[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] hw/arm/virt: Disable pl011 clock migration if needed
|
From: |
Peter Maydell |
|
Subject: |
Re: [PATCH] hw/arm/virt: Disable pl011 clock migration if needed |
|
Date: |
Fri, 19 Mar 2021 10:37:29 +0000 |
On Thu, 18 Mar 2021 at 02:38, Gavin Shan <gshan@redhat.com> wrote:
>
> A clock is added by commit aac63e0e6ea3 ("hw/char/pl011: add a clock
> input") since v5.2.0 which corresponds to virt-5.2 machine type. It
> causes backwards migration failure from upstream to downstream (v5.1.0)
> when the machine type is specified with virt-5.1.
>
> This fixes the issue by following instructions from section "Connecting
> subsections to properties" in docs/devel/migration.rst. With this applied,
> the PL011 clock is migrated based on the machine type.
>
> virt-5.2 or newer: migration
> virt-5.1 or older: non-migration
>
> Cc: qemu-stable@nongnu.org # v5.2.0+
> Fixes: aac63e0e6ea3 ("hw/char/pl011: add a clock input")
> Suggested-by: Andrew Jones <drjones@redhat.com>
> Signed-off-by: Gavin Shan <gshan@redhat.com>
Applied to target-arm.next, thanks.
-- PMM