From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Ankur Arora <ankur.a.arora@oracle.com>
Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
stable@vger.kernel.org
Subject: Re: [PATCH 2/2 v2] xen/acpi: upload PM state from init-domain to Xen
Date: Wed, 22 Mar 2017 10:05:42 +0100 [thread overview]
Message-ID: <20170322090541.GA2860@redhat.com> (raw)
In-Reply-To: <1490136218-3857-3-git-send-email-ankur.a.arora@oracle.com>
On Tue, Mar 21, 2017 at 03:43:38PM -0700, Ankur Arora wrote:
> This was broken in commit cd979883b9ede90643e019f33cb317933eb867b4.
> do_suspend (from xen/manage.c) and thus xen_resume_notifier never get
> called on the initial-domain at resume (it is if running as guest.)
>
> The rationale for the breaking change was that upload_pm_data()
> potentially does blocking work in syscore_resume(). This patch
> addresses the original issue by scheduling upload_pm_data() to
> execute in workqueue context.
It is ok to do upload_pm_data() with delay i.e. after some other
resume actions are done and possibly xen-acpi-processor is in
running state ?
Stanislaw
next prev parent reply other threads:[~2017-03-22 9:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-21 22:43 [PATCH 0/2 v2] xen/acpi: upload PM state from init-domain to Xen Ankur Arora
2017-03-21 22:43 ` [PATCH 1/2 v2] xen/acpi: Replace hard coded "ACPI0007" Ankur Arora
2017-03-21 22:43 ` [PATCH 2/2 v2] xen/acpi: upload PM state from init-domain to Xen Ankur Arora
2017-03-22 9:05 ` Stanislaw Gruszka [this message]
2017-03-22 17:56 ` Ankur Arora
2017-03-23 13:12 ` Stanislaw Gruszka
2017-03-23 16:45 ` [Xen-devel] [PATCH 0/2 " Boris Ostrovsky
2017-03-24 14:09 ` Konrad Rzeszutek Wilk
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