* [PATCH] hw/i386/ich9: add comment explaining an argument to acpi_pcihp_reset call
@ 2021-07-27 4:45 Ani Sinha
2021-07-29 13:13 ` Ani Sinha
2021-08-03 14:13 ` Michael S. Tsirkin
0 siblings, 2 replies; 5+ messages in thread
From: Ani Sinha @ 2021-07-27 4:45 UTC (permalink / raw)
To: qemu-devel; +Cc: Ani Sinha, Igor Mammedov, Michael S. Tsirkin
acpi_pcihp_reset() call from ich9/pm_reset() passes an unconditional truth value
as the second argument. Added a commnet here to explain the reason why the
argument is being passed unconditionally.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
---
hw/acpi/ich9.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 778e27b659..b2e3c46075 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -281,6 +281,11 @@ static void pm_reset(void *opaque)
pm->smi_en_wmask = ~0;
if (pm->use_acpi_hotplug_bridge) {
+ /*
+ * PCI Express root buses do not support hot-plug, for
+ * details see docs/pcie.txt. Hence, the second argument
+ * is unconditionally true.
+ */
acpi_pcihp_reset(&pm->acpi_pci_hotplug, true);
}
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] hw/i386/ich9: add comment explaining an argument to acpi_pcihp_reset call
2021-07-27 4:45 [PATCH] hw/i386/ich9: add comment explaining an argument to acpi_pcihp_reset call Ani Sinha
@ 2021-07-29 13:13 ` Ani Sinha
2021-08-03 11:34 ` Ani Sinha
2021-08-03 14:13 ` Michael S. Tsirkin
1 sibling, 1 reply; 5+ messages in thread
From: Ani Sinha @ 2021-07-29 13:13 UTC (permalink / raw)
To: Ani Sinha; +Cc: Igor Mammedov, qemu-devel, Michael S. Tsirkin
ping ...
On Tue, 27 Jul 2021, Ani Sinha wrote:
> acpi_pcihp_reset() call from ich9/pm_reset() passes an unconditional truth value
> as the second argument. Added a commnet here to explain the reason why the
> argument is being passed unconditionally.
>
> Signed-off-by: Ani Sinha <ani@anisinha.ca>
> ---
> hw/acpi/ich9.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> index 778e27b659..b2e3c46075 100644
> --- a/hw/acpi/ich9.c
> +++ b/hw/acpi/ich9.c
> @@ -281,6 +281,11 @@ static void pm_reset(void *opaque)
> pm->smi_en_wmask = ~0;
>
> if (pm->use_acpi_hotplug_bridge) {
> + /*
> + * PCI Express root buses do not support hot-plug, for
> + * details see docs/pcie.txt. Hence, the second argument
> + * is unconditionally true.
> + */
> acpi_pcihp_reset(&pm->acpi_pci_hotplug, true);
> }
>
> --
> 2.25.1
>
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] hw/i386/ich9: add comment explaining an argument to acpi_pcihp_reset call
2021-07-29 13:13 ` Ani Sinha
@ 2021-08-03 11:34 ` Ani Sinha
0 siblings, 0 replies; 5+ messages in thread
From: Ani Sinha @ 2021-08-03 11:34 UTC (permalink / raw)
To: Ani Sinha; +Cc: Igor Mammedov, qemu-devel, Michael S. Tsirkin
Ping ...
On Thu, 29 Jul 2021, Ani Sinha wrote:
> ping ...
>
> On Tue, 27 Jul 2021, Ani Sinha wrote:
>
> > acpi_pcihp_reset() call from ich9/pm_reset() passes an unconditional truth value
> > as the second argument. Added a commnet here to explain the reason why the
> > argument is being passed unconditionally.
> >
> > Signed-off-by: Ani Sinha <ani@anisinha.ca>
> > ---
> > hw/acpi/ich9.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> > index 778e27b659..b2e3c46075 100644
> > --- a/hw/acpi/ich9.c
> > +++ b/hw/acpi/ich9.c
> > @@ -281,6 +281,11 @@ static void pm_reset(void *opaque)
> > pm->smi_en_wmask = ~0;
> >
> > if (pm->use_acpi_hotplug_bridge) {
> > + /*
> > + * PCI Express root buses do not support hot-plug, for
> > + * details see docs/pcie.txt. Hence, the second argument
> > + * is unconditionally true.
