1 files changed, 112 insertions, 112 deletions

diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index c75c482d4c52..0c38a31d5fc7 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -20,6 +20,7 @@
 #include <linux/export.h>
 #include <linux/init.h>
 #include <linux/kdebug.h>
+#include <linux/kvm_types.h>
 #include <linux/sched/mm.h>
 #include <linux/sched/clock.h>
 #include <linux/uaccess.h>
@@ -32,6 +33,7 @@
 
 #include <asm/apic.h>
 #include <asm/stacktrace.h>
+#include <asm/msr.h>
 #include <asm/nmi.h>
 #include <asm/smp.h>
 #include <asm/alternative.h>
@@ -87,13 +89,19 @@ DEFINE_STATIC_CALL_NULL(x86_pmu_commit_scheduling, *x86_pmu.commit_scheduling);
 DEFINE_STATIC_CALL_NULL(x86_pmu_stop_scheduling,   *x86_pmu.stop_scheduling);
 
 DEFINE_STATIC_CALL_NULL(x86_pmu_sched_task,    *x86_pmu.sched_task);
-DEFINE_STATIC_CALL_NULL(x86_pmu_swap_task_ctx, *x86_pmu.swap_task_ctx);
 
 DEFINE_STATIC_CALL_NULL(x86_pmu_drain_pebs,   *x86_pmu.drain_pebs);
 DEFINE_STATIC_CALL_NULL(x86_pmu_pebs_aliases, *x86_pmu.pebs_aliases);
 
 DEFINE_STATIC_CALL_NULL(x86_pmu_filter, *x86_pmu.filter);
 
+DEFINE_STATIC_CALL_NULL(x86_pmu_late_setup, *x86_pmu.late_setup);
+
+DEFINE_STATIC_CALL_NULL(x86_pmu_pebs_enable, *x86_pmu.pebs_enable);
+DEFINE_STATIC_CALL_NULL(x86_pmu_pebs_disable, *x86_pmu.pebs_disable);
+DEFINE_STATIC_CALL_NULL(x86_pmu_pebs_enable_all, *x86_pmu.pebs_enable_all);
+DEFINE_STATIC_CALL_NULL(x86_pmu_pebs_disable_all, *x86_pmu.pebs_disable_all);
+
 /*
  * This one is magic, it will get called even when PMU init fails (because
  * there is no PMU), in which case it should simply return NULL.
@@ -133,7 +141,7 @@ u64 x86_perf_event_update(struct perf_event *event)
 	 */
 	prev_raw_count = local64_read(&hwc->prev_count);
 	do {
-		rdpmcl(hwc->event_base_rdpmc, new_raw_count);
+		new_raw_count = rdpmc(hwc->event_base_rdpmc);
 	} while (!local64_try_cmpxchg(&hwc->prev_count,
 				      &prev_raw_count, new_raw_count));
 
@@ -268,7 +276,7 @@ bool check_hw_exists(struct pmu *pmu, unsigned long *cntr_mask,
 	 */
 	for_each_set_bit(i, cntr_mask, X86_PMC_IDX_MAX) {
 		reg = x86_pmu_config_addr(i);
-		ret = rdmsrl_safe(reg, &val);
+		ret = rdmsrq_safe(reg, &val);
 		if (ret)
 			goto msr_fail;
 		if (val & ARCH_PERFMON_EVENTSEL_ENABLE) {
@@ -282,7 +290,7 @@ bool check_hw_exists(struct pmu *pmu, unsigned long *cntr_mask,
 
 	if (*(u64 *)fixed_cntr_mask) {
 		reg = MSR_ARCH_PERFMON_FIXED_CTR_CTRL;
-		ret = rdmsrl_safe(reg, &val);
+		ret = rdmsrq_safe(reg, &val);
 		if (ret)
 			goto msr_fail;
 		for_each_set_bit(i, fixed_cntr_mask, X86_PMC_IDX_MAX) {
@@ -313,11 +321,11 @@ bool check_hw_exists(struct pmu *pmu, unsigned long *cntr_mask,
 	 * (qemu/kvm) that don't trap on the MSR access and always return 0s.
 	 */
 	reg = x86_pmu_event_addr(reg_safe);
-	if (rdmsrl_safe(reg, &val))
+	if (rdmsrq_safe(reg, &val))
 		goto msr_fail;
 	val ^= 0xffffUL;
-	ret = wrmsrl_safe(reg, val);
-	ret |= rdmsrl_safe(reg, &val_new);
+	ret = wrmsrq_safe(reg, val);
+	ret |= rdmsrq_safe(reg, &val_new);
 	if (ret || val != val_new)
 		goto msr_fail;
 
