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selftests/bpf: Enable timed may_goto tests for riscv64

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Enable verifier_may_goto_1 (raw instruction tests), stream_cond_break
(250ms timeout path), and the may_goto_interaction fastcall test on
riscv64 now that the JIT supports timed may_goto.

Signed-off-by: Feng Jiang <jiangfeng@kylinos.cn>
Reviewed-by: Pu Lehui <pulehui@huawei.com>
Reviewed-by: Björn Töpel <bjorn@kernel.org>
Acked-by: Björn Töpel <bjorn@kernel.org>
Link: https://lore.kernel.org/bpf/20260723-riscv-bpf-timed-may-goto-v5-3-86acb54e5642@kylinos.cn
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
This commit is contained in:
Feng Jiang 2026-07-23 05:41:34 +00:00 committed by Kumar Kartikeya Dwivedi
parent a0032241aa
commit 3c2be3cbeb
No known key found for this signature in database
GPG Key ID: 472D377B63542F83
3 changed files with 7 additions and 1 deletions
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1
tools/testing/selftests/bpf/progs/stream.c
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@ -64,6 +64,7 @@ SEC("syscall")
__arch_x86_64
__arch_arm64
__arch_s390x
__arch_riscv64
__success __retval(0)
__stderr("ERROR: Timeout detected for may_goto instruction")
__stderr("CPU: {{[0-9]+}} UID: 0 PID: {{[0-9]+}} Comm: {{.*}}")

3
tools/testing/selftests/bpf/progs/verifier_bpf_fastcall.c
View File

@ -660,6 +660,7 @@ __naked void may_goto_interaction_x86_64(void)
SEC("raw_tp")
__arch_arm64
__arch_riscv64
__log_level(4) __msg("stack depth 24")
/* may_goto counter at -24 */
__xlated("0: *(u64 *)(r10 -24) =")
@ -679,7 +680,7 @@ __xlated("10: *(u64 *)(r10 -24) = r12")
__xlated("11: *(u64 *)(r10 -8) = r1")
__xlated("12: exit")
__success
__naked void may_goto_interaction_arm64(void)
__naked void may_goto_interaction(void)
{
asm volatile (
"r1 = 1;"

4
tools/testing/selftests/bpf/progs/verifier_may_goto_1.c
View File

@ -11,6 +11,7 @@ __description("may_goto 0")
__arch_x86_64
__arch_s390x
__arch_arm64
__arch_riscv64
__xlated("0: r0 = 1")
__xlated("1: exit")
__success
@ -31,6 +32,7 @@ __description("batch 2 of may_goto 0")
__arch_x86_64
__arch_s390x
__arch_arm64
__arch_riscv64
__xlated("0: r0 = 1")
__xlated("1: exit")
__success
@ -53,6 +55,7 @@ __description("may_goto batch with offsets 2/1/0")
__arch_x86_64
__arch_s390x
__arch_arm64
__arch_riscv64
__xlated("0: r0 = 1")
__xlated("1: exit")
__success
@ -79,6 +82,7 @@ __description("may_goto batch with offsets 2/0")
__arch_x86_64
__arch_s390x
__arch_arm64
__arch_riscv64
__xlated("0: *(u64 *)(r10 -16) = 65535")
__xlated("1: *(u64 *)(r10 -8) = 0")
__xlated("2: r12 = *(u64 *)(r10 -16)")