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selftests/bpf: Enable timed may_goto verifier tests on s390x

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Now that the timed may_goto implementation is available on s390x,
enable the respective verifier tests.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20250821113339.292434-5-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Ilya Leoshkevich 2025-08-21 13:25:58 +02:00 committed by Alexei Starovoitov
parent 1e4e6b9e26
commit 7197dbcba2
2 changed files with 7 additions and 3 deletions
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2
tools/testing/selftests/bpf/prog_tests/stream.c
View File

@ -77,7 +77,7 @@ void test_stream_errors(void)
ASSERT_OK(ret, "ret");
ASSERT_OK(opts.retval, "retval");
#if !defined(__x86_64__)
#if !defined(__x86_64__) && !defined(__s390x__)
ASSERT_TRUE(1, "Timed may_goto unsupported, skip.");
if (i == 0) {
ret = bpf_prog_stream_read(prog_fd, 2, buf, sizeof(buf), &ropts);

8
tools/testing/selftests/bpf/progs/verifier_may_goto_1.c
View File

@ -9,6 +9,7 @@
SEC("raw_tp")
__description("may_goto 0")
__arch_x86_64
__arch_s390x
__xlated("0: r0 = 1")
__xlated("1: exit")
__success
@ -27,6 +28,7 @@ __naked void may_goto_simple(void)
SEC("raw_tp")
__description("batch 2 of may_goto 0")
__arch_x86_64
__arch_s390x
__xlated("0: r0 = 1")
__xlated("1: exit")
__success
@ -47,6 +49,7 @@ __naked void may_goto_batch_0(void)
SEC("raw_tp")
__description("may_goto batch with offsets 2/1/0")
__arch_x86_64
__arch_s390x
__xlated("0: r0 = 1")
__xlated("1: exit")
__success
@ -69,8 +72,9 @@ __naked void may_goto_batch_1(void)
}
SEC("raw_tp")
__description("may_goto batch with offsets 2/0 - x86_64")
__description("may_goto batch with offsets 2/0 - x86_64 and s390x")
__arch_x86_64
__arch_s390x
__xlated("0: *(u64 *)(r10 -16) = 65535")
__xlated("1: *(u64 *)(r10 -8) = 0")
__xlated("2: r11 = *(u64 *)(r10 -16)")
@ -84,7 +88,7 @@ __xlated("9: r0 = 1")
__xlated("10: r0 = 2")
__xlated("11: exit")
__success
__naked void may_goto_batch_2_x86_64(void)
__naked void may_goto_batch_2_x86_64_s390x(void)
{
asm volatile (
".8byte %[may_goto1];"