[PATCH] x86, kdump: Fix efi=noruntime NULL pointer dereference

Mike Galbraith efault at gmx.de
Thu Aug 23 21:48:58 PDT 2018


On Thu, 2018-08-23 at 11:57 +0800, Dave Young wrote:
> 
> Mike, since we are going this way, I'm working on a kexec code cleanup,
> but it needs careful testing so still need some time.
> 
> Can you help test below efi fix and provide you tested-by if it works?

While it averts the efi=noruntime oops on kdump kernel load, the kernel
does not boot when kdump is triggered.  Bailing in setup_efi_state() in
addition restores functionality.

	-Mike



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