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authorMark Brown <broonie@kernel.org>2020-12-10 13:30:11 +0000
committerMark Brown <broonie@kernel.org>2020-12-10 13:30:11 +0000
commit49ab19a4a51a31cb06992386cec4be82ebca5a2d (patch)
treede7d31ec7ded2c8ab8dbdfe5a55fa283068023d0 /include/linux/sched.h
parentb0dfd948379c79b8754e224e29b99d30ce0d79b8 (diff)
parent3b25f337929e73232f0aa990cd68a129f53652e2 (diff)
Merge series "spi: spi-geni-qcom: Use gpio descriptors for CS" from Stephen Boyd <swboyd@chromium.org>:
Collected patches from the two series below and associated tags so they can be merged in one pile through the spi tree. Merry December! SPI: https://lore.kernel.org/r/20201202214935.1114381-1-swboyd@chromium.org cros-ec: https://lore.kernel.org/r/20201203011649.1405292-1-swboyd@chromium.org Cc: Akash Asthana <akashast@codeaurora.org> Cc: Simon Glass <sjg@chromium.org> Cc: Gwendal Grignou <gwendal@chromium.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Alexandru M Stan <amstan@chromium.org> Stephen Boyd (3): platform/chrome: cros_ec_spi: Don't overwrite spi::mode platform/chrome: cros_ec_spi: Drop bits_per_word assignment spi: spi-geni-qcom: Use the new method of gpio CS control drivers/platform/chrome/cros_ec_spi.c | 2 -- drivers/spi/spi-geni-qcom.c | 1 + 2 files changed, 1 insertion(+), 2 deletions(-) base-commit: b65054597872ce3aefbc6a666385eabdf9e288da -- https://chromeos.dev
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h26
1 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 063cd120b459..76cd21fa5501 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -552,7 +552,6 @@ struct sched_dl_entity {
* overruns.
*/
unsigned int dl_throttled : 1;
- unsigned int dl_boosted : 1;
unsigned int dl_yielded : 1;
unsigned int dl_non_contending : 1;
unsigned int dl_overrun : 1;
@@ -571,6 +570,15 @@ struct sched_dl_entity {
* time.
*/
struct hrtimer inactive_timer;
+
+#ifdef CONFIG_RT_MUTEXES
+ /*
+ * Priority Inheritance. When a DEADLINE scheduling entity is boosted
+ * pi_se points to the donor, otherwise points to the dl_se it belongs
+ * to (the original one/itself).
+ */
+ struct sched_dl_entity *pi_se;
+#endif
};
#ifdef CONFIG_UCLAMP_TASK
@@ -770,7 +778,6 @@ struct task_struct {
unsigned sched_reset_on_fork:1;
unsigned sched_contributes_to_load:1;
unsigned sched_migrated:1;
- unsigned sched_remote_wakeup:1;
#ifdef CONFIG_PSI
unsigned sched_psi_wake_requeue:1;
#endif
@@ -780,6 +787,21 @@ struct task_struct {
/* Unserialized, strictly 'current' */
+ /*
+ * This field must not be in the scheduler word above due to wakelist
+ * queueing no longer being serialized by p->on_cpu. However:
+ *
+ * p->XXX = X; ttwu()
+ * schedule() if (p->on_rq && ..) // false
+ * smp_mb__after_spinlock(); if (smp_load_acquire(&p->on_cpu) && //true
+ * deactivate_task() ttwu_queue_wakelist())
+ * p->on_rq = 0; p->sched_remote_wakeup = Y;
+ *
+ * guarantees all stores of 'current' are visible before
+ * ->sched_remote_wakeup gets used, so it can be in this word.
+ */
+ unsigned sched_remote_wakeup:1;
+
/* Bit to tell LSMs we're in execve(): */
unsigned in_execve:1;
unsigned in_iowait:1;