* Andy Lutomirski <l...@kernel.org> wrote:
> The kernel has several code paths that read CR3. Most of them assume that
> CR3 contains the PGD's physical address, whereas some of them awkwardly
> use PHYSICAL_PAGE_MASK to mask off low bits.
>
> Add explicit mask macros for CR3 and convert all of the CR3 readers.
> This will keep them from breaking when PCID is enabled.
>
> Cc: Tom Lendacky <thomas.lenda...@amd.com>
> Cc: Juergen Gross <jgr...@suse.com>
> Cc: xen-devel <xen-devel@lists.xen.org>
> Cc: Boris Ostrovsky <boris.ostrov...@oracle.com>
> Signed-off-by: Andy Lutomirski <l...@kernel.org>
> ---
>
> Hi Ingo-
>
> I broke this out because Tom's SME series and my PCID series both need it.
> Please consider applying it to tip:x86/mm.
>
> I'll send PCID v2 soon. It'll apply to x86/mm + sched/urgent + this patch.
Ok, thanks - will push it out after a bit of testing.
Note that I also merged sched/urgent into x86/mm, to create a better base tree
for
the PCID changes by picking up 252d2a4117bc that PCID depends on.
Thanks,
Ingo
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