On Thu, 03 Nov 2022 01:04:51 PDT (-0700), guoren@kernel.org wrote:

From: Guo Ren guoren@kernel.org

Enable vDSO getcpu & gettimeofday test for riscv. But only riscv64 supports __vdso_gettimeofday and riscv32 is under development.

VERSION { LINUX_4.15 { global: __vdso_rt_sigreturn; __vdso_gettimeofday; __vdso_clock_gettime; __vdso_clock_getres; __vdso_getcpu; __vdso_flush_icache; local: *; }; }

Co-developed-by: haocheng.zy haocheng.zy@linux.alibaba.com Signed-off-by: haocheng.zy haocheng.zy@linux.alibaba.com Suggested-by: Mao Han han_mao@linux.alibaba.com Reviewed-by: Shuah Khan skhan@linuxfoundation.org Signed-off-by: Guo Ren guoren@linux.alibaba.com Signed-off-by: Guo Ren guoren@kernel.org Cc: Paul Walmsley paul.walmsley@sifive.com Cc: Palmer Dabbelt palmer@dabbelt.com Cc: Elliott Hughes enh@google.com

---

tools/testing/selftests/vDSO/vdso_test_getcpu.c | 4 ++++ tools/testing/selftests/vDSO/vdso_test_gettimeofday.c | 3 +++ 2 files changed, 7 insertions(+)

diff --git a/tools/testing/selftests/vDSO/vdso_test_getcpu.c b/tools/testing/selftests/vDSO/vdso_test_getcpu.c index fc25ede131b8..1df5d057d79f 100644 --- a/tools/testing/selftests/vDSO/vdso_test_getcpu.c +++ b/tools/testing/selftests/vDSO/vdso_test_getcpu.c @@ -14,7 +14,11 @@ #include "../kselftest.h" #include "parse_vdso.h"

+#if defined(__riscv) +const char *version = "LINUX_4.15"; +#else const char *version = "LINUX_2.6"; +#endif const char *name = "__vdso_getcpu";

struct getcpu_cache; diff --git a/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c b/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c index 8ccc73ed8240..e411f287a426 100644 --- a/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c +++ b/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c @@ -27,6 +27,9 @@ #if defined(__aarch64__) const char *version = "LINUX_2.6.39"; const char *name = "__kernel_gettimeofday"; +#elif defined(__riscv) +const char *version = "LINUX_4.15"; +const char *name = "__vdso_gettimeofday"; #else const char *version = "LINUX_2.6"; const char *name = "__vdso_gettimeofday";

Reviewed-by: Palmer Dabbelt palmer@rivosinc.com Acked-by: Palmer Dabbelt palmer@rivosinc.com

Looks like Shauh usually takes patches for this vdso selftest, but happy to take it through the RISC-V tree if that's easier. Either way's fine with me, I'm leaving it in patchwork for now as a reminder.

Thanks!