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authorPaolo Bonzini <pbonzini@redhat.com>2020-06-01 11:26:27 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2020-06-01 11:26:27 +0300
commit380609445cff6ee7b6c7e43bbdc953985b45a6ed (patch)
tree2526fa1599b19804e8cd9823415919ad757f07e7 /virt/kvm/arm/perf.c
parent09d952c971a58c897eb7ea7d41516e7d953bb65d (diff)
parent8f7f4fe756bd5cfef73cf8234445081385bdbf7d (diff)
downloadlinux-380609445cff6ee7b6c7e43bbdc953985b45a6ed.tar.xz
Merge tag 'kvmarm-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for Linux 5.8: - Move the arch-specific code into arch/arm64/kvm - Start the post-32bit cleanup - Cherry-pick a few non-invasive pre-NV patches
Diffstat (limited to 'virt/kvm/arm/perf.c')
-rw-r--r--virt/kvm/arm/perf.c57
1 files changed, 0 insertions, 57 deletions
diff --git a/virt/kvm/arm/perf.c b/virt/kvm/arm/perf.c
deleted file mode 100644
index d45b8b9a4415..000000000000
--- a/virt/kvm/arm/perf.c
+++ /dev/null
@@ -1,57 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Based on the x86 implementation.
- *
- * Copyright (C) 2012 ARM Ltd.
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- */
-
-#include <linux/perf_event.h>
-#include <linux/kvm_host.h>
-
-#include <asm/kvm_emulate.h>
-
-static int kvm_is_in_guest(void)
-{
- return kvm_get_running_vcpu() != NULL;
-}
-
-static int kvm_is_user_mode(void)
-{
- struct kvm_vcpu *vcpu;
-
- vcpu = kvm_get_running_vcpu();
-
- if (vcpu)
- return !vcpu_mode_priv(vcpu);
-
- return 0;
-}
-
-static unsigned long kvm_get_guest_ip(void)
-{
- struct kvm_vcpu *vcpu;
-
- vcpu = kvm_get_running_vcpu();
-
- if (vcpu)
- return *vcpu_pc(vcpu);
-
- return 0;
-}
-
-static struct perf_guest_info_callbacks kvm_guest_cbs = {
- .is_in_guest = kvm_is_in_guest,
- .is_user_mode = kvm_is_user_mode,
- .get_guest_ip = kvm_get_guest_ip,
-};
-
-int kvm_perf_init(void)
-{
- return perf_register_guest_info_callbacks(&kvm_guest_cbs);
-}
-
-int kvm_perf_teardown(void)
-{
- return perf_unregister_guest_info_callbacks(&kvm_guest_cbs);
-}