From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jisheng Zhang Date: Fri, 2 Sep 2022 21:09:45 +0800 Subject: [PATCH v2 0/5] riscv: add PREEMPT_RT support In-Reply-To: <4488b1ec-aa34-4be5-3b9b-c65f052f5270@microchip.com> References: <20220831175920.2806-1-jszhang@kernel.org> <4488b1ec-aa34-4be5-3b9b-c65f052f5270@microchip.com> Message-ID: List-Id: To: kvm-riscv@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Thu, Sep 01, 2022 at 04:41:52PM +0000, Conor.Dooley at 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