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

"Bezdeka, Florian" <[email protected]> Tue, 7 Jul 2026 10:51:05 +0000
Newsgroups dev.linux.lists.xenomai
Message-ID <[email protected]>
On Tue, 2026-07-07 at 12:02 +0200, Florian Bezdeka wrote:
> 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?

Yep. I forgot two commits 64afd165 and 0679eb1e from the 7.0 branch.

I will fix that in a minute.

> 
> Best regards,
> Florian