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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	George Dunlap <george.dunlap@eu.citrix.com>,
	Tim Deegan <tim@xen.org>, Xen-devel <xen-devel@lists.xen.org>,
	JulienGrall <julien.grall@arm.com>
Subject: Re: [PATCH 1/2] x86/paging: Update paging_mark_dirty() to use mfn_t
Date: Wed, 14 Dec 2016 15:28:49 +0000	[thread overview]
Message-ID: <fb637b55-b6ec-7b99-bef0-31c2211391ce@citrix.com> (raw)
In-Reply-To: <58516FA302000078001294AA@prv-mh.provo.novell.com>

On 14/12/16 15:13, Jan Beulich wrote:
>>>> On 14.12.16 at 15:26, <andrew.cooper3@citrix.com> wrote:
>> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
>> ---
>> CC: Jan Beulich <JBeulich@suse.com>
>> CC: Tim Deegan <tim@xen.org>
>> CC: George Dunlap <george.dunlap@eu.citrix.com>
>> CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
>> CC: Stefano Stabellini <sstabellini@kernel.org>
>> CC: Julien Grall <julien.grall@arm.com>
>>
>> The one use of paging_mark_dirty() in common/tmem shows that TMEM currently
>> wont compile for ARM.
> I don't understand: It builds prior to this change, so why would it
> stop building afterwards? Without this remark I'd have given my
> R-b ...

Oh.  cli_{get,put}_page() are stubbed to ASSERT(0) on ARM, which
restricts the paging_mark_dirty() call to !ARM.

The history is weird here.  The last change here was you taking out the
__ia64__ code.

I can't work out why they should be stubbed separately; there is nothing
overly x86-specific in them.

Konrad: Any ideas?

~Andrew

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  reply	other threads:[~2016-12-14 15:28 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-14 14:26 [PATCH 1/2] x86/paging: Update paging_mark_dirty() to use mfn_t Andrew Cooper
2016-12-14 14:26 ` [PATCH 2/2] x86/paging: Rename paging_mark_pfn_dirty() and use pfn_t Andrew Cooper
2016-12-14 15:22   ` Jan Beulich
2016-12-14 15:30     ` Andrew Cooper
2016-12-20  5:08   ` Tian, Kevin
2016-12-14 15:13 ` [PATCH 1/2] x86/paging: Update paging_mark_dirty() to use mfn_t Jan Beulich
2016-12-14 15:28   ` Andrew Cooper [this message]
2016-12-14 15:48     ` Konrad Rzeszutek Wilk
2016-12-14 15:36 ` Tim Deegan

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