This is a note to let you know that I've just added the patch titled
swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
swiotlb-xen-pass-dev_addr-to-swiotlb_tbl_unmap_single.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 2c3fc8d26dd09b9d7069687eead849ee81c78e46 Mon Sep 17 00:00:00 2001
From: Stefano Stabellini <[email protected]>
Date: Fri, 21 Nov 2014 16:56:12 +0000
Subject: swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single
From: Stefano Stabellini <[email protected]>
commit 2c3fc8d26dd09b9d7069687eead849ee81c78e46 upstream.
Need to pass the pointer within the swiotlb internal buffer to the
swiotlb library, that in the case of xen_unmap_single is dev_addr, not
paddr.
Signed-off-by: Stefano Stabellini <[email protected]>
Acked-by: Konrad Rzeszutek Wilk <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/xen/swiotlb-xen.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -390,7 +390,7 @@ static void xen_unmap_single(struct devi
/* NOTE: We use dev_addr here, not paddr! */
if (is_xen_swiotlb_buffer(dev_addr)) {
- swiotlb_tbl_unmap_single(hwdev, paddr, size, dir);
+ swiotlb_tbl_unmap_single(hwdev, dev_addr, size, dir);
return;
}
Patches currently in stable-queue which might be from
[email protected] are
queue-3.10/swiotlb-xen-pass-dev_addr-to-swiotlb_tbl_unmap_single.patch
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