On Mon, 2014-12-01 at 17:27 +0100, Joerg Roedel wrote:
On Wed, Nov 26, 2014 at 09:42:10AM +0800, Jiang Liu wrote:
There's an off-by-one bug in function __domain_mapping(), which may
trigger the BUG_ON(nr_pages lvl_pages) when
(nr_pages + 1) superpage_mask == 0
What is the
On Tue, Dec 02, 2014 at 10:34:35AM +, David Woodhouse wrote:
__domain_mapping() is an amalgamation of the old domain_pfn_mapping()
and domain_sg_mapping() functions. When I did that, in commit 9051aa026,
the 'sg_res' variable was used *only* for tracking how many pages were
left in the
On Wed, Nov 26, 2014 at 09:42:10AM +0800, Jiang Liu wrote:
There's an off-by-one bug in function __domain_mapping(), which may
trigger the BUG_ON(nr_pages lvl_pages) when
(nr_pages + 1) superpage_mask == 0
What is the superpage_mask?
The issue was introduced by commit 9051aa0268dc
There's an off-by-one bug in function __domain_mapping(), which may
trigger the BUG_ON(nr_pages lvl_pages) when
(nr_pages + 1) superpage_mask == 0
The issue was introduced by commit 9051aa0268dc intel-iommu: Combine
domain_pfn_mapping() and domain_sg_mapping(), which sets sg_res to
