aboutsummaryrefslogtreecommitdiff
path: root/virt/kvm/arm/perf.c
diff options
context:
space:
mode:
authorMarc Zyngier <maz@kernel.org>2020-05-13 11:40:34 +0100
committerMarc Zyngier <maz@kernel.org>2020-05-16 15:03:59 +0100
commit9ed24f4b712b855dcf7be3025b75b051cb73a2b7 (patch)
tree2979a0b689ba9ba130504f12b0e7b4562f2fac22 /virt/kvm/arm/perf.c
parent2ef96a5bb12be62ef75b5828c0aab838ebb29cb8 (diff)
downloadlinux-stericsson-9ed24f4b712b855dcf7be3025b75b051cb73a2b7.tar.gz
KVM: arm64: Move virt/kvm/arm to arch/arm64
Now that the 32bit KVM/arm host is a distant memory, let's move the whole of the KVM/arm64 code into the arm64 tree. As they said in the song: Welcome Home (Sanitarium). Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20200513104034.74741-1-maz@kernel.org
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);
-}