Re: [PATCH 07/12] x86/virt/guest/xen: Remove use of pgd_list from the Xen guest code

[Linus Torvalds]

On Thu, Jun 11, 2015 at 7:07 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> But we want to remove the pgd_list, so convert the code over to walk
> all tasks in the system. This is an equivalent method.

This is not at all equivalent, and it looks stupid.

Don't use "for_each_process_thread(g, p)". You only care about each
mm, and threads all share the same mm, so just do

    for_each_process(p)

instead of iterating over all threads too.

No?

               Linus
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