Messages in this thread | | | Date | Tue, 1 Mar 2016 13:56:58 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH V2 1/2] kexec: Make a pair of map/unmap reserved pages in error path |
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On Tue, 1 Mar 2016 16:02:28 +0800 Minfei Huang <mnfhuang@gmail.com> wrote:
> For some arch, kexec shall map the reserved pages, then use them, when > we try to start the kdump service.
Which architectures are these, by the way?
> kexec may return directly, without unmaping the reserved pages, if it > fails during starting service. To fix it, we make a pair of map/unmap > reserved pages both in generic path and error path.
I'm having trouble understanding the urgency of this patch. Do you think it is needed in 4.5? -stable? If so, why?
Thanks.
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