malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

hrtimer: Implement SOFT/HARD clock base selection

Browse Source 
All prerequisites to handle hrtimers for expiry in either hard or soft
interrupt context are in place.

Add the missing bit in hrtimer_init() which associates the timer to the
hard or the softirq clock base.

Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: keescook@chromium.org
Link: http://lkml.kernel.org/r/20171221104205.7269-30-anna-maria@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: celtare21 <celtare21@gmail.com>
Signed-off-by: azrim <mirzaspc@gmail.com>
This commit is contained in:
Anna-Maria Gleixner 2017-12-21 11:41:58 +01:00 committed by azrim
parent 9ec4e4e0c3
commit 34e99a798b
No known key found for this signature in database
GPG Key ID: 497F8FB059B45D1C
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
kernel/time/hrtimer.c
View File

@ -1237,8 +1237,9 @@ static inline int hrtimer_clockid_to_base(clockid_t clock_id)
static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
enum hrtimer_mode mode)
{
bool softtimer = !!(mode & HRTIMER_MODE_SOFT);
int base = softtimer ? HRTIMER_MAX_CLOCK_BASES / 2 : 0;
struct hrtimer_cpu_base *cpu_base;
int base;
memset(timer, 0, sizeof(struct hrtimer));
@ -1252,7 +1253,8 @@ static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
if (clock_id == CLOCK_REALTIME && mode & HRTIMER_MODE_REL)
clock_id = CLOCK_MONOTONIC;
base = hrtimer_clockid_to_base(clock_id);
base += hrtimer_clockid_to_base(clock_id);
timer->is_soft = softtimer;
timer->base = &cpu_base->clock_base[base];
timerqueue_init(&timer->node);
}
@ -1261,8 +1263,13 @@ static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
* hrtimer_init - initialize a timer to the given clock
* @timer: the timer to be initialized
* @clock_id: the clock to be used
* @mode: timer mode: absolute (HRTIMER_MODE_ABS) or
* relative (HRTIMER_MODE_REL); pinned is not considered here!
* @mode: The modes which are relevant for intitialization:
* HRTIMER_MODE_ABS, HRTIMER_MODE_REL, HRTIMER_MODE_ABS_SOFT,
* HRTIMER_MODE_REL_SOFT
*
* The PINNED variants of the above can be handed in,
* but the PINNED bit is ignored as pinning happens
* when the hrtimer is started
*/
void hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
enum hrtimer_mode mode)