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authorKan Liang <kan.liang@linux.intel.com>2025-03-14 10:27:00 -0700
committerPeter Zijlstra <peterz@infradead.org>2025-03-17 11:23:38 +0100
commitbd2da08d9363d191551d79e5b04121348e18af5a (patch)
tree2acfa797c884f4f76671041f45aefcdaa600cba0 /include/linux
parent1fbc6c8e5289c252867c33bf12d54c11c8cfeac4 (diff)
perf: Clean up pmu specific data
The pmu specific data is saved in task_struct now. Remove it from event context structure. Remove swap_task_ctx() as well. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20250314172700.438923-7-kan.liang@linux.intel.com
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/perf_event.h12
1 files changed, 0 insertions, 12 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 58f40c89d728..5b8e3aabac02 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -502,16 +502,6 @@ struct pmu {
struct kmem_cache *task_ctx_cache;
/*
- * PMU specific parts of task perf event context (i.e. ctx->task_ctx_data)
- * can be synchronized using this function. See Intel LBR callstack support
- * implementation and Perf core context switch handling callbacks for usage
- * examples.
- */
- void (*swap_task_ctx) (struct perf_event_pmu_context *prev_epc,
- struct perf_event_pmu_context *next_epc);
- /* optional */
-
- /*
* Set up pmu-private data structures for an AUX area
*/
void *(*setup_aux) (struct perf_event *event, void **pages,
@@ -933,7 +923,6 @@ struct perf_event_pmu_context {
atomic_t refcount; /* event <-> epc */
struct rcu_head rcu_head;
- void *task_ctx_data; /* pmu specific data */
/*
* Set when one or more (plausibly active) event can't be scheduled
* due to pmu overcommit or pmu constraints, except tolerant to
@@ -981,7 +970,6 @@ struct perf_event_context {
int nr_user;
int is_active;
- int nr_task_data;
int nr_stat;
int nr_freq;
int rotate_disable;