netdev - RE: [PATCH V3 10/11] drivers/hv/vmbus, video/hyperv_fb: Untangle and refactor Hyper-V panic notifiers

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Date:   Mon, 17 Oct 2022 15:26:51 +0000
From:   "Michael Kelley (LINUX)" <mikelley@...rosoft.com>
To:     "Guilherme G. Piccoli" <gpiccoli@...lia.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "bhe@...hat.com" <bhe@...hat.com>,
        "pmladek@...e.com" <pmladek@...e.com>,
        "kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
        Wei Liu <wei.liu@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "kernel-dev@...lia.com" <kernel-dev@...lia.com>,
        "kernel@...ccoli.net" <kernel@...ccoli.net>,
        "halves@...onical.com" <halves@...onical.com>,
        "fabiomirmar@...il.com" <fabiomirmar@...il.com>,
        "alejandro.j.jimenez@...cle.com" <alejandro.j.jimenez@...cle.com>,
        "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
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        "corbet@....net" <corbet@....net>,
        "d.hatayama@...fujitsu.com" <d.hatayama@...fujitsu.com>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "dyoung@...hat.com" <dyoung@...hat.com>,
        "feng.tang@...el.com" <feng.tang@...el.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "hidehiro.kawai.ez@...achi.com" <hidehiro.kawai.ez@...achi.com>,
        "jgross@...e.com" <jgross@...e.com>,
        "john.ogness@...utronix.de" <john.ogness@...utronix.de>,
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        "luto@...nel.org" <luto@...nel.org>,
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        "peterz@...radead.org" <peterz@...radead.org>,
        "rostedt@...dmis.org" <rostedt@...dmis.org>,
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        "tglx@...utronix.de" <tglx@...utronix.de>,
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        vkuznets <vkuznets@...hat.com>,
        "will@...nel.org" <will@...nel.org>,
        "xuqiang36@...wei.com" <xuqiang36@...wei.com>,
        Andrea Parri <parri.andrea@...il.com>,
        Dexuan Cui <decui@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Tianyu Lan <Tianyu.Lan@...rosoft.com>
Subject: RE: [PATCH V3 10/11] drivers/hv/vmbus, video/hyperv_fb: Untangle and
 refactor Hyper-V panic notifiers

From: Guilherme G. Piccoli <gpiccoli@...lia.com> Sent: Tuesday, October 4, 2022 10:20 AM
> 
> On 04/10/2022 13:24, Michael Kelley (LINUX) wrote:
> > [...]
> >
> > Tested this patch in combination with Patch 9 in this series.  Verified
> > that both the panic and die paths work correctly with notification to
> > Hyper-V via hyperv_report_panic() or via hv_kmsg_dump().  Hyper-V
> > framebuffer is updated as expected, though I did not reproduce
> > a case where the ring buffer lock is held.  vmbus_initiate_unload() runs
> > as expected.
> >
> > Tested-by: Michael Kelley <mikelley@...rosoft.com>
> >
> 
> Thanks a lot for the tests/review Michael!
> 
> Do you think Hyper-V folks could add both patches in hv tree? If you
> prefer, I can re-send them individually.
> 

Wei Liu:  Could you pick up Patch 9 and Patch 10 from this series in the
hyperv-next tree?

Michael