@@ -547,14 +555,22 @@ static inline int precise_br_compat(struct perf_event *event)
 	return m == b;
 }
 
-int x86_pmu_max_precise(void)
+int x86_pmu_max_precise(struct pmu *pmu)
 {
 	int precise = 0;
 
-	/* Support for constant skid */
 	if (x86_pmu.pebs_active && !x86_pmu.pebs_broken) {
-		precise++;
+		/* arch PEBS */
+		if (x86_pmu.arch_pebs) {
+			precise = 2;
+			if (hybrid(pmu, arch_pebs_cap).pdists)
+				precise++;
+
+			return precise;
+		}
 
+		/* legacy PEBS - support for constant skid */
+		precise++;
 		/* Support for IP fixup */
 		if (x86_pmu.lbr_nr || x86_pmu.intel_cap.pebs_format >= 2)
 			precise++;
@@ -562,13 +578,14 @@ int x86_pmu_max_precise(void)
 		if (x86_pmu.pebs_prec_dist)
 			precise++;
 	}
+
 	return precise;
 }
 
 int x86_pmu_hw_config(struct perf_event *event)
 {
 	if (event->attr.precise_ip) {
-		int precise = x86_pmu_max_precise();
+		int precise = x86_pmu_max_precise(event->pmu);
 
 		if (event->attr.precise_ip > precise)
 			return -EOPNOTSUPP;
@@ -628,7 +645,7 @@ int x86_pmu_hw_config(struct perf_event *event)
 	if (event->attr.type == event->pmu->type)
 		event->hw.config |= x86_pmu_get_event_config(event);
 
-	if (event->attr.sample_period && x86_pmu.limit_period) {
+	if (is_sampling_event(event) && !event->attr.freq && x86_pmu.limit_period) {
 		s64 left = event->attr.sample_period;
 		x86_pmu.limit_period(event, &left);
 		if (left > event->attr.sample_period)
@@ -673,6 +690,7 @@ static int __x86_pmu_event_init(struct perf_event *event)
 	event->hw.idx = -1;
 	event->hw.last_cpu = -1;
 	event->hw.last_tag = ~0ULL;
+	event->hw.dyn_constraint = ~0ULL;
 
 	/* mark unused */
 	event->hw.extra_reg.idx = EXTRA_REG_NONE;
@@ -692,13 +710,13 @@ void x86_pmu_disable_all(void)
 
 		if (!test_bit(idx, cpuc->active_mask))
 			continue;
-		rdmsrl(x86_pmu_config_addr(idx), val);
+		rdmsrq(x86_pmu_config_addr(idx), val);
 		if (!(val & ARCH_PERFMON_EVENTSEL_ENABLE))
 			continue;
 		val &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
-		wrmsrl(x86_pmu_config_addr(idx), val);
+		wrmsrq(x86_pmu_config_addr(idx), val);
 		if (is_counter_pair(hwc))
-			wrmsrl(x86_pmu_config_addr(idx + 1), 0);
+			wrmsrq(x86_pmu_config_addr(idx + 1), 0);
 	}
 }
 
@@ -706,7 +724,7 @@ struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr, void *data)
 {
 	return static_call(x86_pmu_guest_get_msrs)(nr, data);
 }
-EXPORT_SYMBOL_GPL(perf_guest_get_msrs);
+EXPORT_SYMBOL_FOR_KVM(perf_guest_get_msrs);
 
 /*
  * There may be PMI landing after enabled=0. The PMI hitting could be before or
@@ -753,17 +771,18 @@ void x86_pmu_enable_all(int added)
 	}
 }
 
