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perf: Use EXPORT_SYMBOL_FOR_KVM() for the mediated APIs

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Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251208115156.GE3707891@noisy.programming.kicks-ass.net
This commit is contained in:
Peter Zijlstra 2025-12-17 13:23:59 +01:00
parent 3cb3c2f688
commit 01122b8936
3 changed files with 7 additions and 4 deletions
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5
arch/x86/events/core.c
View file

@ -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

1
include/asm-generic/Kbuild
View file

@ -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

5
kernel/events/core.c
View file

@ -57,6 +57,7 @@
#include <linux/task_work.h>
#include <linux/percpu-rwsem.h>
#include <linux/unwind_deferred.h>
#include <linux/kvm_types.h>
#include "internal.h"
@ -6388,7 +6389,7 @@ 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)
{
@ -6397,7 +6398,7 @@ 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)