Re: [PATCH linux-evl 0/2] Add RISC-V support to EVL
Jan Kiszka <[email protected]> Wed, 8 Jul 2026 09:23:45 +0200
| Newsgroups | dev.linux.lists.xenomai |
|---|---|
| Message-ID | <[email protected]> |
On 08.07.26 08:26, Tobias Schaffner wrote: > > > On 7/8/26 08:07, Jan Kiszka wrote: >> On 08.07.26 07:17, Tobias Schaffner wrote: >>> On 7/8/26 00:30, Florian Bezdeka wrote: >>>> On Fri, 2025-10-10 at 12:10 +0200, Tobias Schaffner wrote: >>>>> Hi all, >>>>> >>>>> this series introduces an initial EVL port for RISC-V. >>>>> >>>>> While some tests are still failing, I’d like to share this early >>>>> version with the community to gather feedback, reviews, and hopefully >>>>> some assistance in refining the port. >>>>> >>>>> The patches have been tested in combination with the Dovetail RISC-V >>>>> port on top of v6.12-evl1-rebase. >>>>> >>>>> Looking forward to your feedback and suggestions. >>>>> >>>> >>>> I tried to apply this series today, and run into the following issues >>>> reported by my tooling. >>>> >>>> Patch 1 is fine, patch 2 has some checkpatch findings. >>>> >>>> A couple of debatable warnings like: >>>> >>>> WARNING: Misplaced SPDX-License-Identifier tag - use line 1 instead >>>> #58: FILE: arch/riscv/include/uapi/asm/evl/fptest.h:2: >>>> + * SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note >>>> >>>> WARNING: unnecessary whitespace before a quoted newline >>>> #95: FILE: arch/riscv/include/uapi/asm/evl/fptest.h:34: >>>> + >>>> >>>> In addition to a serious one: >>>> >>>> ERROR: Missing Signed-off-by: line by nominal patch author 'shannmu >>>> <[email protected]>' >>> >>> I did not get any responses from this email anymore. I can try to reach >>> out to him one last time, but what do we do about it if he will not >>> reply? >>> >> >> If I read that patch correctly, it's majority is taken from the >> corresponding Xenomai 3 logic. How much is unique contribution, how much >> was your work, Tobias? > > I added the evl_set_fpregs/evl_check_fpregs content which is a > translation from what Gilles Chanteperdrix > <[email protected]> did for the x86 and arm architectures > with some isa enablement bits added. > > This should be the initial version by shanmu where I added this on top: > https://github.com/shannmu/linux/blob/xenomai4/wip/dovetail-riscv/ > evl_port/arch/riscv/include/asm/evl/fptest.h > At least for this patch, I think it would be fair to claim authorship for the final one and only refer to shanmu as provider of a baseline. Jan -- Siemens AG, Foundational Technologies Linux Expert Center