-static inline int is_x86_event(struct perf_event *event)
+int is_x86_event(struct perf_event *event)
 {
-	int i;
-
-	if (!is_hybrid())
-		return event->pmu == &pmu;
-
-	for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) {
-		if (event->pmu == &x86_pmu.hybrid_pmu[i].pmu)
-			return true;
-	}
+	/*
+	 * For a non-hybrid platforms, the type of X86 pmu is
+	 * always PERF_TYPE_RAW.
+	 * For a hybrid platform, the PERF_PMU_CAP_EXTENDED_HW_TYPE
+	 * is a unique capability for the X86 PMU.
+	 * Use them to detect a X86 event.
+	 */
+	if (event->pmu->type == PERF_TYPE_RAW ||
+	    event->pmu->capabilities & PERF_PMU_CAP_EXTENDED_HW_TYPE)
+		return true;
 
 	return false;
 }
@@ -1298,6 +1317,15 @@ static void x86_pmu_enable(struct pmu *pmu)
 
 	if (cpuc->n_added) {
 		int n_running = cpuc->n_events - cpuc->n_added;
+
+		/*
+		 * The late setup (after counters are scheduled)
+		 * is required for some cases, e.g., PEBS counters
+		 * snapshotting. Because an accurate counter index
+		 * is needed.
+		 */
+		static_call_cond(x86_pmu_late_setup)();
+
 		/*
 		 * apply assignment obtained either from
 		 * hw_perf_group_sched_in() or x86_pmu_enable()
@@ -1326,6 +1354,7 @@ static void x86_pmu_enable(struct pmu *pmu)
 				hwc->state |= PERF_HES_ARCH;
 
 			x86_pmu_stop(event, PERF_EF_UPDATE);
+			cpuc->events[hwc->idx] = NULL;
 		}
 
 		/*
@@ -1347,6 +1376,7 @@ static void x86_pmu_enable(struct pmu *pmu)
 			 * if cpuc->enabled = 0, then no wrmsr as
 			 * per x86_pmu_enable_event()
 			 */
+			cpuc->events[hwc->idx] = event;
 			x86_pmu_start(event, PERF_EF_RELOAD);
 		}
 		cpuc->n_added = 0;
@@ -1410,14 +1440,14 @@ int x86_perf_event_set_period(struct perf_event *event)
 	 */
 	local64_set(&hwc->prev_count, (u64)-left);
 
-	wrmsrl(hwc->event_base, (u64)(-left) & x86_pmu.cntval_mask);
+	wrmsrq(hwc->event_base, (u64)(-left) & x86_pmu.cntval_mask);
 
 	/*
 	 * Sign extend the Merge event counter's upper 16 bits since
 	 * we currently declare a 48-bit counter width
 	 */
 	if (is_counter_pair(hwc))
-		wrmsrl(x86_pmu_event_addr(idx + 1), 0xffff);
+		wrmsrq(x86_pmu_event_addr(idx + 1), 0xffff);
 
 	perf_event_update_userpage(event);
 
@@ -1513,7 +1543,6 @@ static void x86_pmu_start(struct perf_event *event, int flags)
 
 	event->hw.state = 0;
 
-	cpuc->events[idx] = event;
 	__set_bit(idx, cpuc->active_mask);
 	static_call(x86_pmu_enable)(event);
 	perf_event_update_userpage(event);
@@ -1540,10 +1569,10 @@ void perf_event_print_debug(void)
 		return;
 
 	if (x86_pmu.version >= 2) {
-		rdmsrl(MSR_CORE_PERF_GLOBAL_CTRL, ctrl);
-		rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status);
-		rdmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, overflow);
-		rdmsrl(MSR_ARCH_PERFMON_FIXED_CTR_CTRL, fixed);
+		rdmsrq(MSR_CORE_PERF_GLOBAL_CTRL, ctrl);
+		rdmsrq(MSR_CORE_PERF_GLOBAL_STATUS, status);
+		rdmsrq(MSR_CORE_PERF_GLOBAL_OVF_CTRL, overflow);
+		rdmsrq(MSR_ARCH_PERFMON_FIXED_CTR_CTRL, fixed);
 
