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authorYosry Ahmed <yosry@kernel.org>2026-05-27 23:46:59 +0000
committerSean Christopherson <seanjc@google.com>2026-05-27 18:45:48 -0700
commit277eb65b6cc3442a9cde58291d3f7b21ba79b770 (patch)
treec9e595f072f7749dcbcd44bf71490ac7ad6af3eb /arch
parent9be579d2265185ec92d75e4540fc6c4e621f1667 (diff)
downloadlinux-next-history-277eb65b6cc3442a9cde58291d3f7b21ba79b770.tar.gz
KVM: x86: Move enable_pmu/enable_mediated_pmu to pmu.h and pmu.c
The declaration and definition of enable_pmu/enable_mediated_pmu semantically belongs in pmu.h and pmu.c, and more importantly, pmu.h uses enable_mediated_pmu and relies on the caller including x86.h. There is already precedence for other module params defined outside of x86.c, so move enable_pmu/enable_mediated_pmu to pmu.c. No functional change intended. Signed-off-by: Yosry Ahmed <yosry@kernel.org> Link: https://patch.msgid.link/20260527234711.4175166-6-yosry@kernel.org Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/pmu.c10
-rw-r--r--arch/x86/kvm/pmu.h3
-rw-r--r--arch/x86/kvm/x86.c9
-rw-r--r--arch/x86/kvm/x86.h3
4 files changed, 13 insertions, 12 deletions
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index e218352e34231..d6ac3c55fce55 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -16,6 +16,7 @@
#include <linux/perf_event.h>
#include <linux/bsearch.h>
#include <linux/sort.h>
+#include <linux/moduleparam.h>
#include <asm/perf_event.h>
#include <asm/cpu_device_id.h>
#include "x86.h"
@@ -33,6 +34,15 @@ static struct x86_pmu_capability __read_mostly kvm_host_pmu;
struct x86_pmu_capability __read_mostly kvm_pmu_cap;
EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_pmu_cap);
+/* Enable/disable PMU virtualization */
+bool __read_mostly enable_pmu = true;
+EXPORT_SYMBOL_FOR_KVM_INTERNAL(enable_pmu);
+module_param(enable_pmu, bool, 0444);
+
+/* Enable/disabled mediated PMU virtualization. */
+bool __read_mostly enable_mediated_pmu;
+EXPORT_SYMBOL_FOR_KVM_INTERNAL(enable_mediated_pmu);
+
struct kvm_pmu_emulated_event_selectors {
u64 INSTRUCTIONS_RETIRED;
u64 BRANCH_INSTRUCTIONS_RETIRED;
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index 0925246731cb1..b1f2418e960ac 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -53,6 +53,9 @@ struct kvm_pmu_ops {
const u32 MSR_STRIDE;
};
+extern bool enable_pmu;
+extern bool enable_mediated_pmu;
+
void kvm_pmu_ops_update(const struct kvm_pmu_ops *pmu_ops);
void kvm_handle_guest_mediated_pmi(void);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 48f259015ce44..3447186edfa33 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -182,15 +182,6 @@ module_param(force_emulation_prefix, int, 0644);
int __read_mostly pi_inject_timer = -1;
module_param(pi_inject_timer, bint, 0644);
-/* Enable/disable PMU virtualization */
-bool __read_mostly enable_pmu = true;
-EXPORT_SYMBOL_FOR_KVM_INTERNAL(enable_pmu);
-module_param(enable_pmu, bool, 0444);
-
-/* Enable/disabled mediated PMU virtualization. */
-bool __read_mostly enable_mediated_pmu;
-EXPORT_SYMBOL_FOR_KVM_INTERNAL(enable_mediated_pmu);
-
bool __read_mostly eager_page_split = true;
module_param(eager_page_split, bool, 0644);
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 38a905fa86de2..30a69effc81e2 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -490,9 +490,6 @@ fastpath_t handle_fastpath_invd(struct kvm_vcpu *vcpu);
extern struct kvm_caps kvm_caps;
extern struct kvm_host_values kvm_host;
-extern bool enable_pmu;
-extern bool enable_mediated_pmu;
-
void kvm_setup_xss_caps(void);
/*