| commit | c9b6180dbf9ab3fef15ec5482997c99b0c762cd1 | [log] [tgz] |
|---|---|---|
| author | Christoph Hellwig <hch@lst.de> | Mon Aug 26 11:23:44 2019 +0200 |
| committer | Christoph Hellwig <hch@lst.de> | Wed Sep 11 12:43:27 2019 +0200 |
| tree | efa80f37e1046ae17172b1736b67c9f0b0aa5f23 | |
| parent | 922659ea771b3fd728149262c5ea15608fab9719 [diff] |
swiotlb-xen: use the same foreign page check everywhere xen_dma_map_page uses a different and more complicated check for foreign pages than the other three cache maintainance helpers. Switch it to the simpler pfn_valid method a well, and document the scheme with a single improved comment in xen_dma_map_page. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>