linux-kernel - RE: [PATCH] Drivers: hv: vmbus: Don't wait for the ACPI device upon initialization

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Message-ID: <SA1PR21MB13354BFC68B9791FCE469763BF4E9@SA1PR21MB1335.namprd21.prod.outlook.com>
Date:   Thu, 22 Sep 2022 20:07:19 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     Wei Liu <wei.liu@...nel.org>,
        Stanislav Kinsburskii <skinsburskii@...ux.microsoft.com>
CC:     Stanislav Kinsburskii <skinsburskii@...rosoft.com>,
        Stanislav Kinsburskiy <stanislav.kinsburskiy@...il.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Michael Kelley (LINUX)" <mikelley@...rosoft.com>
Subject: RE: [PATCH] Drivers: hv: vmbus: Don't wait for the ACPI device upon
 initialization

> From: Wei Liu <wei.liu@...nel.org>
> Sent: Thursday, September 22, 2022 10:20 AM
> ...
> On Wed, Sep 21, 2022 at 06:39:05PM +0000, Stanislav Kinsburskii wrote:
> > From: Stanislav Kinsburskiy <stanislav.kinsburskiy@...il.com>
> >
> > Waiting to 5 seconds in case of missing VMBUS ACPI device is redundant as
> the
> > device is either present already or won't be available at all.
> > This patch enforces synchronous probing to make sure the bus traversal,
> > happening upon driver registering will either find the device (if present) or
> > not spend any additional time if device is absent.
> >
> > Signed-off-by: Stanislav Kinsburskiy <stanislav.kinsburskiy@...il.com>
> > CC: "K. Y. Srinivasan" <kys@...rosoft.com>
> > CC: Haiyang Zhang <haiyangz@...rosoft.com>
> > CC: Stephen Hemminger <sthemmin@...rosoft.com>
> > CC: Wei Liu <wei.liu@...nel.org>
> > CC: Dexuan Cui <decui@...rosoft.com>
> > CC: linux-hyperv@...r.kernel.org
> > CC: linux-kernel@...r.kernel.org
> 
> Looks good to me. I will wait for a few days for others to chime in.
> 
> CC Michael.

Looks good to me.

Reviewed-by: Dexuan Cui <decui@...rosoft.com>