Re: [PATCH dovetail v7 00/11] riscv: Add dovetail support

On Mon, 2026-05-11 at 11:29 +0200, Philippe Gerum wrote:
> Tobias Schaffner <[email protected]> writes:
> 
> > 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
> > 
> 
> Ok, this is ready for inclusion. We should target 7.2 since the 7.1-rc
> series is already running.
> 

I was blocked by some other hot topics here, so I didn't start the 7.1
porting yet. I might be able to apply them on top and do some more
testing for 7.1. Let's see.