Merge tag 'perf-tools-fixes-for-v7.2-1-2026-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Update header copies of kernel headers, including const.h, fs.h,
   perf_event.h, gfp_types.h, kvm.h, cpufeatures.h, rtnetlink.hp,
   msr-index.h, drm.h and socket.h

 - Add some build files related to BPF skels to .gitignore

* tag 'perf-tools-fixes-for-v7.2-1-2026-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
  tools headers: Sync KVM headers with the kernel sources
  tools headers: Sync UAPI linux/fs.h with the kernel sources
  perf beauty: Update copy of linux/socket.h with the kernel sources
  tools headers: Sync UAPI drm/drm.h with kernel sources
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  tools headers x86 cpufeatures: Sync with the kernel sources
  tools headers: Sync linux/gfp_types.h with the kernel sources
  tools headers UAPI: Sync linux/rtnetlink.h with the kernel sources
  tools headers UAPI: Sync linux/const.h with the kernel sources
  perf bench bpf: Add missing .gitignore file

3 files changed, 34 insertions, 5 deletions

diff --git a/tools/include/uapi/linux/const.h b/tools/include/uapi/linux/const.h
index b8f629ef135f..565f309b9df8 100644
--- a/tools/include/uapi/linux/const.h
+++ b/tools/include/uapi/linux/const.h
@@ -50,4 +50,22 @@
 
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
 
+/*
+ * Divide positive or negative dividend by positive or negative divisor
+ * and round to closest integer. Result is undefined for negative
+ * divisors if the dividend variable type is unsigned and for negative
+ * dividends if the divisor variable type is unsigned.
+ */
+#define __KERNEL_DIV_ROUND_CLOSEST(x, divisor)		\
+({							\
+	__typeof__(x) __x = x;				\
+	__typeof__(divisor) __d = divisor;		\
+							\
+	(((__typeof__(x))-1) > 0 ||			\
+	 ((__typeof__(divisor))-1) > 0 ||		\
+	 (((__x) > 0) == ((__d) > 0))) ?		\
+		(((__x) + ((__d) / 2)) / (__d)) :	\
+		(((__x) - ((__d) / 2)) / (__d));	\
+})
+
 #endif /* _UAPI_LINUX_CONST_H */
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index d0c0c8605976..419011097fa8 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -11,6 +11,7 @@
 #include <linux/const.h>
 #include <linux/types.h>
 #include <linux/compiler.h>
+#include <linux/stddef.h>
 #include <linux/ioctl.h>
 #include <asm/kvm.h>
 
@@ -542,7 +543,7 @@ struct kvm_coalesced_mmio {
 
 struct kvm_coalesced_mmio_ring {
 	__u32 first, last;
-	struct kvm_coalesced_mmio coalesced_mmio[];
+	__DECLARE_FLEX_ARRAY(struct kvm_coalesced_mmio, coalesced_mmio);
 };
 
 #define KVM_COALESCED_MMIO_MAX \
@@ -592,7 +593,7 @@ struct kvm_clear_dirty_log {
 /* for KVM_SET_SIGNAL_MASK */
 struct kvm_signal_mask {
 	__u32 len;
-	__u8  sigset[];
+	__DECLARE_FLEX_ARRAY(__u8, sigset);
 };
 
 /* for KVM_TPR_ACCESS_REPORTING */
@@ -703,6 +704,11 @@ struct kvm_enable_cap {
 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
+
+#define KVM_VM_TYPE_ARM_PROTECTED	(1UL << 31)
+#define KVM_VM_TYPE_ARM_MASK		(KVM_VM_TYPE_ARM_IPA_SIZE_MASK | \
+					 KVM_VM_TYPE_ARM_PROTECTED)
+
 /*
  * ioctls for /dev/kvm fds:
  */
@@ -989,6 +995,8 @@ struct kvm_enable_cap {
 #define KVM_CAP_ARM_SEA_TO_USER 245
 #define KVM_CAP_S390_USER_OPEREXEC 246
 #define KVM_CAP_S390_KEYOP 247
+#define KVM_CAP_S390_VSIE_ESAMODE 248
+#define KVM_CAP_S390_HPAGE_2G 249
 
 struct kvm_irq_routing_irqchip {
 	__u32 irqchip;
@@ -1051,7 +1059,7 @@ struct kvm_irq_routing_entry {
 struct kvm_irq_routing {
 	__u32 nr;
 	__u32 flags;
-	struct kvm_irq_routing_entry entries[];
+	__DECLARE_FLEX_ARRAY(struct kvm_irq_routing_entry, entries);
 };
 
 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
@@ -1142,7 +1150,7 @@ struct kvm_dirty_tlb {
 
 struct kvm_reg_list {
 	__u64 n; /* number of regs */
-	__u64 reg[];
+	__DECLARE_FLEX_ARRAY(__u64, reg);
 };
 
 struct kvm_one_reg {
@@ -1224,6 +1232,8 @@ enum kvm_device_type {
 #define KVM_DEV_TYPE_LOONGARCH_EIOINTC	KVM_DEV_TYPE_LOONGARCH_EIOINTC
 	KVM_DEV_TYPE_LOONGARCH_PCHPIC,
 #define KVM_DEV_TYPE_LOONGARCH_PCHPIC	KVM_DEV_TYPE_LOONGARCH_PCHPIC
+	KVM_DEV_TYPE_LOONGARCH_DMSINTC,
+#define KVM_DEV_TYPE_LOONGARCH_DMSINTC	KVM_DEV_TYPE_LOONGARCH_DMSINTC
 	KVM_DEV_TYPE_ARM_VGIC_V5,
 #define KVM_DEV_TYPE_ARM_VGIC_V5	KVM_DEV_TYPE_ARM_VGIC_V5
 
@@ -1610,7 +1620,7 @@ struct kvm_stats_desc {
 #ifdef __KERNEL__
 	char name[KVM_STATS_NAME_SIZE];
 #else
-	char name[];
+	__DECLARE_FLEX_ARRAY(char, name);
 #endif
 };
 
diff --git a/tools/include/uapi/linux/rtnetlink.h b/tools/include/uapi/linux/rtnetlink.h
index dab9493c791b..27265fd31e5f 100644
--- a/tools/include/uapi/linux/rtnetlink.h
+++ b/tools/include/uapi/linux/rtnetlink.h
@@ -840,6 +840,7 @@ enum {
 #define RTEXT_FILTER_CFM_CONFIG	(1 << 5)
 #define RTEXT_FILTER_CFM_STATUS	(1 << 6)
 #define RTEXT_FILTER_MST	(1 << 7)
+#define RTEXT_FILTER_NAME_ONLY	(1 << 8)
 
 /* End of information exported to user level */