Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Revert "Mark HI and TASKLET softirq synchronous"

Browse source 
This reverts commit 3c53776e29.
Reverting the change to match what we have on previous Kernels.

Change-Id: I4af64cd7e2c4291dda5f503bf2d74ede459a76c6
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
This commit is contained in:
Satya Durga Srinivasu Prabhala 2019-01-08 15:38:32 -08:00
parent bf251c4d3b
commit ab58fa6c77
1 changed files with 4 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
kernel/softirq.c
View file

@ -86,16 +86,12 @@ static void wakeup_softirqd(void)
/* /*
* If ksoftirqd is scheduled, we do not want to process pending softirqs * If ksoftirqd is scheduled, we do not want to process pending softirqs
* right now. Let ksoftirqd handle this at its own rate, to get fairness, * right now. Let ksoftirqd handle this at its own rate, to get fairness.
* unless we're doing some of the synchronous softirqs.
*/ */
#define SOFTIRQ_NOW_MASK ((1 << HI_SOFTIRQ) | (1 << TASKLET_SOFTIRQ)) static bool ksoftirqd_running(void)
static bool ksoftirqd_running(unsigned long pending)
{ {
struct task_struct *tsk = __this_cpu_read(ksoftirqd); struct task_struct *tsk = __this_cpu_read(ksoftirqd);
if (pending & SOFTIRQ_NOW_MASK)
return false;
return tsk && (tsk->state == TASK_RUNNING); return tsk && (tsk->state == TASK_RUNNING);
} }
@ -354,7 +350,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending(); pending = local_softirq_pending();
if (pending && !ksoftirqd_running(pending)) if (pending && !ksoftirqd_running())
do_softirq_own_stack(); do_softirq_own_stack();
local_irq_restore(flags); local_irq_restore(flags);
@ -381,7 +377,7 @@ void irq_enter(void)
static inline void invoke_softirq(void) static inline void invoke_softirq(void)
{ {
if (ksoftirqd_running(local_softirq_pending())) if (ksoftirqd_running())
return; return;
if (!force_irqthreads) { if (!force_irqthreads) {