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RE: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel

From KY Srinivasan <kys@microsoft.com>
Newsgroups linux.kernel
Subject RE: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel
Date 2016-12-07 21:50 +0100
Message-ID <sLRk6-4Vw-17@gated-at.bofh.it> (permalink)
References (2 earlier) <sLMNs-1Yv-31@gated-at.bofh.it> <sLN6N-2oP-13@gated-at.bofh.it> <sLN6N-2oP-11@gated-at.bofh.it> <sLNgt-2s2-1@gated-at.bofh.it> <sLNzQ-2yE-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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> -----Original Message-----
> From: Olaf Hering [mailto:olaf@aepfle.de]
> Sent: Wednesday, December 7, 2016 8:40 AM
> To: KY Srinivasan <kys@microsoft.com>
> Cc: vkuznets@redhat.com; gregkh@linuxfoundation.org; linux-
> kernel@vger.kernel.org; devel@linuxdriverproject.org
> Subject: Re: move hyperv CHANNELMSG_UNLOAD from crashed kernel to
> kdump kernel
> 
> On Wed, Dec 07, KY Srinivasan wrote:
> 
> > May be a better solution might be to have a new mechanism to indicate
> > to the host that all state of the previous incarnation of the kernel
> > needs to be cleaned up.  This will be close to what we have on
> > hardware.
> 
> That would be cool, but until this appears and until its deployed in
> Azure and elsewhere I will likely lose the remaining hairs.

I think the code we have upstream works; I have not seen any issues reported.
I will try to get the host guys to implement this - hopefully it won't be too late!

K. Y
> 
> Olaf

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Thread

move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel Olaf Hering <olaf@aepfle.de> - 2016-12-07 10:00 +0100
  RE: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel KY Srinivasan <kys@microsoft.com> - 2016-12-07 16:10 +0100
    RE: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel Olaf Hering <olaf@aepfle.de> - 2016-12-07 17:00 +0100
      Re: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel Olaf Hering <olaf@aepfle.de> - 2016-12-07 17:20 +0100
        RE: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel KY Srinivasan <kys@microsoft.com> - 2016-12-07 17:30 +0100
          Re: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel Olaf Hering <olaf@aepfle.de> - 2016-12-07 17:50 +0100
            RE: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel KY Srinivasan <kys@microsoft.com> - 2016-12-07 21:50 +0100
      RE: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel KY Srinivasan <kys@microsoft.com> - 2016-12-07 17:20 +0100

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