Re: IO port write width clamping differs between TCG and KVM

2023-01-04 Thread Laszlo Ersek
(Adding Gerd.) On 1/4/23 08:23, Philippe Mathieu-Daudé wrote: > Hi Laszlo, > > Happy new year! Happy new year! :) Sorry for not responding earlier, I was busy writing & testing the patch. [...] >> However, what I *really* don't understand is why this commit >> (5d971f9e672507210e77d020d89e0e891

Re: IO port write width clamping differs between TCG and KVM

2023-01-03 Thread Philippe Mathieu-Daudé
Hi Laszlo, Happy new year! On 4/1/23 08:04, Laszlo Ersek wrote: Adding Michael. The thread started here: https://lists.gnu.org/archive/html/qemu-devel/2023-01/msg00199.html More below: On 1/4/23 07:06, Laszlo Ersek wrote: On 1/3/23 18:42, Laszlo Ersek wrote: (resending with qemu-devel on C

Re: IO port write width clamping differs between TCG and KVM

2023-01-03 Thread Laszlo Ersek
Adding Michael. The thread started here: https://lists.gnu.org/archive/html/qemu-devel/2023-01/msg00199.html More below: On 1/4/23 07:06, Laszlo Ersek wrote: > On 1/3/23 18:42, Laszlo Ersek wrote: >> (resending with qemu-devel on CC; sorry!) >> >> Hi, >> >> this is with QEMU-7.2. > > This is a r

Re: IO port write width clamping differs between TCG and KVM

2023-01-03 Thread Laszlo Ersek
On 1/4/23 07:06, Laszlo Ersek wrote: > On 1/3/23 18:42, Laszlo Ersek wrote: >> (resending with qemu-devel on CC; sorry!) >> >> Hi, >> >> this is with QEMU-7.2. > > This is a regression. It works fine with QEMU-5.0. The regression has > not been fixed since QEMU-7.2, as of master @ 222059a0fccf ("M

Re: IO port write width clamping differs between TCG and KVM

2023-01-03 Thread Laszlo Ersek
On 1/3/23 18:42, Laszlo Ersek wrote: > (resending with qemu-devel on CC; sorry!) > > Hi, > > this is with QEMU-7.2. This is a regression. It works fine with QEMU-5.0. The regression has not been fixed since QEMU-7.2, as of master @ 222059a0fccf ("Merge tag 'pull-ppc-20221221' of https://gitlab.c

IO port write width clamping differs between TCG and KVM

2023-01-03 Thread Laszlo Ersek
(resending with qemu-devel on CC; sorry!) Hi, this is with QEMU-7.2. "docs/specs/acpi_cpu_hotplug.rst" writes: > Legacy ACPI CPU hotplug interface registers > --- > ... > - The first DWORD in bitmap is used in write mode to switch from legacy > to moder