From: Dev Jain Date: Wed, 5 Jun 2024 11:54:48 +0000 (+0530) Subject: kselftest/arm64: Fix redundancy of a testcase X-Git-Tag: v6.11-rc1~217^2~1^4~3 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=031d1f20d5db496a4fc980a59a7c6de83b8a5a76;p=thirdparty%2Fkernel%2Flinux.git kselftest/arm64: Fix redundancy of a testcase Currently, we are writing the same value as we read into the TLS register, hence we cannot confirm update of the register, making the testcase "verify_tpidr_one" redundant. Fix this. Signed-off-by: Dev Jain Reviewed-by: Mark Brown Link: https://lore.kernel.org/r/20240605115448.640717-1-dev.jain@arm.com [catalin.marinas@arm.com: remove the increment style change] Signed-off-by: Catalin Marinas --- diff --git a/tools/testing/selftests/arm64/abi/ptrace.c b/tools/testing/selftests/arm64/abi/ptrace.c index abe4d58d731df..4c941270d8de0 100644 --- a/tools/testing/selftests/arm64/abi/ptrace.c +++ b/tools/testing/selftests/arm64/abi/ptrace.c @@ -47,7 +47,7 @@ static void test_tpidr(pid_t child) /* ...write a new value.. */ write_iov.iov_len = sizeof(uint64_t); - write_val[0] = read_val[0]++; + write_val[0] = read_val[0] + 1; ret = ptrace(PTRACE_SETREGSET, child, NT_ARM_TLS, &write_iov); ksft_test_result(ret == 0, "write_tpidr_one\n");