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Re: [PATCH v2 0/3] xen/x86: Change stub page freeing to fix smt=0
- To: Jason Andryuk <jason.andryuk@xxxxxxx>, oleksii.kurochko@xxxxxxxxx
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Fri, 5 Jun 2026 09:32:34 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>
- Delivery-date: Fri, 05 Jun 2026 07:32:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
You want to Cc Oleksii for those, as we would like to get them into
4.22. I've added him to the cover letter so he is aware.
Regards, Roger.
On Thu, Jun 04, 2026 at 07:18:34PM -0400, Jason Andryuk wrote:
> This is a different approach to fixing the stub page handling that is
> broken with !CONFIG_PV and smt=0.
>
> Jason Andryuk (3):
> xen/x86: Remove unneeded stub_page setting
> xen/x86: Split out page_walk_mfn() helper
> xen/x86: Change stub page allocation/free logic
>
> xen/arch/x86/include/asm/mm.h | 1 +
> xen/arch/x86/smpboot.c | 32 ++++++++++++++++++++------------
> xen/arch/x86/x86_64/mm.c | 31 +++++++++++++++++++++----------
> 3 files changed, 42 insertions(+), 22 deletions(-)
>
> --
> 2.54.0
>
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