diff options
| author | Tejun Heo <tj@kernel.org> | 2025-11-11 09:18:09 -1000 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2025-11-12 06:43:44 -1000 |
| commit | f2fe382e1f9e568e6702f4ee416de587e9d6b671 (patch) | |
| tree | 624a42d7e19a107551717d1e27231679035a836f /kernel | |
| parent | 5ebec443fb96ac305baaae51efe998194f3c87c4 (diff) | |
sched_ext: Make scx_exit() and scx_vexit() return bool
Make scx_exit() and scx_vexit() return bool indicating whether the calling
thread successfully claimed the exit. This will be used by the abort mechanism
added in a later patch.
Reviewed-by: Dan Schatzberg <schatzberg.dan@gmail.com>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Cc: Emil Tsalapatis <etsal@meta.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/ext.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index 56a6d453543a..e6e69a7fe105 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -174,18 +174,21 @@ MODULE_PARM_DESC(slice_bypass_us, "bypass slice in microseconds, applied on [un] static void process_ddsp_deferred_locals(struct rq *rq); static u32 reenq_local(struct rq *rq); static void scx_kick_cpu(struct scx_sched *sch, s32 cpu, u64 flags); -static void scx_vexit(struct scx_sched *sch, enum scx_exit_kind kind, +static bool scx_vexit(struct scx_sched *sch, enum scx_exit_kind kind, s64 exit_code, const char *fmt, va_list args); -static __printf(4, 5) void scx_exit(struct scx_sched *sch, +static __printf(4, 5) bool scx_exit(struct scx_sched *sch, enum scx_exit_kind kind, s64 exit_code, const char *fmt, ...) { va_list args; + bool ret; va_start(args, fmt); - scx_vexit(sch, kind, exit_code, fmt, args); + ret = scx_vexit(sch, kind, exit_code, fmt, args); va_end(args); + + return ret; } #define scx_error(sch, fmt, args...) scx_exit((sch), SCX_EXIT_ERROR, 0, fmt, ##args) @@ -4400,14 +4403,14 @@ static void scx_error_irq_workfn(struct irq_work *irq_work) kthread_queue_work(sch->helper, &sch->disable_work); } -static void scx_vexit(struct scx_sched *sch, +static bool scx_vexit(struct scx_sched *sch, enum scx_exit_kind kind, s64 exit_code, const char *fmt, va_list args) { struct scx_exit_info *ei = sch->exit_info; if (!scx_claim_exit(sch, kind)) - return; + return false; ei->exit_code = exit_code; #ifdef CONFIG_STACKTRACE @@ -4424,6 +4427,7 @@ static void scx_vexit(struct scx_sched *sch, ei->reason = scx_exit_reason(ei->kind); irq_work_queue(&sch->error_irq_work); + return true; } static int alloc_kick_syncs(void) |