| commit | 7337c6eb98786372cdbfe7ebe7affbd166fdc7ca | |
| author | David Hildenbrand <david@redhat.com> | |
| Thu, 16 Nov 2017 17:05:26 +0000 (16 18:05 +0100) | ||
| committer | Cornelia Huck <cohuck@redhat.com> | |
| Mon, 20 Nov 2017 08:31:46 +0000 (20 09:31 +0100) | ||
| tree | 92a93bff6e05ba66bd574d7744ed938fdc740feb | treesnapshot (tar.gz zip) |
| parent | dc0bbef5e6049920873204d35cd27172b65d204f | commitdiff |
s390x/tcg: fix DIAG 308 with > 1 VCPU (MTTCG)
Currently, multi threaded TCG with > 1 VCPU gets stuck during IPL, when
the bios tries to switch to the loaded kernel via DIAG 308.
As run_on_cpu() is used, we run into a deadlock after handling the reset.
We need the iolock (just like KVM).
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171116170526.12643-4-david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Currently, multi threaded TCG with > 1 VCPU gets stuck during IPL, when
the bios tries to switch to the loaded kernel via DIAG 308.
As run_on_cpu() is used, we run into a deadlock after handling the reset.
We need the iolock (just like KVM).
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171116170526.12643-4-david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
| target/s390x/misc_helper.c | diffblobblamehistory |