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 2026-10-31 04:01:48 -04:00
Code Issues Projects Releases Packages Wiki Activity

irqchip/gic-v4: Clear IRQ_DISABLE_UNLAZY again if mapping fails

Browse source 
Should the call to irq_set_vcpu_affinity() fail at map time,
we should restore the normal lazy-disable behaviour instead
of staying with the eager disable that GICv4 requires.

Reported-by: Eric Auger <[email protected]>
Acked-by: Christoffer Dall <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
This commit is contained in:
Marc Zyngier 2017-11-10 09:00:41 +00:00
commit 90dc7122a3
1 changed files with 6 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
drivers/irqchip/irq-gic-v4.c
View file

@ -177,6 +177,7 @@ int its_map_vlpi(int irq, struct its_vlpi_map *map)
.map = map,
},
};
int ret;
/*
* The host will never see that interrupt firing again, so it
@ -184,7 +185,11 @@ int its_map_vlpi(int irq, struct its_vlpi_map *map)
*/
irq_set_status_flags(irq, IRQ_DISABLE_UNLAZY);
return irq_set_vcpu_affinity(irq, &info);
ret = irq_set_vcpu_affinity(irq, &info);
if (ret)
irq_clear_status_flags(irq, IRQ_DISABLE_UNLAZY);
return ret;
}
int its_get_vlpi(int irq, struct its_vlpi_map *map)