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From 9c6d2b49cfea2f30f737dbe16dab3c1516e552cc Mon Sep 17 00:00:00 2001
From: Felix Kuehling <Felix.Kuehling@amd.com>
Date: Wed, 20 Sep 2017 18:10:22 -0400
Subject: [PATCH 3351/4131] drm/amdkfd: Print event limit messages only once
per process
To avoid spamming the log.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_events.c | 5 ++++-
drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
index 5979158..944abfa 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -292,7 +292,10 @@ static int create_signal_event(struct file *devkfd,
struct kfd_event *ev)
{
if (p->signal_event_count == KFD_SIGNAL_EVENT_LIMIT) {
- pr_warn("Signal event wasn't created because limit was reached\n");
+ if (!p->signal_event_limit_reached) {
+ pr_warn("Signal event wasn't created because limit was reached\n");
+ p->signal_event_limit_reached = true;
+ }
return -ENOMEM;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 11ce34b..5ebe565 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -530,6 +530,7 @@ struct kfd_process {
struct list_head signal_event_pages;
u32 next_nonsignal_event_id;
size_t signal_event_count;
+ bool signal_event_limit_reached;
};
/**
--
2.7.4
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