Re: [PATCH dovetail v10 00/11] riscv: Add dovetail support

Philippe Gerum <[email protected]> Tue, 07 Jul 2026 15:53:37 +0200
Newsgroups dev.linux.lists.xenomai
Message-ID <[email protected]>
Florian Bezdeka <[email protected]> writes:

> On Mon, 2026-07-06 at 20:29 +0200, Tobias Schaffner wrote:
>> Hi all,
>> 
>> this series introduces initial support for Dovetail on RISC-V.
>> 
>> Feedback, suggestions, and especially reviews are very welcome.
>> 
>> Changes since v1:
>>  * Disable independent irq/softirq stack usage when pipelining
>>  * Drop KVM changes as long as they can not be properly tested
>> 
>> Changes since v2:
>>  * Rework trap handling
>> 
>> Changes since v3:
>>  * Included the IRQ pipelining patches to have all riscv specific
>>    patches included
>>  * Rebased to dovetail/v6.18.y-dovetail-rebase
>>  * Merged most of the fixes
>>  * Fixed IRQ Stack handling and enabled IRQ_STACKS again
>> 
>> Changes since v4:
>>  * Rebased to dovetail/v7.0.y-dovetail-rebase
>>  * Applied suggestions from the last patch set
>>  * Added starfive-visionfive2 board support
>>  * Introduced raw console device based on sbi debug console
>>  * Reworked pipelined irq handling
>> 
>> Changes since v5:
>>  * Rebased to tip of dovetail/v7.0.y-dovetail-rebase
>>  * Applied suggestions from the last patch set
>>  * Use mark_trap_entry/exit_raw for kernel mode exception paths which
>>    use irq_nmi_entry/exit for now, as the nmi irq handlers expect hard
>>    irqs to stay off. This may be be subject to further optimization at
>>    a later stage, but I do not see any negative impact latency wise in
>>    my tests.
>> 
>> Changes since v6:
>> Address the review comments from the last patch set:
>>  * Keep the virtual irq state in sync with the hard irq state in trap
>>    handlers
>>  * Fix irq_nesting imbalance when running with disabled IRQ_STACKS
>> 
>> Changes since v7:
>>  * Simplify Trap handling
>>  * Rebase to wip/flo/v7.1-dovetail-rebase
>> 
>> Changes since v8:
>>  * Further simplify trap handling adressing Florians suggestions and
>>    recent fixes to irq-entry-common
>> 
>> Changes since v9:
>>  * Fix checkpatch finding in patch 11 "riscv: Add dovetail support"
>> 
>
> Thanks, applied to the following branches:
>
> dovetail: wip/flo/v7.1-dovetail-rebase
> evl:      wip/flo/v7.1-evl-rebase
>
> Philippe, final test run has been scheduled, expecting both branches to
> be taken over by you. Any left overs?
>

Nothing in my Dovetail queue at the moment, we should be all set for
releasing Dovetail 7.1. I'll reconcile wip/flo/v7.1-evl-rebase and evl
upstream from that point.

-- 
Philippe.