 		pr_info("\n");
 		pr_info("CPU#%d: ctrl:       %016llx\n", cpu, ctrl);
@@ -1551,19 +1580,19 @@ void perf_event_print_debug(void)
 		pr_info("CPU#%d: overflow:   %016llx\n", cpu, overflow);
 		pr_info("CPU#%d: fixed:      %016llx\n", cpu, fixed);
 		if (pebs_constraints) {
-			rdmsrl(MSR_IA32_PEBS_ENABLE, pebs);
+			rdmsrq(MSR_IA32_PEBS_ENABLE, pebs);
 			pr_info("CPU#%d: pebs:       %016llx\n", cpu, pebs);
 		}
 		if (x86_pmu.lbr_nr) {
-			rdmsrl(MSR_IA32_DEBUGCTLMSR, debugctl);
+			rdmsrq(MSR_IA32_DEBUGCTLMSR, debugctl);
 			pr_info("CPU#%d: debugctl:   %016llx\n", cpu, debugctl);
 		}
 	}
 	pr_info("CPU#%d: active:     %016llx\n", cpu, *(u64 *)cpuc->active_mask);
 
 	for_each_set_bit(idx, cntr_mask, X86_PMC_IDX_MAX) {
-		rdmsrl(x86_pmu_config_addr(idx), pmc_ctrl);
-		rdmsrl(x86_pmu_event_addr(idx), pmc_count);
+		rdmsrq(x86_pmu_config_addr(idx), pmc_ctrl);
+		rdmsrq(x86_pmu_event_addr(idx), pmc_count);
 
 		prev_left = per_cpu(pmc_prev_left[idx], cpu);
 
@@ -1577,7 +1606,7 @@ void perf_event_print_debug(void)
 	for_each_set_bit(idx, fixed_cntr_mask, X86_PMC_IDX_MAX) {
 		if (fixed_counter_disabled(idx, cpuc->pmu))
 			continue;
-		rdmsrl(x86_pmu_fixed_ctr_addr(idx), pmc_count);
+		rdmsrq(x86_pmu_fixed_ctr_addr(idx), pmc_count);
 
 		pr_info("CPU#%d: fixed-PMC%d count: %016llx\n",
 			cpu, idx, pmc_count);
@@ -1592,7 +1621,6 @@ void x86_pmu_stop(struct perf_event *event, int flags)
 	if (test_bit(hwc->idx, cpuc->active_mask)) {
 		static_call(x86_pmu_disable)(event);
 		__clear_bit(hwc->idx, cpuc->active_mask);
-		cpuc->events[hwc->idx] = NULL;
 		WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED);
 		hwc->state |= PERF_HES_STOPPED;
 	}
@@ -1630,6 +1658,7 @@ static void x86_pmu_del(struct perf_event *event, int flags)
 	 * Not a TXN, therefore cleanup properly.
 	 */
 	x86_pmu_stop(event, PERF_EF_UPDATE);
+	cpuc->events[event->hw.idx] = NULL;
 
 	for (i = 0; i < cpuc->n_events; i++) {
 		if (event == cpuc->event_list[i])
@@ -1673,6 +1702,7 @@ int x86_pmu_handle_irq(struct pt_regs *regs)
 	struct cpu_hw_events *cpuc;
 	struct perf_event *event;
 	int idx, handled = 0;
+	u64 last_period;
 	u64 val;
 
 	cpuc = this_cpu_ptr(&cpu_hw_events);
@@ -1692,6 +1722,7 @@ int x86_pmu_handle_irq(struct pt_regs *regs)
 			continue;
 
 		event = cpuc->events[idx];
+		last_period = event->hw.last_period;
 
 		val = static_call(x86_pmu_update)(event);
 		if (val & (1ULL << (x86_pmu.cntval_bits - 1)))
@@ -1705,13 +1736,11 @@ int x86_pmu_handle_irq(struct pt_regs *regs)
 		if (!static_call(x86_pmu_set_period)(event))
 			continue;
 
-		perf_sample_data_init(&data, 0, event->hw.last_period);
+		perf_sample_data_init(&data, 0, last_period);
 
-		if (has_branch_stack(event))
-			perf_sample_save_brstack(&data, event, &cpuc->lbr_stack, NULL);
+		perf_sample_save_brstack(&data, event, &cpuc->lbr_stack, NULL);
 
