rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/arch/powerpc/kvm/book3s_rtas.c
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@@ -1,9 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright 2012 Michael Ellerman, IBM Corporation.
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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, version 2, as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/kernel.h>
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@@ -33,7 +30,7 @@
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 	server = be32_to_cpu(args->args[1]);
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 	priority = be32_to_cpu(args->args[2]);
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-	if (xive_enabled())
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+	if (xics_on_xive())
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 		rc = kvmppc_xive_set_xive(vcpu->kvm, irq, server, priority);
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 	else
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 		rc = kvmppc_xics_set_xive(vcpu->kvm, irq, server, priority);
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@@ -56,7 +53,7 @@
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 	irq = be32_to_cpu(args->args[0]);
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 	server = priority = 0;
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-	if (xive_enabled())
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+	if (xics_on_xive())
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 		rc = kvmppc_xive_get_xive(vcpu->kvm, irq, &server, &priority);
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 	else
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 		rc = kvmppc_xics_get_xive(vcpu->kvm, irq, &server, &priority);
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@@ -83,7 +80,7 @@
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 	irq = be32_to_cpu(args->args[0]);
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-	if (xive_enabled())
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+	if (xics_on_xive())
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 		rc = kvmppc_xive_int_off(vcpu->kvm, irq);
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 	else
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 		rc = kvmppc_xics_int_off(vcpu->kvm, irq);
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@@ -105,7 +102,7 @@
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 	irq = be32_to_cpu(args->args[0]);
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-	if (xive_enabled())
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+	if (xics_on_xive())
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 		rc = kvmppc_xive_int_on(vcpu->kvm, irq);
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 	else
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 		rc = kvmppc_xics_int_on(vcpu->kvm, irq);
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@@ -232,7 +229,9 @@
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 	 */
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 	args_phys = kvmppc_get_gpr(vcpu, 4) & KVM_PAM;
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+	vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
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 	rc = kvm_read_guest(vcpu->kvm, args_phys, &args, sizeof(args));
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+	srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
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 	if (rc)
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 		goto fail;
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