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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/time/tick-broadcast-hrtimer.c
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@@ -1,8 +1,6 @@
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 // SPDX-License-Identifier: GPL-2.0
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 /*
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- * linux/kernel/time/tick-broadcast-hrtimer.c
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- * This file emulates a local clock event device
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- * via a pseudo clock device.
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+ * Emulate a local clock event device via a pseudo clock device.
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  */
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 #include <linux/cpu.h>
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 #include <linux/err.h>
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@@ -64,7 +62,7 @@
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 	 * hrtimer_start() can call into tracing.
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 	 */
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 	RCU_NONIDLE( {
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-		hrtimer_start(&bctimer, expires, HRTIMER_MODE_ABS_PINNED);
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+		hrtimer_start(&bctimer, expires, HRTIMER_MODE_ABS_PINNED_HARD);
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 		/*
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 		 * The core tick broadcast mode expects bc->bound_on to be set
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 		 * correctly to prevent a CPU which has the broadcast hrtimer
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@@ -107,7 +105,7 @@
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 void tick_setup_hrtimer_broadcast(void)
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 {
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-	hrtimer_init(&bctimer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
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+	hrtimer_init(&bctimer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_HARD);
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 	bctimer.function = bc_handler;
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 	clockevents_register_device(&ce_broadcast_hrtimer);
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 }