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Re: [PATCH 09/11] xen/xenbus: use apply_to_page_range directly in xenbus_map_ring_pv
- To: Christoph Hellwig <hch@xxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
- From: boris.ostrovsky@xxxxxxxxxx
- Date: Thu, 24 Sep 2020 19:42:27 -0400
- Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>, Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>, Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>, Matthew Auld <matthew.auld@xxxxxxxxx>, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, Minchan Kim <minchan@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Nitin Gupta <ngupta@xxxxxxxxxx>, x86@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
- Delivery-date: Thu, 24 Sep 2020 23:43:16 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 9/24/20 9:58 AM, Christoph Hellwig wrote:
> Replacing alloc_vm_area with get_vm_area_caller + apply_page_range
> allows to fill put the phys_addr values directly instead of doing
> another loop over all addresses.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
-boris
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