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[PATCH v2 0/3] xen/x86: Change stub page freeing to fix smt=0
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Thu, 4 Jun 2026 19:18:34 -0400
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- Cc: Jason Andryuk <jason.andryuk@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>
- Delivery-date: Thu, 04 Jun 2026 23:47:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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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