From 072de836f53be56a70cecf70b43ae43b7ce17376 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 10:08:36 +0000
Subject: [PATCH] mk-rootfs.sh

---
 kernel/arch/x86/kvm/irq_comm.c |   35 +++++++++++++----------------------
 1 files changed, 13 insertions(+), 22 deletions(-)

diff --git a/kernel/arch/x86/kvm/irq_comm.c b/kernel/arch/x86/kvm/irq_comm.c
index 4d000ae..4aa1c2e 100644
--- a/kernel/arch/x86/kvm/irq_comm.c
+++ b/kernel/arch/x86/kvm/irq_comm.c
@@ -1,19 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * irq_comm.c: Common API for in kernel interrupt controller
  * Copyright (c) 2007, Intel Corporation.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
  * Authors:
  *   Yaozu (Eddie) Dong <Eddie.dong@intel.com>
  *
@@ -63,14 +52,14 @@
 	unsigned long dest_vcpu_bitmap[BITS_TO_LONGS(KVM_MAX_VCPUS)];
 	unsigned int dest_vcpus = 0;
 
-	if (irq->dest_mode == 0 && irq->dest_id == 0xff &&
-			kvm_lowest_prio_delivery(irq)) {
+	if (kvm_irq_delivery_to_apic_fast(kvm, src, irq, &r, dest_map))
+		return r;
+
+	if (irq->dest_mode == APIC_DEST_PHYSICAL &&
+	    irq->dest_id == 0xff && kvm_lowest_prio_delivery(irq)) {
 		printk(KERN_INFO "kvm: apic: phys broadcast and lowest prio\n");
 		irq->delivery_mode = APIC_DM_FIXED;
 	}
-
-	if (kvm_irq_delivery_to_apic_fast(kvm, src, irq, &r, dest_map))
-		return r;
 
 	memset(dest_vcpu_bitmap, 0, sizeof(dest_vcpu_bitmap));
 
@@ -86,7 +75,7 @@
 			if (r < 0)
 				r = 0;
 			r += kvm_apic_set_irq(vcpu, irq, dest_map);
-		} else if (kvm_lapic_enabled(vcpu)) {
+		} else if (kvm_apic_sw_enabled(vcpu->arch.apic)) {
 			if (!kvm_vector_hashing_enabled()) {
 				if (!lowest)
 					lowest = vcpu;
@@ -125,13 +114,14 @@
 		irq->dest_id |= MSI_ADDR_EXT_DEST_ID(e->msi.address_hi);
 	irq->vector = (e->msi.data &
 			MSI_DATA_VECTOR_MASK) >> MSI_DATA_VECTOR_SHIFT;
-	irq->dest_mode = (1 << MSI_ADDR_DEST_MODE_SHIFT) & e->msi.address_lo;
+	irq->dest_mode = kvm_lapic_irq_dest_mode(
+	    !!((1 << MSI_ADDR_DEST_MODE_SHIFT) & e->msi.address_lo));
 	irq->trig_mode = (1 << MSI_DATA_TRIGGER_SHIFT) & e->msi.data;
 	irq->delivery_mode = e->msi.data & 0x700;
 	irq->msi_redir_hint = ((e->msi.address_lo
 		& MSI_ADDR_REDIRECTION_LOWPRI) > 0);
 	irq->level = 1;
-	irq->shorthand = 0;
+	irq->shorthand = APIC_DEST_NOSHORT;
 }
 EXPORT_SYMBOL_GPL(kvm_set_msi_irq);
 
@@ -295,7 +285,7 @@
 		switch (ue->u.irqchip.irqchip) {
 		case KVM_IRQCHIP_PIC_SLAVE:
 			e->irqchip.pin += PIC_NUM_PINS / 2;
-			/* fall through */
+			fallthrough;
 		case KVM_IRQCHIP_PIC_MASTER:
 			if (ue->u.irqchip.pin >= PIC_NUM_PINS / 2)
 				return -EINVAL;
@@ -427,7 +417,8 @@
 
 			kvm_set_msi_irq(vcpu->kvm, entry, &irq);
 
-			if (irq.trig_mode && kvm_apic_match_dest(vcpu, NULL, 0,
+			if (irq.trig_mode &&
+			    kvm_apic_match_dest(vcpu, NULL, APIC_DEST_NOSHORT,
 						irq.dest_id, irq.dest_mode))
 				__set_bit(irq.vector, ioapic_handled_vectors);
 		}

--
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