diff options
| author | David Hildenbrand <david@redhat.com> | 2018-06-27 15:44:06 +0200 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2018-07-02 10:37:38 +0200 |
| commit | 7de3b1cdc67dcb572c1761c2051252e91a438b22 (patch) | |
| tree | 0c3045416a75bd11ecc4eac3c2743bea454b1cb1 /target/s390x/tcg_s390x.h | |
| parent | f777b20544fe5db3de179a83374cbf9f1e454427 (diff) | |
s390x/tcg: properly implement the TOD
Right now, each CPU has its own TOD. Especially, the TOD will differ
based on creation time of a CPU - e.g. when hotplugging a CPU the times
will differ quite a lot, resulting in stall warnings in the guest.
Let's use a single TOD by implementing our new TOD device. Prepare it
for TOD-clock epoch extension.
Most importantly, whenever we set the TOD, we have to update the CKC
timer.
Introduce "tcg_s390x.h" just like "kvm_s390x.h" for tcg specific
function declarations that should not go into cpu.h.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180627134410.4901-6-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target/s390x/tcg_s390x.h')
| -rw-r--r-- | target/s390x/tcg_s390x.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target/s390x/tcg_s390x.h b/target/s390x/tcg_s390x.h new file mode 100644 index 0000000000..4e308aa0ce --- /dev/null +++ b/target/s390x/tcg_s390x.h @@ -0,0 +1,18 @@ +/* + * QEMU TCG support -- s390x specific functions. + * + * Copyright 2018 Red Hat, Inc. + * + * Authors: + * David Hildenbrand <david@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef TCG_S390X_H +#define TCG_S390X_H + +void tcg_s390_tod_updated(CPUState *cs, run_on_cpu_data opaque); + +#endif /* TCG_S390X_H */ |