perf: Remove unused pointer task_ctx

The pointer task_ctx is being assigned a value that is not read, the
assignment is redundant and so is the pointer. Remove it

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20221028122545.528999-1-colin.i.king@gmail.com

diff --git a/kernel/events/core.c b/kernel/events/core.c
index ec2abc5..baa2997 100644 (file)
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4215,7 +4215,6 @@ static bool perf_rotate_context(struct perf_cpu_pmu_context *cpc)
        struct perf_cpu_context *cpuctx = this_cpu_ptr(&perf_cpu_context);
        struct perf_event_pmu_context *cpu_epc, *task_epc = NULL;
        struct perf_event *cpu_event = NULL, *task_event = NULL;
-       struct perf_event_context *task_ctx = NULL;
        int cpu_rotate, task_rotate;
        struct pmu *pmu;
 
@@ -4229,7 +4228,6 @@ static bool perf_rotate_context(struct perf_cpu_pmu_context *cpc)
        task_epc = cpc->task_epc;
 
        cpu_rotate = cpu_epc->rotate_necessary;
-       task_ctx = cpuctx->task_ctx;
        task_rotate = task_epc ? task_epc->rotate_necessary : 0;
 
        if (!(cpu_rotate || task_rotate))