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Re: [PATCH for-6.2 v6 7/7] memory_hotplug.c: send DEVICE_UNPLUG_ERROR in
From: |
David Gibson |
Subject: |
Re: [PATCH for-6.2 v6 7/7] memory_hotplug.c: send DEVICE_UNPLUG_ERROR in acpi_memory_hotplug_write() |
Date: |
Mon, 9 Aug 2021 13:41:33 +1000 |
On Sat, Aug 07, 2021 at 04:09:40PM +0200, Markus Armbruster wrote:
> Daniel Henrique Barboza <danielhb413@gmail.com> writes:
>
> > MEM_UNPLUG_ERROR is deprecated since the introduction of
> > DEVICE_UNPLUG_ERROR. Keep emitting both while the deprecation of
> > MEM_UNPLUG_ERROR is pending.
> >
> > CC: Michael S. Tsirkin <mst@redhat.com>
> > CC: Igor Mammedov <imammedo@redhat.com>
> > Reviewed-by: Greg Kurz <groug@kaod.org>
> > Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
> > ---
> > hw/acpi/memory_hotplug.c | 10 ++++++++++
> > 1 file changed, 10 insertions(+)
> >
> > diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c
> > index e37acb0367..a0772fe083 100644
> > --- a/hw/acpi/memory_hotplug.c
> > +++ b/hw/acpi/memory_hotplug.c
> > @@ -8,6 +8,7 @@
> > #include "qapi/error.h"
> > #include "qapi/qapi-events-acpi.h"
> > #include "qapi/qapi-events-machine.h"
> > +#include "qapi/qapi-events-qdev.h"
> >
> > #define MEMORY_SLOTS_NUMBER "MDNR"
> > #define MEMORY_HOTPLUG_IO_REGION "HPMR"
> > @@ -181,10 +182,19 @@ static void acpi_memory_hotplug_write(void *opaque,
> > hwaddr addr, uint64_t data,
> >
> > trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector);
> >
> > + /*
> > + * Send both MEM_UNPLUG_ERROR and DEVICE_UNPLUG_ERROR
> > + * while the deprecation of MEM_UNPLUG_ERROR is
> > + * pending.
> > + */
> > if (dev->id) {
> > qapi_event_send_mem_unplug_error(dev->id,
> > error_pretty);
> > }
> >
> > + qapi_event_send_device_unplug_error(!!dev->id, dev->id,
> > + dev->canonical_path,
> > + true, error_pretty);
> > +
> > error_free(local_err);
> > break;
> > }
>
> Unlike the previous patch, "msg" is present even when !dev->id. Makes
> me doubt the previous patch's conditional passing of "msg" some more.
Daniel, if you can address Markus' comments and send another spin,
I'll replace the draft I have in ppc-for-6.2 with the new version.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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