From 117f070fd65ee998a6ee85b9385fe09aea620062 Mon Sep 17 00:00:00 2001
From: "TOIDA,Suguru" <fj1520as@aa.jp.fujitsu.com>
Date: Tue, 19 Nov 2019 16:34:14 +0900
Subject: [PATCH] perf: fix PERF_EVENT_IOC_REFRESH

Change-Id: Ia5d3fbe344346aabc3b5d40a801b3c21cfbaac97
---
 kernel/syscall.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/syscall.c b/kernel/syscall.c
index 5d35c8a2..24e07488 100644
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@@ -4231,7 +4231,6 @@ perf_ioctl(struct mckfd *sfd, ihk_mc_user_context_t *ctx)
 {
 	unsigned int cmd = ihk_mc_syscall_arg1(ctx);
 	struct mc_perf_event *event = (struct mc_perf_event*)sfd->data;
-	int counter_id = event->counter_id;
 	struct mcs_rwlock_node_irqsave lock;
 	struct process *proc;
 
@@ -4279,9 +4278,6 @@ perf_ioctl(struct mckfd *sfd, ihk_mc_user_context_t *ctx)
 		if(event->attr.inherit)
 			return -EINVAL;
 
-		event->count += event->attr.sample_freq;
-		ihk_mc_perfctr_set(counter_id, event->attr.sample_freq * -1);
-
 		perf_start(event);
 
 		break;