenjie6@huawei.com>
> 
> We show the pte: 
> 	*pte=01600000159c8fd3
> The page should be no_cache attr,it will be better. 

I disagree.  What data do you have to show that the WC attribute would
be better than WB?

Even if we agree to that, this is the wrong place to change that
attribute, so the patch is NAKed.  But you need more than "it will
be better".

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Thread

[PATCH] bugfix dax fault page should be no cache <chenjie6@huawei.com> - 2016-01-12 04:50 +0100
  Re: [PATCH] bugfix dax fault page should be no cache Matthew Wilcox <willy@linux.intel.com> - 2016-01-12 14:00 +0100
    Re: [PATCH] bugfix dax fault page should be no cache "Chenjie (K)" <chenjie6@huawei.com> - 2016-01-13 04:50 +0100
      Re: [PATCH] bugfix dax fault page should be no cache Matthew Wilcox <willy@linux.intel.com> - 2016-01-13 17:40 +0100

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