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| author | Rob Clark <robdclark@chromium.org> | 2023-03-20 10:31:25 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2023-03-20 10:31:25 -0700 |
| commit | e752ab11dcb48353727ea26eefd740155e028865 (patch) | |
| tree | bbd47198be4e42bbf990096ca36e96f3da40cfb6 /include/linux/context_tracking.h | |
| parent | 1844e680d56bb0c4e0489138f2b7ba2dc1c988e3 (diff) | |
| parent | 8bf6e20253b2d2b614f2c0b491f840e956fa6b05 (diff) | |
| download | linux-next-e752ab11dcb48353727ea26eefd740155e028865.tar.gz linux-next-e752ab11dcb48353727ea26eefd740155e028865.zip | |
Merge remote-tracking branch 'drm/drm-next' into msm-next
Merge drm-next into msm-next to pick up external clk and PM dependencies
for improved a6xx GPU reset sequence.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'include/linux/context_tracking.h')
| -rw-r--r-- | include/linux/context_tracking.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index dcef4a9e4d63..d4afa8508a80 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -130,9 +130,36 @@ static __always_inline unsigned long ct_state_inc(int incby) return arch_atomic_add_return(incby, this_cpu_ptr(&context_tracking.state)); } +static __always_inline bool warn_rcu_enter(void) +{ + bool ret = false; + + /* + * Horrible hack to shut up recursive RCU isn't watching fail since + * lots of the actual reporting also relies on RCU. + */ + preempt_disable_notrace(); + if (rcu_dynticks_curr_cpu_in_eqs()) { + ret = true; + ct_state_inc(RCU_DYNTICKS_IDX); + } + + return ret; +} + +static __always_inline void warn_rcu_exit(bool rcu) +{ + if (rcu) + ct_state_inc(RCU_DYNTICKS_IDX); + preempt_enable_notrace(); +} + #else static inline void ct_idle_enter(void) { } static inline void ct_idle_exit(void) { } + +static __always_inline bool warn_rcu_enter(void) { return false; } +static __always_inline void warn_rcu_exit(bool rcu) { } #endif /* !CONFIG_CONTEXT_TRACKING_IDLE */ #endif |