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selftests/bpf: Add __arch_s390x macro

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Make it possible to limit certain tests to s390x, just like it's
already done for x86_64, arm64, and riscv64.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20250821113339.292434-4-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Ilya Leoshkevich 2025-08-21 13:25:57 +02:00 committed by Alexei Starovoitov
parent b68dfcc12a
commit 1e4e6b9e26
2 changed files with 6 additions and 0 deletions
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1
tools/testing/selftests/bpf/progs/bpf_misc.h
View File

@ -136,6 +136,7 @@
#define __arch_x86_64 __arch("X86_64")
#define __arch_arm64 __arch("ARM64")
#define __arch_riscv64 __arch("RISCV64")
#define __arch_s390x __arch("s390x")
#define __caps_unpriv(caps) __attribute__((btf_decl_tag("comment:test_caps_unpriv=" EXPAND_QUOTE(caps))))
#define __load_if_JITed() __attribute__((btf_decl_tag("comment:load_mode=jited")))
#define __load_if_no_JITed() __attribute__((btf_decl_tag("comment:load_mode=no_jited")))

5
tools/testing/selftests/bpf/test_loader.c
View File

@ -374,6 +374,7 @@ enum arch {
ARCH_X86_64 = 0x2,
ARCH_ARM64 = 0x4,
ARCH_RISCV64 = 0x8,
ARCH_S390X = 0x10,
};
static int get_current_arch(void)
@ -384,6 +385,8 @@ static int get_current_arch(void)
return ARCH_ARM64;
#elif defined(__riscv) && __riscv_xlen == 64
return ARCH_RISCV64;
#elif defined(__s390x__)
return ARCH_S390X;
#endif
return ARCH_UNKNOWN;
}
@ -565,6 +568,8 @@ static int parse_test_spec(struct test_loader *tester,
arch = ARCH_ARM64;
} else if (strcmp(val, "RISCV64") == 0) {
arch = ARCH_RISCV64;
} else if (strcmp(val, "s390x") == 0) {
arch = ARCH_S390X;
} else {
PRINT_FAIL("bad arch spec: '%s'\n", val);
err = -EINVAL;