Re: [PATCH] x86: fix {pmd,pud}_{set,clear}_flags()
From: Juergen Gross
Date: Mon Feb 19 2018 - 11:23:12 EST
On 19/02/18 15:48, Jan Beulich wrote:
> Just like pte_{set,clear}_flags() their PMD and PUD counterparts should
> not do any address translation. This was outright wrong under Xen
> (causing a dead boot with no useful output on "suitable" systems), and
> produced needlessly more complicated code (even if just slightly) when
> paravirt was enabled.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
While the changes look alright I'm really curious which kind of failure
you are seeing, especially considering how long those functions haven't
been changed (since more than 6 years).
Juergen