Messages in this thread | | | Subject | Re: [PATCH v2 01/11] kexec: introduce kexec_ops struct | From | "H. Peter Anvin" <> | Date | Thu, 22 Nov 2012 14:26:10 -0800 |
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Bullshit. This should be a separate domain.
Andrew Cooper <andrew.cooper3@citrix.com> wrote:
>On 22/11/12 17:47, H. Peter Anvin wrote: >> The other thing that should be considered here is how utterly >> preposterous the notion of doing in-guest crash dumping is in a >system >> that contains a hypervisor. The reason for kdump is that on bare >metal >> there are no other options, but in a hypervisor system the right >thing >> should be for the hypervisor to do the dump (possibly spawning a >clean >> I/O domain if the I/O domain is necessary to access the media.) >> >> There is absolutely no reason to have a crashkernel sitting around in > >> each guest, consuming memory, and possibly get corrupt. >> >> -hpa >> > >I agree that regular guests should not be using the kexec/kdump. >However, this patch series is required for allowing a pvops kernel to >be >a crash kernel for Xen, which is very important from dom0/Xen's point >of >view.
-- Sent from my mobile phone. Please excuse brevity and lack of formatting.
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