From: Cornelia Huck <cohuck@redhat.com>
To: David Hildenbrand <david@redhat.com>
Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
Richard Henderson <rth@twiddle.net>,
Alexander Graf <agraf@suse.de>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Thomas Huth <thuth@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v4 0/9] s390x: TOD refactoring + TCG CPU hotplug support
Date: Wed, 27 Jun 2018 17:06:09 +0200 [thread overview]
Message-ID: <20180627170609.0a99d353.cohuck@redhat.com> (raw)
In-Reply-To: <20180627134410.4901-1-david@redhat.com>
On Wed, 27 Jun 2018 15:44:01 +0200
David Hildenbrand <david@redhat.com> wrote:
> The TOD in TCG is not handled correctly:
> - each CPU has its own TOD based on CPU creation time vs. a system TOD
> - TOD is not migrated
> - TOD timer is not restarted during migration
> - CKC interrupts/TOD timer is not cleared when resetting the CKC
>
> This (and a cpu creation problem for single threaded TCG) currently made
> CPU hotplug under TCG not work. Now it's working
>
> The third patch also refactors TOD handling for KVM (moved into a new
> TOD device). The second patch makes sure that we can use a const pointer
> for the new TOD clock struct.
Thanks, applied.
prev parent reply other threads:[~2018-06-27 15:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-27 13:44 [Qemu-devel] [PATCH v4 0/9] s390x: TOD refactoring + TCG CPU hotplug support David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 1/9] s390x/tcg: avoid overflows in time2tod/tod2time David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 2/9] s390x/kvm: pass values instead of pointers to kvm_s390_set_clock_*() David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 3/9] s390x/tod: factor out TOD into separate device David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 4/9] s390x/tcg: drop tod_basetime David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 5/9] s390x/tcg: properly implement the TOD David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 6/9] s390x/tcg: SET CLOCK COMPARATOR can clear CKC interrupts David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 7/9] s390x/tcg: implement SET CLOCK David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 8/9] s390x/tcg: rearm the CKC timer during migration David Hildenbrand
2018-06-27 13:44 ` [Qemu-devel] [PATCH v4 9/9] s390x/tcg: fix CPU hotplug with single-threaded TCG David Hildenbrand
2018-06-27 15:06 ` Cornelia Huck [this message]
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