Messages in this thread | | | From | "Luck, Tony" <> | Date | Tue, 11 Oct 2011 11:59:41 -0700 | Subject | RE: [Patch 1/4][kernel][slimdump] Add new elf-note of type NT_NOCOREDUMP to capture slimdump |
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> So, in any case we may not be able to disable machine-check exceptions > (MCEs) only within the context of kexec'ed kernel. Let me know if I've > missed something here.
Linux sets the CR4.MCE bit - look for "set_in_cr4(X86_CR4_MCE)" for places where it does so. You can ask it not to do that with "mce=off" argument.
So we can control this from the OS level.
-Tony
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