rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/fs/timerfd.c
..
..
@@ -471,7 +471,11 @@
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 				break;
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 		}
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 		spin_unlock_irq(&ctx->wqh.lock);
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-		cpu_relax();
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+
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+		if (isalarm(ctx))
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+			hrtimer_grab_expiry_lock(&ctx->t.alarm.timer);
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+		else
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+			hrtimer_grab_expiry_lock(&ctx->t.tmr);
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 	}
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 	/*