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From: Olaf Hering <olaf@aepfle.de>
To: KY Srinivasan <kys@microsoft.com>,
	"vkuznets@redhat.com" <vkuznets@redhat.com>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>
Subject: RE: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel
Date: Wed, 07 Dec 2016 16:46:38 +0100	[thread overview]
Message-ID: <7CEFFEF3-911A-4D37-AC37-DF8C6A3395BF@aepfle.de> (raw)
In-Reply-To: <DM5PR03MB24907DE1957853FED1B87080A0850@DM5PR03MB2490.namprd03.prod.outlook.com>

Am 7. Dezember 2016 16:04:29 MEZ, schrieb KY Srinivasan <kys@microsoft.com>:

>Yes; I had played with this approach a while ago. The issue is that the
>host knows about a 
>bunch of in memory state that will be different in the kexec kernel.
>For instance if we did all
>the cleanup as part of the boot sequence, we will need access to all
>the interrupt/messaging 
>infrastructure that was set up in the previous kernel.


Where is that stored?  Perhaps it should be put into one place,  so that the new kernel can find and use it. 

Olaf 

  reply	other threads:[~2016-12-07 15:55 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-07  8:51 move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel Olaf Hering
2016-12-07 15:04 ` KY Srinivasan
2016-12-07 15:46   ` Olaf Hering [this message]
2016-12-07 16:10     ` KY Srinivasan
2016-12-07 16:19       ` Olaf Hering
2016-12-07 16:24         ` KY Srinivasan
2016-12-07 16:39           ` Olaf Hering
2016-12-07 18:11             ` KY Srinivasan
2016-12-15 10:26 ` Vitaly Kuznetsov
2016-12-15 10:34   ` Olaf Hering
2016-12-15 10:36     ` Olaf Hering
2016-12-15 10:54       ` Vitaly Kuznetsov
2016-12-15 10:54     ` Vitaly Kuznetsov
2016-12-15 12:51       ` Olaf Hering
2016-12-15 13:28         ` Vitaly Kuznetsov
2016-12-15 13:51           ` Olaf Hering
2016-12-15 14:32             ` Vitaly Kuznetsov
2016-12-16  0:51               ` KY Srinivasan
2016-12-15 15:16           ` Olaf Hering

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