> > + */
> > acpi_pcihp_reset(&pm->acpi_pci_hotplug, true);
> > }
> >
> > --
> > 2.25.1
> >
> >
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] hw/i386/ich9: add comment explaining an argument to acpi_pcihp_reset call
2021-07-27 4:45 [PATCH] hw/i386/ich9: add comment explaining an argument to acpi_pcihp_reset call Ani Sinha
2021-07-29 13:13 ` Ani Sinha
@ 2021-08-03 14:13 ` Michael S. Tsirkin
2021-08-04 13:19 ` Ani Sinha
1 sibling, 1 reply; 5+ messages in thread
From: Michael S. Tsirkin @ 2021-08-03 14:13 UTC (permalink / raw)
To: Ani Sinha; +Cc: Igor Mammedov, qemu-devel
On Tue, Jul 27, 2021 at 10:15:46AM +0530, Ani Sinha wrote:
> acpi_pcihp_reset() call from ich9/pm_reset() passes an unconditional truth value
> as the second argument. Added a commnet here to explain the reason why the
> argument is being passed unconditionally.
>
> Signed-off-by: Ani Sinha <ani@anisinha.ca>
> ---
> hw/acpi/ich9.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> index 778e27b659..b2e3c46075 100644
> --- a/hw/acpi/ich9.c
> +++ b/hw/acpi/ich9.c
> @@ -281,6 +281,11 @@ static void pm_reset(void *opaque)
> pm->smi_en_wmask = ~0;
>
> if (pm->use_acpi_hotplug_bridge) {
> + /*
> + * PCI Express root buses do not support hot-plug, for
> + * details see docs/pcie.txt. Hence, the second argument
> + * is unconditionally true.
> + */
> acpi_pcihp_reset(&pm->acpi_pci_hotplug, true);
> }
I don't see this comment as especially elluminating, sorry.
>
> --
> 2.25.1
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] hw/i386/ich9: add comment explaining an argument to acpi_pcihp_reset call
2021-08-03 14:13 ` Michael S. Tsirkin
@ 2021-08-04 13:19 ` Ani Sinha
0 siblings, 0 replies; 5+ messages in thread
From: Ani Sinha @ 2021-08-04 13:19 UTC (permalink / raw)
To: Michael S. Tsirkin; +Cc: Ani Sinha, Igor Mammedov, qemu-devel
On Tue, 3 Aug 2021, Michael S. Tsirkin wrote:
> On Tue, Jul 27, 2021 at 10:15:46AM +0530, Ani Sinha wrote:
> > acpi_pcihp_reset() call from ich9/pm_reset() passes an unconditional truth value
> > as the second argument. Added a commnet here to explain the reason why the
> > argument is being passed unconditionally.
> >
> > Signed-off-by: Ani Sinha <ani@anisinha.ca>
> > ---
> > hw/acpi/ich9.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> > index 778e27b659..b2e3c46075 100644
> > --- a/hw/acpi/ich9.c
> > +++ b/hw/acpi/ich9.c
> > @@ -281,6 +281,11 @@ static void pm_reset(void *opaque)
> > pm->smi_en_wmask = ~0;
> >
> > if (pm->use_acpi_hotplug_bridge) {
> > + /*
> > + * PCI Express root buses do not support hot-plug, for
> > + * details see docs/pcie.txt. Hence, the second argument
> > + * is unconditionally true.
> > + */
> > acpi_pcihp_reset(&pm->acpi_pci_hotplug, true);
> > }
>
>
> I don't see this comment as especially elluminating, sorry.
Ok fine. I do not feel strongly about this one either.
Ani
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-08-04 13:26 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2021-07-27 4:45 [PATCH] hw/i386/ich9: add comment explaining an argument to acpi_pcihp_reset call Ani Sinha
2021-07-29 13:13 ` Ani Sinha
2021-08-03 11:34 ` Ani Sinha
2021-08-03 14:13 ` Michael S. Tsirkin
2021-08-04 13:19 ` Ani Sinha
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