linux-next: manual merge of the bpf-next tree with the bpf tree

[Stephen Rothwell <sfr@canb.auug.org.au>]

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Hi all,

Today's linux-next merge of the bpf-next tree got a conflict in:

  tools/testing/selftests/bpf/test_progs.c

between commit:

  a4e21ff8d9a3 ("bpf: minor fix to selftest test_stacktrace_build_id()")

from the bpf tree and commit:

  79b453501310 ("tools/bpf: add a test for bpf_get_stack with tracepoint prog")

from the bpf-next tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc tools/testing/selftests/bpf/test_progs.c
index fac581f1c57f,aa336f0abebc..000000000000
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@@ -1137,9 -1193,14 +1193,14 @@@ static void test_stacktrace_build_id(vo
  		  err, errno))
  		goto disable_pmu;
  
+ 	stack_amap_fd = bpf_find_map(__func__, obj, "stack_amap");
+ 	if (CHECK(stack_amap_fd < 0, "bpf_find_map stack_amap",
+ 		  "err %d errno %d\n", err, errno))
+ 		goto disable_pmu;
+ 
  	assert(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")
  	       == 0);
 -	assert(system("./urandom_read if=/dev/urandom of=/dev/zero count=4 2> /dev/null") == 0);
 +	assert(system("./urandom_read") == 0);
  	/* disable stack trace collection */
  	key = 0;
  	val = 1;
@@@ -1188,8 -1249,15 +1249,15 @@@
  		previous_key = key;
  	} while (bpf_map_get_next_key(stackmap_fd, &previous_key, &key) == 0);
  
- 	CHECK(build_id_matches < 1, "build id match",
- 	      "Didn't find expected build ID from the map\n");
+ 	if (CHECK(build_id_matches < 1, "build id match",
 -		  "Didn't find expected build ID from the map"))
++		  "Didn't find expected build ID from the map\n"))
+ 		goto disable_pmu;
+ 
+ 	stack_trace_len = PERF_MAX_STACK_DEPTH
+ 		* sizeof(struct bpf_stack_build_id);
+ 	err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
+ 	CHECK(err, "compare_stack_ips stackmap vs. stack_amap",
+ 	      "err %d errno %d\n", err, errno);
  
  disable_pmu:
  	ioctl(pmu_fd, PERF_EVENT_IOC_DISABLE);

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