Merge tag 'bpf-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Pull bpf updates from Alexei Starovoitov:

 - Add BPF uprobe session support (Jiri Olsa)

 - Optimize uprobe performance (Andrii Nakryiko)

 - Add bpf_fastcall support to helpers and kfuncs (Eduard Zingerman)

 - Avoid calling free_htab_elem() under hash map bucket lock (Hou Tao)

 - Prevent tailcall infinite loop caused by freplace (Leon Hwang)

 - Mark raw_tracepoint arguments as nullable (Kumar Kartikeya Dwivedi)

 - Introduce uptr support in the task local storage map (Martin KaFai
   Lau)

 - Stringify errno log messages in libbpf (Mykyta Yatsenko)

 - Add kmem_cache BPF iterator for perf's lock profiling (Namhyung Kim)

 - Support BPF objects of either endianness in libbpf (Tony Ambardar)

 - Add ksym to struct_ops trampoline to fix stack trace (Xu Kuohai)

 - Introduce private stack for eligible BPF programs (Yonghong Song)

 - Migrate samples/bpf tests to selftests/bpf test_progs (Daniel T. Lee)

 - Migrate test_sock to selftests/bpf test_progs (Jordan Rife)

* tag 'bpf-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (152 commits)
  libbpf: Change hash_combine parameters from long to unsigned long
  selftests/bpf: Fix build error with llvm 19
  libbpf: Fix memory leak in bpf_program__attach_uprobe_multi
  bpf: use common instruction history across all states
  bpf: Add necessary migrate_disable to range_tree.
  bpf: Do not alloc arena on unsupported arches
  selftests/bpf: Set test path for token/obj_priv_implicit_token_envvar
  selftests/bpf: Add a test for arena range tree algorithm
  bpf: Introduce range_tree data structure and use it in bpf arena
  samples/bpf: Remove unused variable in xdp2skb_meta_kern.c
  samples/bpf: Remove unused variables in tc_l2_redirect_kern.c
  bpftool: Cast variable `var` to long long
  bpf, x86: Propagate tailcall info only for subprogs
  bpf: Add kernel symbol for struct_ops trampoline
  bpf: Use function pointers count as struct_ops links count
  bpf: Remove unused member rcu from bpf_struct_ops_map
  selftests/bpf: Add struct_ops prog private stack tests
  bpf: Support private stack for struct_ops progs
  selftests/bpf: Add tracing prog private stack tests
  bpf, x86: Support private stack in jit
  ...

1 files changed, 0 insertions, 106 deletions

diff --git a/samples/bpf/test_cgrp2_array_pin.c b/samples/bpf/test_cgrp2_array_pin.c
deleted file mode 100644
index 05e88aa63009..000000000000
--- a/samples/bpf/test_cgrp2_array_pin.c
+++ /dev/null
@@ -1,106 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (c) 2016 Facebook
- */
-#include <linux/unistd.h>
-#include <linux/bpf.h>
-
-#include <stdio.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-
-#include <bpf/bpf.h>
-
-static void usage(void)
-{
-	printf("Usage: test_cgrp2_array_pin [...]\n");
-	printf("       -F <file>   File to pin an BPF cgroup array\n");
-	printf("       -U <file>   Update an already pinned BPF cgroup array\n");
-	printf("       -v <value>  Full path of the cgroup2\n");
-	printf("       -h          Display this help\n");
-}
-
-int main(int argc, char **argv)
-{
-	const char *pinned_file = NULL, *cg2 = NULL;
-	int create_array = 1;
-	int array_key = 0;
-	int array_fd = -1;
-	int cg2_fd = -1;
-	int ret = -1;
-	int opt;
-
-	while ((opt = getopt(argc, argv, "F:U:v:")) != -1) {
-		switch (opt) {
-		/* General args */
-		case 'F':
-			pinned_file = optarg;
-			break;
-		case 'U':
-			pinned_file = optarg;
-			create_array = 0;
-			break;
-		case 'v':
-			cg2 = optarg;
-			break;
-		default:
-			usage();
-			goto out;
-		}
-	}
-
-	if (!cg2 || !pinned_file) {
-		usage();
-		goto out;
-	}
-
-	cg2_fd = open(cg2, O_RDONLY);
-	if (cg2_fd < 0) {
-		fprintf(stderr, "open(%s,...): %s(%d)\n",
-			cg2, strerror(errno), errno);
-		goto out;
-	}
-
-	if (create_array) {
-		array_fd = bpf_map_create(BPF_MAP_TYPE_CGROUP_ARRAY, NULL,
-					  sizeof(uint32_t), sizeof(uint32_t),
-					  1, NULL);
-		if (array_fd < 0) {
-			fprintf(stderr,
-				"bpf_create_map(BPF_MAP_TYPE_CGROUP_ARRAY,...): %s(%d)\n",
-				strerror(errno), errno);
-			goto out;
-		}
-	} else {
-		array_fd = bpf_obj_get(pinned_file);
-		if (array_fd < 0) {
-			fprintf(stderr, "bpf_obj_get(%s): %s(%d)\n",
-				pinned_file, strerror(errno), errno);
-			goto out;
-		}
-	}
-
-	ret = bpf_map_update_elem(array_fd, &array_key, &cg2_fd, 0);
-	if (ret) {
-		perror("bpf_map_update_elem");
-		goto out;
-	}
-
-	if (create_array) {
-		ret = bpf_obj_pin(array_fd, pinned_file);
-		if (ret) {
-			fprintf(stderr, "bpf_obj_pin(..., %s): %s(%d)\n",
-				pinned_file, strerror(errno), errno);
-			goto out;
-		}
-	}
-
-out:
-	if (array_fd != -1)
-		close(array_fd);
-	if (cg2_fd != -1)
-		close(cg2_fd);
-	return ret;
-}