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From: Jisheng Zhang <jszhang@kernel.org>
To: Conor.Dooley@microchip.com
Cc: paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, anup@brainfault.org,
	atishp@atishpatra.org, bigeasy@linutronix.de, tglx@linutronix.de,
	rostedt@goodmis.org, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	kvm-riscv@lists.infradead.org
Subject: Re: [PATCH v2 0/5] riscv: add PREEMPT_RT support
Date: Fri, 2 Sep 2022 21:09:45 +0800	[thread overview]
Message-ID: <YxIAmT2X9TU1CZhC@xhacker> (raw)
In-Reply-To: <4488b1ec-aa34-4be5-3b9b-c65f052f5270@microchip.com>

On Thu, Sep 01, 2022 at 04:41:52PM +0000, Conor.Dooley@microchip.com wrote:
> On 31/08/2022 18:59, Jisheng Zhang wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> > 
> > This series is to add PREEMPT_RT support to riscv:
> > patch1 adds the missing number of signal exits in vCPU stat
> > patch2 switches to the generic guest entry infrastructure
> > patch3 select HAVE_POSIX_CPU_TIMERS_TASK_WORK which is a requirement for
> > RT
> > patch4 adds lazy preempt support
> > patch5 allows to enable PREEMPT_RT
> > 
> 
> What version of the preempt_rt patch did you test this with?

v6.0-rc1 + v6.0-rc1-rt patch

> 
> Maybe I am missing something, but I gave this a whirl with
> v6.0-rc3 + v6.0-rc3-rt5 & was meant by a bunch of complaints.
> I am not familiar with the preempt_rt patch, so I am not sure what
> level of BUG()s or WARNING()s are to be expected, but I saw a fair
> few...

Could you please provide corresponding log? Usually, this means there's
a bug in related drivers, so it's better to fix them now rather than
wait for RT patches mainlined.

PS: which HW are you using?

Thanks

  reply	other threads:[~2022-09-02 13:51 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-31 17:59 [PATCH v2 0/5] riscv: add PREEMPT_RT support Jisheng Zhang
2022-08-31 17:59 ` [PATCH v2 1/5] RISC-V: KVM: Record number of signal exits as a vCPU stat Jisheng Zhang
2022-08-31 17:59 ` [PATCH v2 2/5] RISC-V: KVM: Use generic guest entry infrastructure Jisheng Zhang
2022-08-31 17:59 ` [PATCH v2 3/5] riscv: select HAVE_POSIX_CPU_TIMERS_TASK_WORK Jisheng Zhang
2022-08-31 17:59 ` [PATCH v2 4/5] riscv: add lazy preempt support Jisheng Zhang
2022-09-04 15:16   ` Guo Ren
2022-09-05  6:34     ` Sebastian Andrzej Siewior
2022-09-05  8:33       ` Guo Ren
2022-09-05  8:46         ` Sebastian Andrzej Siewior
2022-09-06  1:46           ` Guo Ren
2022-09-05 12:58         ` Jisheng Zhang
2022-08-31 17:59 ` [PATCH v2 5/5] riscv: Allow to enable RT Jisheng Zhang
2022-09-01  7:04 ` [PATCH v2 0/5] riscv: add PREEMPT_RT support Sebastian Andrzej Siewior
2022-09-01 13:44   ` Jisheng Zhang
2022-09-01 16:41 ` Conor.Dooley
2022-09-02 13:09   ` Jisheng Zhang [this message]
2022-09-02 13:29     ` Conor.Dooley
2022-11-11 14:32       ` Sebastian Andrzej Siewior
2022-11-11 14:34         ` Conor.Dooley
2022-11-12 21:40           ` Conor.Dooley
2023-03-14 13:07 ` Schaffner, Tobias

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