Messages in this thread | | | Date | Wed, 6 Aug 2008 04:01:52 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH 2.6.26 2/25] mdb: Merkey's Kernel Debugger |
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On Tue, Aug 05, 2008 at 07:24:20PM -0600, jmerkey@wolfmountaingroup.com wrote: > > I'll post some patches with these changes and submit it as a module. I > will of course need to patch the kernel to introduce the die notifiers > where > they are not and there's the issue of cross call NMI to stop other > processors on SMP. > > That's the real issues, Andi, is the xcall stuff for IPC to control all > the processors.
NMIs have die notifiers too. That said a cleaner way would be to generalize the synchronization code already in kdump and reuse that.
-Andi
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