Messages in this thread | | | Date | Tue, 21 Mar 2017 10:27:56 +0100 | From | Petr Tesarik <> | Subject | Re: [PATCH v3 1/3] kexec: Move vmcoreinfo out of the kernel's .bss section |
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On Mon, 20 Mar 2017 13:50:31 +0800 Xunlei Pang <xlpang@redhat.com> wrote:
> As Eric said, > "what we need to do is move the variable vmcoreinfo_note out > of the kernel's .bss section. And modify the code to regenerate > and keep this information in something like the control page. > > Definitely something like this needs a page all to itself, and ideally > far away from any other kernel data structures. I clearly was not > watching closely the data someone decided to keep this silly thing > in the kernel's .bss section." > > This patch allocates extra pages for these vmcoreinfo_XXX variables, > one advantage is that it enhances some safety of vmcoreinfo, because > vmcoreinfo now is kept far away from other kernel data structures.
Yes, I like this patch set very much now. Thank you!
Petr T
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