Re: selftests ublk UBLK_IO_F_NEED_REG_BUF undeclared

On Tue, Jun 17, 2025 at 04:27:31PM +0530, Naresh Kamboju wrote:

The following build warnings / errors noticed while building the selftest/ublk with gcc-13 and clang-nightly toolchains on Linux next tree.

Please suggest if I am missing something in my build setup.

Regressions found on arm arm64 x86_64

• selftests ublk

Regression Analysis:

• New regression? Yes
• Reproducibility? Yes

Build regression: selftests ublk UBLK_IO_F_NEED_REG_BUF undeclared

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

## Build log

CC kublk

Please run 'make headers_install' before running the test.

Thanks, Ming