linux-kernel - Re: DAX filesystem support on ARMv8

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Message-ID: <20191112094954.GC1241@quack2.suse.cz>
Date:   Tue, 12 Nov 2019 10:49:54 +0100
From:   Jan Kara <jack@...e.cz>
To:     Bharat Kumar Gogada <bharatku@...inx.com>
Cc:     "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "willy@...radead.org" <willy@...radead.org>,
        "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
        "jack@...e.cz" <jack@...e.cz>,
        Dan Williams <dan.j.williams@...el.com>
Subject: Re: DAX filesystem support on ARMv8

Hi!

On Tue 12-11-19 02:12:09, Bharat Kumar Gogada wrote:
> As per Documentation/filesystems/dax.txt
> 
> The DAX code does not work correctly on architectures which have virtually
> mapped caches such as ARM, MIPS and SPARC.
> 
> Can anyone please shed light on dax filesystem issue w.r.t ARM architecture ? 

I've CCed Dan, he might have idea what that comment means :)

Out of curiosity, why do you care?

								Honza

-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR