A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-13 16:16:15 -04:00
Code Issues Projects Releases Packages Wiki Activity

parisc: Optimize switch_mm

Browse source 
We only need to switch contexts when prev != next, and we don't need to
disable interrupts to do the check.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
John David Anglin 2017-07-26 20:02:52 +02:00 • committed by Helge Deller
commit d2883fa1a6
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
arch/parisc/include/asm/mmu_context.h
View file

@ -63,6 +63,9 @@ static inline void switch_mm(struct mm_struct *prev,
{
unsigned long flags;
if (prev == next)
return;
local_irq_save(flags);
switch_mm_irqs_off(prev, next, tsk);
local_irq_restore(flags);