-		if (perf_event_overflow(event, &data, regs))
-			x86_pmu_stop(event, 0);
+		perf_event_overflow(event, &data, regs);
 	}
 
 	if (handled)
@@ -2029,13 +2058,19 @@ static void x86_pmu_static_call_update(void)
 	static_call_update(x86_pmu_stop_scheduling, x86_pmu.stop_scheduling);
 
 	static_call_update(x86_pmu_sched_task, x86_pmu.sched_task);
-	static_call_update(x86_pmu_swap_task_ctx, x86_pmu.swap_task_ctx);
 
 	static_call_update(x86_pmu_drain_pebs, x86_pmu.drain_pebs);
 	static_call_update(x86_pmu_pebs_aliases, x86_pmu.pebs_aliases);
 
 	static_call_update(x86_pmu_guest_get_msrs, x86_pmu.guest_get_msrs);
 	static_call_update(x86_pmu_filter, x86_pmu.filter);
+
+	static_call_update(x86_pmu_late_setup, x86_pmu.late_setup);
+
+	static_call_update(x86_pmu_pebs_enable, x86_pmu.pebs_enable);
+	static_call_update(x86_pmu_pebs_disable, x86_pmu.pebs_disable);
+	static_call_update(x86_pmu_pebs_enable_all, x86_pmu.pebs_enable_all);
+	static_call_update(x86_pmu_pebs_disable_all, x86_pmu.pebs_disable_all);
 }
 
 static void _x86_pmu_read(struct perf_event *event)
@@ -2045,13 +2080,15 @@ static void _x86_pmu_read(struct perf_event *event)
 
 void x86_pmu_show_pmu_cap(struct pmu *pmu)
 {
-	pr_info("... version:                %d\n",     x86_pmu.version);
-	pr_info("... bit width:              %d\n",     x86_pmu.cntval_bits);
-	pr_info("... generic registers:      %d\n",     x86_pmu_num_counters(pmu));
-	pr_info("... value mask:             %016Lx\n", x86_pmu.cntval_mask);
-	pr_info("... max period:             %016Lx\n", x86_pmu.max_period);
-	pr_info("... fixed-purpose events:   %d\n",     x86_pmu_num_counters_fixed(pmu));
-	pr_info("... event mask:             %016Lx\n", hybrid(pmu, intel_ctrl));
+	pr_info("... version:                   %d\n", x86_pmu.version);
+	pr_info("... bit width:                 %d\n", x86_pmu.cntval_bits);
+	pr_info("... generic counters:          %d\n", x86_pmu_num_counters(pmu));
+	pr_info("... generic bitmap:            %016llx\n", hybrid(pmu, cntr_mask64));
+	pr_info("... fixed-purpose counters:    %d\n", x86_pmu_num_counters_fixed(pmu));
+	pr_info("... fixed-purpose bitmap:      %016llx\n", hybrid(pmu, fixed_cntr_mask64));
+	pr_info("... value mask:                %016llx\n", x86_pmu.cntval_mask);
+	pr_info("... max period:                %016llx\n", x86_pmu.max_period);
+	pr_info("... global_ctrl mask:          %016llx\n", hybrid(pmu, intel_ctrl));
 }
 
 static int __init init_hw_perf_events(void)
@@ -2486,9 +2523,9 @@ void perf_clear_dirty_counters(void)
 			if (!test_bit(i - INTEL_PMC_IDX_FIXED, hybrid(cpuc->pmu, fixed_cntr_mask)))
 				continue;
 
-			wrmsrl(x86_pmu_fixed_ctr_addr(i - INTEL_PMC_IDX_FIXED), 0);
+			wrmsrq(x86_pmu_fixed_ctr_addr(i - INTEL_PMC_IDX_FIXED), 0);
 		} else {
-			wrmsrl(x86_pmu_event_addr(i), 0);
+			wrmsrq(x86_pmu_event_addr(i), 0);
 		}
 	}
 
@@ -2603,7 +2640,9 @@ static ssize_t max_precise_show(struct device *cdev,
 				  struct device_attribute *attr,
 				  char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n", x86_pmu_max_precise());
+	struct pmu *pmu = dev_get_drvdata(cdev);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", x86_pmu_max_precise(pmu));
 }
 
 static DEVICE_ATTR_RO(max_precise);
@@ -2626,15 +2665,10 @@ static const struct attribute_group *x86_pmu_attr_groups[] = {
 	NULL,
 };
 
