write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/include/linux/kvm_irqfd.h
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@@ -1,12 +1,5 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  *
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  * irqfd: Allows an fd to be used to inject an interrupt to the guest
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  * Credit goes to Avi Kivity for the original idea.
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@@ -49,7 +42,7 @@
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 	wait_queue_entry_t wait;
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 	/* Update side is protected by irqfds.lock */
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 	struct kvm_kernel_irq_routing_entry irq_entry;
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-	seqcount_t irq_entry_sc;
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+	seqcount_spinlock_t irq_entry_sc;
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 	/* Used for level IRQ fast-path */
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 	int gsi;
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 	struct work_struct inject;