diff options
| author | Ingo Molnar <[email protected]> | 2015-07-31 10:23:35 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-07-31 10:23:35 +0200 |
| commit | 5b929bd11df23922daf1be5d52731cc3900c1d79 (patch) | |
| tree | 105fa5987b03c9f4e0260a9eb04dff7bb3d16839 /drivers/misc/mic/scif/scif_nodeqp.c | |
| parent | b2c51106c7581866c37ffc77c5d739f3d4b7cbc9 (diff) | |
| parent | 37868fe113ff2ba814b3b4eb12df214df555f8dc (diff) | |
Merge branch 'x86/urgent' into x86/asm, before applying dependent patches
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/misc/mic/scif/scif_nodeqp.c')
| -rw-r--r-- | drivers/misc/mic/scif/scif_nodeqp.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/misc/mic/scif/scif_nodeqp.c b/drivers/misc/mic/scif/scif_nodeqp.c index 41e3bdb10061..6dfdae3452d6 100644 --- a/drivers/misc/mic/scif/scif_nodeqp.c +++ b/drivers/misc/mic/scif/scif_nodeqp.c @@ -357,7 +357,7 @@ static void scif_p2p_freesg(struct scatterlist *sg) } static struct scatterlist * -scif_p2p_setsg(void __iomem *va, int page_size, int page_cnt) +scif_p2p_setsg(phys_addr_t pa, int page_size, int page_cnt) { struct scatterlist *sg; struct page *page; @@ -368,16 +368,11 @@ scif_p2p_setsg(void __iomem *va, int page_size, int page_cnt) return NULL; sg_init_table(sg, page_cnt); for (i = 0; i < page_cnt; i++) { - page = vmalloc_to_page((void __force *)va); - if (!page) - goto p2p_sg_err; + page = pfn_to_page(pa >> PAGE_SHIFT); sg_set_page(&sg[i], page, page_size, 0); - va += page_size; + pa += page_size; } return sg; -p2p_sg_err: - kfree(sg); - return NULL; } /* Init p2p mappings required to access peerdev from scifdev */ @@ -395,14 +390,14 @@ scif_init_p2p_info(struct scif_dev *scifdev, struct scif_dev *peerdev) p2p = kzalloc(sizeof(*p2p), GFP_KERNEL); if (!p2p) return NULL; - p2p->ppi_sg[SCIF_PPI_MMIO] = scif_p2p_setsg(psdev->mmio->va, + p2p->ppi_sg[SCIF_PPI_MMIO] = scif_p2p_setsg(psdev->mmio->pa, PAGE_SIZE, num_mmio_pages); if (!p2p->ppi_sg[SCIF_PPI_MMIO]) goto free_p2p; p2p->sg_nentries[SCIF_PPI_MMIO] = num_mmio_pages; sg_page_shift = get_order(min(psdev->aper->len, (u64)(1 << 30))); num_aper_chunks = num_aper_pages >> (sg_page_shift - PAGE_SHIFT); - p2p->ppi_sg[SCIF_PPI_APER] = scif_p2p_setsg(psdev->aper->va, + p2p->ppi_sg[SCIF_PPI_APER] = scif_p2p_setsg(psdev->aper->pa, 1 << sg_page_shift, num_aper_chunks); p2p->sg_nentries[SCIF_PPI_APER] = num_aper_chunks; |