Re: [RFC PATCH v3 6/7] hw/acpi/ich9: Set ACPI PCI hot-plug as default

[Julia Suvorova]

On Thu, Sep 24, 2020 at 12:36 PM Daniel P. Berrangé <berrange@redhat.com> wrote:
>
> On Thu, Sep 24, 2020 at 09:00:12AM +0200, Julia Suvorova wrote:
>
> There needs to be a commit message to explain / justify why this change
> is a benefit. You have a nice list of pros/cons in the cover letter
> which could serve as a good commit message here.
>
> The cover letter gets discarded, only the commit message is in git
> history, so its beneficial to capture that info here.

Sure, I'll add it.

> > Signed-off-by: Julia Suvorova <jusual@redhat.com>
> > ---
> >  hw/acpi/ich9.c | 2 +-
> >  hw/i386/pc.c   | 1 +
> >  2 files changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> > index 987f23e388..c67c20de4e 100644
> > --- a/hw/acpi/ich9.c
> > +++ b/hw/acpi/ich9.c
> > @@ -425,7 +425,7 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs 
> > *pm)
> >      pm->disable_s3 = 0;
> >      pm->disable_s4 = 0;
> >      pm->s4_val = 2;
> > -    pm->use_acpi_hotplug_bridge = false;
> > +    pm->use_acpi_hotplug_bridge = true;
> >
> >      object_property_add_uint32_ptr(obj, ACPI_PM_PROP_PM_IO_BASE,
> >                                     &pm->pm_io_base, OBJ_PROP_FLAG_READ);
> > diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> > index b55369357e..5de4475570 100644
> > --- a/hw/i386/pc.c
> > +++ b/hw/i386/pc.c
> > @@ -101,6 +101,7 @@ GlobalProperty pc_compat_5_1[] = {};
> >  const size_t pc_compat_5_1_len = G_N_ELEMENTS(pc_compat_5_1);
> >
> >  GlobalProperty pc_compat_5_0[] = {
> > +    { "ICH9-LPC", "acpi-pci-hotplug-with-bridge-support", "off" },
> >  };
> >  const size_t pc_compat_5_0_len = G_N_ELEMENTS(pc_compat_5_0);
> >
> > --
> > 2.25.4
> >
> >
>
> Regards,
> Daniel
> --
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