Re: [PULL 00/11] MSHV changes for 2026-10-06

[Magnus Kulke <magnuskulke@linux.microsoft.com>]

On Sun, Oct 11, 2026 at 10:24:58AM +0300, Michael Tokarev wrote:
> On 06.10.2026 19:48, Magnus Kulke wrote:
> > Various minor fixes and a feature (gdb debugger support) for the Microsoft
> > Hypervisor (mshv) accelerator. The changes have been rebased and re-tested
> > individually.
> > 
> > My public certificate is available at:
> > https://mkulke.github.io/magnuskulke.asc
> > 
> > Primary key fingerprint:
> > 5255 B617 7982 9168 7022 31CA 68D9 BB56 DD17 8417
> > 
> > The following changes since commit 3377670ee96b5a68361016680a95b9013709d4b7:
> > 
> >    Merge tag 'linux-user-next-pull-request' of https://github.com/hdeller/qemu-hppa into staging (2026-10-05 07:14:51 +0200)
> > 
> > are available in the Git repository at:
> > 
> >    https://github.com/mkulke/qemu.git tags/mkulke-pull-20261006
> > 
> > for you to fetch changes up to 7d42b0a4f52d57cd2d9e0a9ceb8ad5102219a801:
> > 
> >    target/i386/mshv: support single-stepping (2026-10-06 18:14:35 +0200)
> > 
> > ----------------------------------------------------------------
> > mshv changes for 2026-10-06
> > 
> > ----------------------------------------------------------------
> > Doru Blânzeanu (9):
> >        target/i386/mshv: fix read/write memory across the page boundary
> >        include/hw/hyperv: move hv_vp_register_page struct definition
> >        target/i386/mshv: abort when hv_vp_register_page setup fails
> >        target/i386/mshv: remove fallback for register page get registers
> >        target/i386/mshv: remove fallback for register page set registers
> >        target/i386/mshv: fix pio handlers clobbering device-modified registers
> >        include/hw/hyperv: add ABI for exception intercepts and pending events
> >        accel/mshv: add gdbstub software breakpoint support
> >        target/i386/mshv: support single-stepping
> > 
> > Magnus Kulke (2):
> >        target/i386/mshv: zero-init msr hvcall args
> >        target/i386/mshv: Fix cpu feature-leak from host
> 
> Is there anything in this patch set to be picked up for the currently
> active stable qemu series (10.0.x lts and 11.1.x)?
> 
> Or do we skip mshv updates in there still?
> 
> Thanks,
> 
> /mjt

Yes, I would still skip backports of mshv code for stable qemu at this
point. access to l1vh-enabled compute is still limited and there are no
critical fixes in this set.

best,

magnus