61c5d9fa56
[ Upstream commit 92cc6bf01c7f4c5cfefd1963985c0064687ebeda ] Only code/declaration movement, in anticipation of doing a KVM-aware vcpu_is_preempted(). No additional changes. Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Acked-by: Waiman Long <longman@redhat.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201202050456.164005-2-srikar@linux.vnet.ibm.com Signed-off-by: Sasha Levin <sashal@kernel.org>
39 lines
859 B
C
39 lines
859 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Extracted from cputable.c
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*
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* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
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*
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* Modifications for ppc64:
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* Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
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* Copyright (C) 2005 Stephen Rothwell, IBM Corporation
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*/
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#include <linux/export.h>
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#include <linux/cache.h>
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#include <linux/of.h>
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#include <asm/firmware.h>
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#include <asm/kvm_guest.h>
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#ifdef CONFIG_PPC64
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unsigned long powerpc_firmware_features __read_mostly;
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EXPORT_SYMBOL_GPL(powerpc_firmware_features);
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#endif
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#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_GUEST)
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bool is_kvm_guest(void)
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{
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struct device_node *hyper_node;
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hyper_node = of_find_node_by_path("/hypervisor");
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if (!hyper_node)
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return 0;
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if (!of_device_is_compatible(hyper_node, "linux,kvm"))
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return 0;
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return 1;
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}
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#endif
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