From 90b8f6ee04e28a0c7a41fff17cbbb04f48715c2e Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Mon, 26 Feb 2024 09:17:01 -1000
Subject: [PATCH] scx: Fix spurious ops verification failure due to missing
 jiffies conversion

ops->timeout_ms wasn't being converted to jiffies before testing against
SCX_WATHCDOG_MATX_TIMEOUT which led to spurious verification failures when
with lower HZ kernels. Fix it.

Link: https://github.com/sched-ext/scx/issues/151
---
 kernel/sched/ext.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 08cbc3615f846..1466a3238b895 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -4067,7 +4067,8 @@ static int bpf_scx_init_member(const struct btf_type *t,
 			return -EINVAL;
 		return 1;
 	case offsetof(struct sched_ext_ops, timeout_ms):
-		if (*(u32 *)(udata + moff) > SCX_WATCHDOG_MAX_TIMEOUT)
+		if (msecs_to_jiffies(*(u32 *)(udata + moff)) >
+		    SCX_WATCHDOG_MAX_TIMEOUT)
 			return -E2BIG;
 		ops->timeout_ms = *(u32 *)(udata + moff);
 		return 1;