iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

x86: UV SGI: Don't track GRU space in PAT

Browse Source 
GRU space is always mapped as WB in the page table. There is
no need to track the mappings in the PAT. This also eliminates
the "freeing invalid memtype" messages when the GRU space is
unmapped.

Signed-off-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20091119202341.GA4420@sgi.com>
[ v2: fix build failure ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jack Steiner
2009-11-19 14:23:41 -06:00
committed by Ingo Molnar
parent e38e2af1c5
commit fd12a0d69a
5 changed files with 33 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/include/asm/x86_init.h
View File

@ -113,11 +113,13 @@ struct x86_cpuinit_ops {
/**
* struct x86_platform_ops - platform specific runtime functions
* @is_untracked_pat_range exclude from PAT logic
* @calibrate_tsc: calibrate TSC
* @get_wallclock: get time from HW clock like RTC etc.
* @set_wallclock: set time back to HW clock
*/
struct x86_platform_ops {
int (*is_untracked_pat_range)(u64 start, u64 end);
unsigned long (*calibrate_tsc)(void);
unsigned long (*get_wallclock)(void);
int (*set_wallclock)(unsigned long nowtime);