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perf: Use EXPORT_SYMBOL_FOR_KVM() for the mediated APIs

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JIRA: https://issues.redhat.com/browse/RHEL-151869

commit 01122b89361e565b3c88b9fbebe92dc5c7420cb7
Author: Peter Zijlstra <peterz@infradead.org>
Date:   Wed Dec 17 13:23:59 2025 +0100

    perf: Use EXPORT_SYMBOL_FOR_KVM() for the mediated APIs

    Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
    Link: https://patch.msgid.link/20251208115156.GE3707891@noisy.programming.kicks-ass.net

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
This commit is contained in:
Maxim Levitsky
2026-07-21 14:01:29 -04:00
parent b3f09b5eae
commit 65bd7c084f
3 changed files with 7 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/x86/events/core.c
+3 -2
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@@ -30,6 +30,7 @@
#include <linux/device.h>
#include <linux/nospec.h>
#include <linux/static_call.h>
#include <linux/kvm_types.h>
#include <asm/apic.h>
#include <asm/stacktrace.h>
@@ -1771,14 +1772,14 @@ void perf_load_guest_lvtpc(u32 guest_lvtpc)
APIC_DM_FIXED | PERF_GUEST_MEDIATED_PMI_VECTOR | masked);
this_cpu_write(guest_lvtpc_loaded, true);
}
EXPORT_SYMBOL_FOR_MODULES(perf_load_guest_lvtpc, "kvm");
EXPORT_SYMBOL_FOR_KVM(perf_load_guest_lvtpc);
void perf_put_guest_lvtpc(void)
{
this_cpu_write(guest_lvtpc_loaded, false);
apic_write(APIC_LVTPC, APIC_DM_NMI);
}
EXPORT_SYMBOL_FOR_MODULES(perf_put_guest_lvtpc, "kvm");
EXPORT_SYMBOL_FOR_KVM(perf_put_guest_lvtpc);
#endif /* CONFIG_PERF_GUEST_MEDIATED_PMU */
static int
include/asm-generic/Kbuild
+1
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@@ -32,6 +32,7 @@ mandatory-y += irq_work.h
mandatory-y += kdebug.h
mandatory-y += kmap_size.h
mandatory-y += kprobes.h
mandatory-y += kvm_types.h
mandatory-y += linkage.h
mandatory-y += local.h
mandatory-y += local64.h
kernel/events/core.c
+3 -2
View File
@@ -56,6 +56,7 @@
#include <linux/buildid.h>
#include <linux/task_work.h>
#include <linux/percpu-rwsem.h>
#include <linux/kvm_types.h>
#include "internal.h"
@@ -6398,7 +6399,7 @@ int perf_create_mediated_pmu(void)
atomic_inc(&nr_mediated_pmu_vms);
return 0;
}
EXPORT_SYMBOL_GPL(perf_create_mediated_pmu);
EXPORT_SYMBOL_FOR_KVM(perf_create_mediated_pmu);
void perf_release_mediated_pmu(void)
{
@@ -6407,7 +6408,7 @@ void perf_release_mediated_pmu(void)
atomic_dec(&nr_mediated_pmu_vms);
}
EXPORT_SYMBOL_GPL(perf_release_mediated_pmu);
EXPORT_SYMBOL_FOR_KVM(perf_release_mediated_pmu);
/* When loading a guest's mediated PMU, schedule out all exclude_guest events. */
void perf_load_guest_context(void)