diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2026-04-07 14:45:22 +0800 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2026-05-19 10:38:19 +0200 |
| commit | 9785df3fd67083ac10f6bde83a316286044a66f1 (patch) | |
| tree | 1de18ca8572720444a1fd8c87ca5675af19e9980 /include | |
| parent | 5200f5f493f79f14bbdc349e402a40dfb32f23c8 (diff) | |
iommu/vt-d: Simplify calculate_psi_aligned_address()
This is doing far too much math for the simple task of finding a
power of 2 that fully spans the given range. Use fls directly on
the xor which computes the common binary prefix.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/0-v2-895748900b39+5303-iommupt_inv_vtd_jgg@nvidia.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions