From: Alex Williamson <alex.williamson@redhat.com>
To: Abhishek Sahu <abhsahu@nvidia.com>
Cc: Cornelia Huck <cohuck@redhat.com>,
Yishai Hadas <yishaih@nvidia.com>,
Jason Gunthorpe <jgg@nvidia.com>,
Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
Kevin Tian <kevin.tian@intel.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Max Gurtovoy <mgurtovoy@nvidia.com>,
Bjorn Helgaas <bhelgaas@google.com>,
<linux-kernel@vger.kernel.org>, <kvm@vger.kernel.org>,
<linux-pm@vger.kernel.org>, <linux-pci@vger.kernel.org>
Subject: Re: [PATCH v4 4/4] vfio/pci: Move the unused device into low power state with runtime PM
Date: Tue, 17 May 2022 14:02:59 -0600 [thread overview]
Message-ID: <20220517140259.1021cf85.alex.williamson@redhat.com> (raw)
In-Reply-To: <20220517100219.15146-5-abhsahu@nvidia.com>
On Tue, 17 May 2022 15:32:19 +0530
Abhishek Sahu <abhsahu@nvidia.com> wrote:
> diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
> index 4fe9a4efc751..5ea1b3099036 100644
> --- a/drivers/vfio/pci/vfio_pci_core.c
> +++ b/drivers/vfio/pci/vfio_pci_core.c
> @@ -156,7 +156,7 @@ static void vfio_pci_probe_mmaps(struct vfio_pci_core_device *vdev)
> }
>
> struct vfio_pci_group_info;
> -static bool vfio_pci_dev_set_try_reset(struct vfio_device_set *dev_set);
> +static void vfio_pci_dev_set_try_reset(struct vfio_device_set *dev_set);
> static int vfio_pci_dev_set_hot_reset(struct vfio_device_set *dev_set,
> struct vfio_pci_group_info *groups);
>
> @@ -275,6 +275,19 @@ void vfio_pci_lock_and_set_power_state(struct vfio_pci_core_device *vdev,
> up_write(&vdev->memory_lock);
> }
>
> +#ifdef CONFIG_PM
Neither of the CONFIG_PM checks added are actually needed afaict, both
struct dev_pm_ops and the pm pointer on struct device_driver are defined
regardless. Thanks,
Alex
next prev parent reply other threads:[~2022-05-17 20:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-17 10:02 [PATCH v4 0/4] vfio/pci: power management changes Abhishek Sahu
2022-05-17 10:02 ` [PATCH v4 1/4] vfio/pci: Invalidate mmaps and block the access in D3hot power state Abhishek Sahu
2022-05-17 23:30 ` kernel test robot
2022-05-17 10:02 ` [PATCH v4 2/4] vfio/pci: Change the PF power state to D0 before enabling VFs Abhishek Sahu
2022-05-17 18:27 ` Alex Williamson
2022-05-18 9:56 ` Abhishek Sahu
2022-05-17 10:02 ` [PATCH v4 3/4] vfio/pci: Virtualize PME related registers bits and initialize to zero Abhishek Sahu
2022-05-17 10:02 ` [PATCH v4 4/4] vfio/pci: Move the unused device into low power state with runtime PM Abhishek Sahu
2022-05-17 20:02 ` Alex Williamson [this message]
2022-05-18 10:06 ` Abhishek Sahu
2022-05-17 20:42 ` Alex Williamson
2022-05-17 20:55 ` Alex Williamson
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