On Wed, 2023-02-01 at 14:20 +0100, Pierre Morel wrote:
> The topology information are attributes of the CPU and are
> specified during the CPU device creation.
>
> On hot plug we:
> - calculate the default values for the topology for drawers,
> books and sockets in the case they are not
TOPOLOGY KVM extension.
>
> The PTF instructions with function code 0 and 1 are intercepted
> and must be emulated by the userland hypervisor.
>
> During RESET all CPU of the configuration are placed in
> horizontal polarity.
>
> Signed-off-by: Pierre Morel
Reviewed-by: Nin
On Wed, 2023-07-05 at 12:22 +0200, Thomas Huth wrote:
> On 30/06/2023 11.17, Pierre Morel wrote:
> > This test takes care to check the changes on different entitlements
> > when the guest requests a polarization change.
> >
> > Signed-off-by: Pierre Morel
> > ---
> >
-off-by: Pierre Morel
Reviewed-by: Nina Schoetterl-Glausch
> ---
[...]
> diff --git a/tests/avocado/s390_topology.py
> b/tests/avocado/s390_topology.py
> new file mode 100644
> index 00..1758ec1f13
> --- /dev/null
> +++ b/tests/avocado/s390_topology.py
> @@ -0
e Morel
Reviewed-by: Nina Schoetterl-Glausch
ty to optimize the
> usage of the vCPUs.
>
> The command has a feature unstable for the moment.
>
> Signed-off-by: Pierre Morel
Reviewed-by: Nina Schoetterl-Glausch
Reviewed-by: Nina Schoetterl-Glausch
Some notes below.
The s390x/ prefix in the title might suggest that this patch
is s390 specific, but it touches common files.
On Fri, 2023-06-30 at 11:17 +0200, Pierre Morel wrote:
> S390 adds two new SMP levels, drawers and books to the CPU
> to
On Wed, 2023-07-12 at 22:11 +0200, Thomas Huth wrote:
> On 12/07/2023 21.37, Nina Schoetterl-Glausch wrote:
> > On Wed, 2023-07-05 at 12:22 +0200, Thomas Huth wrote:
> > > On 30/06/2023 11.17, Pierre Morel wrote:
> > > > This test takes care to check the changes on
On Wed, 2023-07-19 at 16:08 +0200, Pierre Morel wrote:
>
> On 7/14/23 18:30, Nina Schoetterl-Glausch wrote:
> > On Wed, 2023-07-12 at 22:11 +0200, Thomas Huth wrote:
> > > On 12/07/2023 21.37, Nina Schoetterl-Glausch wrote:
> > > > On Wed, 2023-07-05
Try to be consistent in the spelling of polarization.
You use an s in the title and in the test name below.
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote:
> Polarization is changed on a request from the guest.
> Let's verify the polarization is accordingly set by QEMU.
>
> Signed-off-by:
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote:
> Introduction of the s390x cpu topology core functions and
> basic tests.
>
> We test the corelation between the command line and
> the QMP results in query-cpus-fast for various CPU topology.
>
> Signed-off-by: Pierre Morel
> ---
>
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote:
> This test takes care to check the changes on different entitlements
> when the guest requests a polarization change.
>
> Signed-off-by: Pierre Morel
> ---
> tests/avocado/s390_topology.py | 56 ++
> 1 file
On Fri, 2023-06-30 at 11:17 +0200, Pierre Morel wrote:
> On interception of STSI(15.1.x) the System Information Block
> (SYSIB) is built from the list of pre-ordered topology entries.
>
> Signed-off-by: Pierre Morel
> ---
> MAINTAINERS | 1 +
> qapi/machine-target.json
f-by: Pierre Morel
> Reviewed-by: Thomas Huth
Reviewed-by: Nina Schoetterl-Glausch
On Fri, 2023-07-21 at 13:24 +0200, Pierre Morel wrote:
>
> On 7/18/23 18:31, Nina Schoetterl-Glausch wrote:
> > Reviewed-by: Nina Schoetterl-Glausch
> >
> > Some notes below.
> >
> > The s390x/ prefix in the title might suggest that this patch
> > is
On Fri, 2023-06-30 at 11:17 +0200, Pierre Morel wrote:
> The query-cpu-polarization qmp command returns the current
> CPU polarization of the machine.
>
> Signed-off-by: Pierre Morel
Reviewed-by: Nina Schoetterl-Glausch
[...]
On Fri, 2023-06-30 at 11:17 +0200, Pierre Morel wrote:
> On interception of STSI(15.1.x) the System Information Block
> (SYSIB) is built from the list of pre-ordered topology entries.
>
> Signed-off-by: Pierre Morel
> ---
> MAINTAINERS | 1 +
> qapi/machine-target.json
t; still get some advantage of the CPU topology.
>
> Signed-off-by: Pierre Morel
Reviewed-by: Nina Schoetterl-Glausch if you address
Thomas' comments.
> for all submodules passed on the command line.
>
> With this change, "ignore" mode is not needed anymore.
