2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-16 01:04:08 +08:00

iommu/amd: Move aperture_range.offset to another cache-line

Moving it before the pte_pages array puts in into the same
cache-line as the spin-lock and the bitmap array pointer.
This should safe a cache-miss.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2015-12-21 16:28:45 +01:00
parent a0f51447f4
commit ae62d49c7a

View File

@ -124,6 +124,7 @@ struct aperture_range {
/* address allocation bitmap */
unsigned long *bitmap;
unsigned long offset;
/*
* Array of PTE pages for the aperture. In this array we save all the
@ -132,8 +133,6 @@ struct aperture_range {
* just calculate its address in constant time.
*/
u64 *pte_pages[64];
unsigned long offset;
};
/*