-static void x86_pmu_sched_task(struct perf_event_pmu_context *pmu_ctx, bool sched_in)
-{
-	static_call_cond(x86_pmu_sched_task)(pmu_ctx, sched_in);
-}
-
-static void x86_pmu_swap_task_ctx(struct perf_event_pmu_context *prev_epc,
-				  struct perf_event_pmu_context *next_epc)
+static void x86_pmu_sched_task(struct perf_event_pmu_context *pmu_ctx,
+			       struct task_struct *task, bool sched_in)
 {
-	static_call_cond(x86_pmu_swap_task_ctx)(prev_epc, next_epc);
+	static_call_cond(x86_pmu_sched_task)(pmu_ctx, task, sched_in);
 }
 
 void perf_check_microcode(void)
@@ -2701,7 +2735,6 @@ static struct pmu pmu = {
 
 	.event_idx		= x86_pmu_event_idx,
 	.sched_task		= x86_pmu_sched_task,
-	.swap_task_ctx		= x86_pmu_swap_task_ctx,
 	.check_period		= x86_pmu_check_period,
 
 	.aux_output_match	= x86_pmu_aux_output_match,
@@ -2769,13 +2802,13 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re
 		return;
 	}
 
-	if (perf_callchain_store(entry, regs->ip))
-		return;
-
-	if (perf_hw_regs(regs))
+	if (perf_hw_regs(regs)) {
+		if (perf_callchain_store(entry, regs->ip))
+			return;
 		unwind_start(&state, current, regs, NULL);
-	else
+	} else {
 		unwind_start(&state, current, NULL, (void *)regs->sp);
+	}
 
 	for (; !unwind_done(&state); unwind_next_frame(&state)) {
 		addr = unwind_get_return_address(&state);
@@ -2799,8 +2832,15 @@ static unsigned long get_segment_base(unsigned int segment)
 #ifdef CONFIG_MODIFY_LDT_SYSCALL
 		struct ldt_struct *ldt;
 
+		/*
+		 * If we're not in a valid context with a real (not just lazy)
+		 * user mm, then don't even try.
+		 */
+		if (!nmi_uaccess_okay())
+			return 0;
+
 		/* IRQs are off, so this synchronizes with smp_store_release */
-		ldt = READ_ONCE(current->active_mm->context.ldt);
+		ldt = smp_load_acquire(&current->mm->context.ldt);
 		if (!ldt || idx >= ldt->nr_entries)
 			return 0;
 
@@ -2818,46 +2858,6 @@ static unsigned long get_segment_base(unsigned int segment)
 	return get_desc_base(desc);
 }
 
-#ifdef CONFIG_UPROBES
-/*
- * Heuristic-based check if uprobe is installed at the function entry.
- *
- * Under assumption of user code being compiled with frame pointers,
- * `push %rbp/%ebp` is a good indicator that we indeed are.
- *
- * Similarly, `endbr64` (assuming 64-bit mode) is also a common pattern.
- * If we get this wrong, captured stack trace might have one extra bogus
- * entry, but the rest of stack trace will still be meaningful.
- */
-static bool is_uprobe_at_func_entry(struct pt_regs *regs)
-{
-	struct arch_uprobe *auprobe;
-
-	if (!current->utask)
-		return false;
-
-	auprobe = current->utask->auprobe;
-	if (!auprobe)
-		return false;
-
-	/* push %rbp/%ebp */
-	if (auprobe->insn[0] == 0x55)
-		return true;
-
-	/* endbr64 (64-bit only) */
-	if (user_64bit_mode(regs) && is_endbr(*(u32 *)auprobe->insn))
-		return true;
-
-	return false;
-}
-
-#else
-static bool is_uprobe_at_func_entry(struct pt_regs *regs)
-{
-	return false;
-}
-#endif /* CONFIG_UPROBES */
-
 #ifdef CONFIG_IA32_EMULATION
 
 #include <linux/compat.h>
@@ -3079,7 +3079,7 @@ void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap)
 	cap->events_mask_len	= x86_pmu.events_mask_len;
 	cap->pebs_ept		= x86_pmu.pebs_ept;
 }
-EXPORT_SYMBOL_GPL(perf_get_x86_pmu_capability);
+EXPORT_SYMBOL_FOR_KVM(perf_get_x86_pmu_capability);
 
 u64 perf_get_hw_event_config(int hw_event)
 {
@@ -3090,4 +3090,4 @@ u64 perf_get_hw_event_config(int hw_event)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(perf_get_hw_event_config);
+EXPORT_SYMBOL_FOR_KVM(perf_get_hw_event_config);