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authorPeter Zijlstra <peterz@infradead.org>2023-03-22 11:28:36 +0100
committerPeter Zijlstra <peterz@infradead.org>2023-03-24 11:01:29 +0100
commit68e2d17c9eb311ab59aeb6d0c38aad8985fa2596 (patch)
tree4ad1d55f8685fc2cbb6f76bffc0c35084e89d201 /kernel/smp.c
parentsched, smp: Trace smp callback causing an IPI (diff)
downloadlinux-68e2d17c9eb311ab59aeb6d0c38aad8985fa2596.tar.xz
linux-68e2d17c9eb311ab59aeb6d0c38aad8985fa2596.zip
trace: Add trace_ipi_send_cpu()
Because copying cpumasks around when targeting a single CPU is a bit daft... Tested-and-reviewed-by: Valentin Schneider <vschneid@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20230322103004.GA571242%40hirez.programming.kicks-ass.net
Diffstat (limited to 'kernel/smp.c')
-rw-r--r--kernel/smp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/smp.c b/kernel/smp.c
index 37e9613a0889..43f0796ecdb2 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -107,7 +107,7 @@ static __always_inline void
send_call_function_single_ipi(int cpu, smp_call_func_t func)
{
if (call_function_single_prep_ipi(cpu)) {
- trace_ipi_send_cpumask(cpumask_of(cpu), _RET_IP_, func);
+ trace_ipi_send_cpu(cpu, _RET_IP_, func);
arch_send_call_function_single_ipi(cpu);
}
}
@@ -346,7 +346,7 @@ void __smp_call_single_queue(int cpu, struct llist_node *node)
* even if we haven't sent the smp_call IPI yet (e.g. the stopper
* executes migration_cpu_stop() on the remote CPU).
*/
- if (trace_ipi_send_cpumask_enabled()) {
+ if (trace_ipi_send_cpu_enabled()) {
call_single_data_t *csd;
smp_call_func_t func;