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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:52 +0000
commit3afb00d3f86d3d924f88b56fa8285d4e9db85852 (patch)
tree95a985d3019522cea546b7d8df621369bc44fc6c /kernel/events/ring_buffer.c
parentAdding debian version 6.9.12-1. (diff)
downloadlinux-3afb00d3f86d3d924f88b56fa8285d4e9db85852.tar.xz
linux-3afb00d3f86d3d924f88b56fa8285d4e9db85852.zip
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'kernel/events/ring_buffer.c')
-rw-r--r--kernel/events/ring_buffer.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index 60ed43d1c2..485cf0a666 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -22,6 +22,10 @@ static void perf_output_wakeup(struct perf_output_handle *handle)
atomic_set(&handle->rb->poll, EPOLLIN);
handle->event->pending_wakeup = 1;
+
+ if (*perf_event_fasync(handle->event) && !handle->event->pending_kill)
+ handle->event->pending_kill = POLL_IN;
+
irq_work_queue(&handle->event->pending_irq);
}
@@ -684,7 +688,9 @@ int rb_alloc_aux(struct perf_buffer *rb, struct perf_event *event,
* max_order, to aid PMU drivers in double buffering.
*/
if (!watermark)
- watermark = nr_pages << (PAGE_SHIFT - 1);
+ watermark = min_t(unsigned long,
+ U32_MAX,
+ (unsigned long)nr_pages << (PAGE_SHIFT - 1));
/*
* Use aux_watermark as the basis for chunking to