>
> Reported-by: Nina Schoetterl-Glausch
> Fixes: b11f9bd96f4 ("configure: move SLOF submodule handling to
> pc-bios/s390-ccw", 2023-06-06)
> Signed-off-
On Tue, 2023-06-20 at 22:44 +0200, Paolo Bonzini wrote:
> Il mar 20 giu 2023, 19:35 Nina Schoetterl-Glausch ha
> scritto:
> > > + modules="$modules $m"
> > > + grep $m $substat > /dev/null 2>&1 || $GIT submodule status
&
On Wed, 2023-06-21 at 16:07 +0200, Nina Schoetterl-Glausch wrote:
> On Tue, 2023-06-20 at 22:44 +0200, Paolo Bonzini wrote:
> > Il mar 20 giu 2023, 19:35 Nina Schoetterl-Glausch ha
> > scritto:
> > > > + modules="$modules $m"
> > >
> for all submodules passed on the command line.
>
> With this change, "ignore" mode is not needed anymore.
>
> Reported-by: Nina Schoetterl-Glausch
> Fixes: b11f9bd96f4 ("configure: move SLOF submodule handling to
> pc-bios/s390-ccw", 2023-06-06)
Reviewed-by: Ni
On Mon, 2023-06-05 at 11:52 +0200, Paolo Bonzini wrote:
> In the beginning, the network bootloader was considered experimental and
> thus optional, but it is well established nowadays and configure always
> checks for roms/SLOF before compiling pc-bios/s390-ccw.
Only if run in a git repository,
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote:
> S390 topology adds books and drawers topology containers.
> Let's add these to the HMP information for hotpluggable cpus.
>
> Signed-off-by: Pierre Morel
Reviewed-by: Nina Schoetterl-Glausch
if you fix the nits below.
>
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote:
> The query-cpu-polarization qmp command returns the current
> CPU polarization of the machine.
>
> Signed-off-by: Pierre Morel
> ---
> qapi/machine-target.json | 30 ++
> hw/s390x/cpu-topology.c | 14
On Wed, 2023-05-03 at 10:43 +0200, Pierre Morel wrote:
> On 5/2/23 19:22, Nina Schoetterl-Glausch wrote:
> > On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote:
> > > On interception of STSI(15.1.x) the System Information Block
> > > (SYSIB) is built from the l
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote:
> The modification of the CPU attributes are done through a monitor
> command.
>
> It allows to move the core inside the topology tree to optimize
> the cache usage in the case the host's hypervisor previously
> moved the CPU.
>
> The same
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote:
> When the guest asks to change the polarization this change
> is forwarded to the upper layer using QAPI.
> The upper layer is supposed to take according decisions concerning
> CPU provisioning.
>
> Signed-off-by: Pierre Morel
> ---
>
s->len, which is equal to ms->smp.max_cpus.
>
> Fix the wrong "core-id" 112 because it is greater than maxcpus (36) in
Maybe s/is greater/isn't less/ since the valid ids are 0-35 inclusive.
> -smp.
>
> Cc: Nina Schoetterl-Glausch
> Signed-off-by: Zhao Li
On Thu, 2024-03-14 at 16:54 +0100, Thomas Huth wrote:
> On 14/03/2024 16.49, Claudio Fontana wrote:
> > Hello Pierre, Ilya,
> >
> > I have a question on the s390x "topology" feature and examples.
> >
> > Mainly, is this feature supposed to be KVM accelerator-only, or also
> > available when
that we can point to,
> whenever we need to reference accelerators and how to select them.
>
> Signed-off-by: Claudio Fontana
Reviewed-by: Nina Schoetterl-Glausch
Tested-by: Nina Schoetterl-Glausch
(meaning I ran make html)
> ---
> docs/system/introduction.rst | 2 ++
> doc
On Thu, 2024-03-14 at 20:00 +0100, Claudio Fontana wrote:
> some users were confused by this message showing under TCG:
>
> Selected CPU generation is too new. Maximum supported model
> in the configuration: 'xyz'
>
> Try to clarify that the maximum can depend on the accel by
> adding also the
dd a
> hint to try a different one.
>
> Also add a hint for features mismatch to suggest trying
> different accel, QEMU and kernel versions.
>
> Signed-off-by: Claudio Fontana
Reviewed-by: Nina Schoetterl-Glausch
> ---
> target/s390x/cpu_models.c | 22 +++
On Wed, 2024-01-17 at 15:58 +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> When the migration frameworks fetches the exact pending sizes, it means
> this check:
>
> remaining_size < s->threshold_size
>
> Must have been done already, actually at migration_iteration_run():
>
> if
I cc'ed Juan, but it looks like he is no longer with Redhat.
On Wed, 2024-03-20 at 14:57 -0400, Peter Xu wrote:
> On Wed, Mar 20, 2024 at 06:51:26PM +0100, Nina Schoetterl-Glausch wrote:
> > On Wed, 2024-01-17 at 15:58 +0800, pet...@redhat.com wrote:
> > > From: Peter Xu
> > >
> > > When the migration frameworks fetch
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