Re: [PATCH 4/5] x86/hvm: only register the r/o subpage ops when needed

2025-04-13 Thread Jan Beulich
On 11.04.2025 12:54, Roger Pau Monne wrote: > MMIO operation handlers can be expensive to process, hence attempt to > register only those that will be needed by the domain. > > Subpage r/o MMIO regions are added exclusively at boot, further limit their > addition to strictly before the initial dom

Re: [PATCH 5/5] x86/mm: move mmio_ro_emulated_write() to PV only file

2025-04-13 Thread Jan Beulich
On 11.04.2025 12:54, Roger Pau Monne wrote: > mmio_ro_emulated_write() is only used in pv/ro-page-fault.c, move the > function to that file and make it static. > > No functional change intended. > > Signed-off-by: Roger Pau Monné Reviewed-by: Jan Beulich with ... > --- a/xen/arch/x86/pv/ro-pa

Re: [PATCH 3/5] x86/hvm: fix handling of accesses to partial r/o MMIO pages

2025-04-13 Thread Jan Beulich
On 11.04.2025 12:54, Roger Pau Monne wrote: > The current logic to handle accesses to MMIO pages partially read-only is > based on the (now removed) logic used to handle accesses to the r/o MMCFG > region(s) for PVH v1 dom0. However that has issues when running on AMD > hardware, as in that case t

Re: Serious AMD-Vi issue

2025-04-13 Thread Elliott Mitchell
On Mon, Jan 27, 2025 at 10:44:33AM +0100, Roger Pau Monné wrote: > On Fri, Jan 24, 2025 at 01:26:23PM -0800, Elliott Mitchell wrote: > > > > In fact what seems a likely reproduction on Intel hardware is the Intel > > sound card issue. I notice that issue occurs when sound *starts* > > playing. W

[PATCH] CI: fix waiting for final test message (again)

2025-04-13 Thread Marek Marczykowski-Górecki
The previous attempt has correct diagnosis, but added -notransfer flag in a wrong place - it should be used in the first (outer) match out of two, not the second (inner) one. Fixes: 1e12cbd6af2c ("CI: fix waiting for final test message") Signed-off-by: Marek Marczykowski-Górecki --- This actually