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Re: [PATCH 01/12] xen/manage: keep track of the on-going suspend mode
- To: "Agarwal, Anchal" <anchalag@xxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "jgross@xxxxxxxx" <jgross@xxxxxxxx>, "linux-pm@xxxxxxxxxxxxxxx" <linux-pm@xxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "Kamata, Munehisa" <kamatam@xxxxxxxxxx>, "sstabellini@xxxxxxxxxx" <sstabellini@xxxxxxxxxx>, "konrad.wilk@xxxxxxxxxx" <konrad.wilk@xxxxxxxxxx>, "roger.pau@xxxxxxxxxx" <roger.pau@xxxxxxxxxx>, "axboe@xxxxxxxxx" <axboe@xxxxxxxxx>, "davem@xxxxxxxxxxxxx" <davem@xxxxxxxxxxxxx>, "rjw@xxxxxxxxxxxxx" <rjw@xxxxxxxxxxxxx>, "len.brown@xxxxxxxxx" <len.brown@xxxxxxxxx>, "pavel@xxxxxx" <pavel@xxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "Valentin, Eduardo" <eduval@xxxxxxxxxx>, "Singh, Balbir" <sblbir@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "vkuznets@xxxxxxxxxx" <vkuznets@xxxxxxxxxx>, "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "Woodhouse, David" <dwmw@xxxxxxxxxxxx>, "benh@xxxxxxxxxxxxxxxxxxx" <benh@xxxxxxxxxxxxxxxxxxx>
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Mon, 1 Jun 2020 18:39:16 -0400
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- Delivery-date: Mon, 01 Jun 2020 22:42:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 6/1/20 5:00 PM, Agarwal, Anchal wrote:
>
>
> I don't see these last two used anywhere. Are you, in fact,
> distinguishing between PM suspend and hibernation?
>
> Yes, I am. Unless there is a better way to distinguish at runtime which I
> haven't figured out yet.
> The initial design was to have separate states for separate modes. Currently,
> PM_HIBERNATION is handled
> by !xen_suspend . However, if any case arises where we need to set the
> suspend_mode, its available via
> this interface. This is basically to support PM* ops via ACPI path. Since,
> PM_SUSPEND is not handled by the series
> the code piece can be removed and added later. Any comments?
Yes, if this is not being handled then I don't see any reason for this
code to be there.
-boris
|
