linux-kernel - Re: [PATCH 5/6] acpi/generic_event_device: Update GHES migration to cover hest addr

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Message-ID: <20241122114050.51b60f1a@foz.lan>
Date: Fri, 22 Nov 2024 11:40:50 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Cc: Igor Mammedov <imammedo@...hat.com>, Shiju Jose <shiju.jose@...wei.com>,
 "Michael S. Tsirkin" <mst@...hat.com>, Ani Sinha <anisinha@...hat.com>,
 <linux-kernel@...r.kernel.org>, <qemu-devel@...gnu.org>
Subject: Re: [PATCH 5/6] acpi/generic_event_device: Update GHES migration to
 cover hest addr

Em Wed, 20 Nov 2024 15:01:19 +0000
Jonathan Cameron <Jonathan.Cameron@...wei.com> escreveu:

> On Wed, 13 Nov 2024 09:37:02 +0100
> Mauro Carvalho Chehab <mchehab+huawei@...nel.org> wrote:
> 
> > The GHES migration logic at GED should now support HEST table
> > location too.
> > 
> > Increase migration version and change needed to check for both
> > ghes_addr_le and hest_addr_le.  
> 
> Where is the migration version increased?  Maybe I'm misunderstanding
> the comment.

Legacy comment. We dropped migration version increase, as this is not
needed anymore.

Comment dropped.

> 
> > 
> > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> > ---
> >  hw/acpi/generic_event_device.c | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> > 
> > diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
> > index 17baf36132a8..c1116dd8d7ae 100644
> > --- a/hw/acpi/generic_event_device.c
> > +++ b/hw/acpi/generic_event_device.c
> > @@ -387,6 +387,34 @@ static const VMStateDescription vmstate_ghes_state = {
> >      }
> >  };
> >  
> > +static const VMStateDescription vmstate_hest = {
> > +    .name = "acpi-hest",
> > +    .version_id = 1,
> > +    .minimum_version_id = 1,
> > +    .fields = (const VMStateField[]) {
> > +        VMSTATE_UINT64(hest_addr_le, AcpiGhesState),
> > +        VMSTATE_END_OF_LIST()
> > +    },
> > +};
> > +
> > +static bool hest_needed(void *opaque)
> > +{
> > +    AcpiGedState *s = opaque;
> > +    return s->ghes_state.hest_addr_le;
> > +}
> > +
> > +static const VMStateDescription vmstate_hest_state = {
> > +    .name = "acpi-ged/hest",
> > +    .version_id = 1,
> > +    .minimum_version_id = 1,
> > +    .needed = hest_needed,
> > +    .fields = (const VMStateField[]) {
> > +        VMSTATE_STRUCT(ghes_state, AcpiGedState, 1,
> > +                       vmstate_hest, AcpiGhesState),
> > +        VMSTATE_END_OF_LIST()
> > +    }
> > +};
> > +
> >  static const VMStateDescription vmstate_acpi_ged = {
> >      .name = "acpi-ged",
> >      .version_id = 1,
> > @@ -399,6 +427,7 @@ static const VMStateDescription vmstate_acpi_ged = {
> >          &vmstate_memhp_state,
> >          &vmstate_cpuhp_state,
> >          &vmstate_ghes_state,
> > +        &vmstate_hest_state,
> >          NULL
> >      }
> >  };  
> 



Thanks,
Mauro