motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-08 18:23:57 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

s390x/cpu topology: resetting the Topology-Change-Report

Browse source 
During a subsystem reset the Topology-Change-Report is cleared
by the machine.
Let's ask KVM to clear the Modified Topology Change Report (MTCR)
bit of the SCA in the case of a subsystem reset.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Co-developed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Message-ID: <20231016183925.2384704-7-nsg@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Pierre Morel 2023-10-16 20:39:10 +02:00 • committed by Thomas Huth
parent a67f05b391
commit 3d6e75f4df
7 changed files with 52 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
hw/s390x/s390-virtio-ccw.c
View file

@ -124,6 +124,9 @@ static void subsystem_reset(void)
device_cold_reset(dev);
}
}
if (s390_has_topology()) {
s390_topology_reset();
}
}
static int virtio_ccw_hcall_notify(const uint64_t *args)