From: Anchal Agarwal <anchalag@amazon.com>
To: <boris.ostrovsky@oracle.com>
Cc: <tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>,
<hpa@zytor.com>, <x86@kernel.org>, <jgross@suse.com>,
<linux-pm@vger.kernel.org>, <linux-mm@kvack.org>,
<kamatam@amazon.com>, <sstabellini@kernel.org>,
<konrad.wilk@oracle.com>, <roger.pau@citrix.com>,
<axboe@kernel.dk>, <davem@davemloft.net>, <rjw@rjwysocki.net>,
<len.brown@intel.com>, <pavel@ucw.cz>, <peterz@infradead.org>,
<eduval@amazon.com>, <sblbir@amazon.com>,
<xen-devel@lists.xenproject.org>, <vkuznets@redhat.com>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<dwmw@amazon.co.uk>, <benh@kernel.crashing.org>
Subject: Re: [PATCH v3 01/11] xen/manage: keep track of the on-going suspend mode
Date: Tue, 22 Sep 2020 23:17:36 +0000 [thread overview]
Message-ID: <20200922231736.GA24215@dev-dsk-anchalag-2a-9c2d1d96.us-west-2.amazon.com> (raw)
In-Reply-To: <e3e447e5-2f7a-82a2-31c8-10c2ffcbfb2c@oracle.com>
On Tue, Sep 22, 2020 at 12:18:05PM -0400, boris.ostrovsky@oracle.com wrote:
> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you can confirm the sender and know the content is safe.
>
>
>
> On 9/21/20 5:54 PM, Anchal Agarwal wrote:
> > Thanks for the above suggestion. You are right I didn't find a way to declare
> > a global state either. I just broke the above check in 2 so that once we have
> > support for ARM we should be able to remove aarch64 condition easily. Let me
> > know if I am missing nay corner cases with this one.
> >
> > static int xen_pm_notifier(struct notifier_block *notifier,
> > unsigned long pm_event, void *unused)
> > {
> > int ret = NOTIFY_OK;
> > if (!xen_hvm_domain() || xen_initial_domain())
> > ret = NOTIFY_BAD;
> > if(IS_ENABLED(CONFIG_ARM64) && (pm_event == PM_SUSPEND_PREPARE || pm_event == HIBERNATION_PREPARE))
> > ret = NOTIFY_BAD;
> >
> > return ret;
> > }
>
>
>
> This will allow PM suspend to proceed on x86.
Right!! Missed it.
Also, wrt KASLR stuff, that issue is still seen sometimes but I haven't had
bandwidth to dive deep into the issue and fix it. I seem to have lost your email
in my inbox hence covering the question here.
>
>
> -boris
>
next prev parent reply other threads:[~2020-09-22 23:18 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-21 22:22 [PATCH v3 00/11] Fix PM hibernation in Xen guests Anchal Agarwal
2020-08-21 22:25 ` [PATCH v3 01/11] xen/manage: keep track of the on-going suspend mode Anchal Agarwal
2020-09-13 15:43 ` boris.ostrovsky
2020-09-14 21:47 ` Anchal Agarwal
2020-09-15 0:24 ` boris.ostrovsky
2020-09-15 18:00 ` Anchal Agarwal
2020-09-15 19:58 ` boris.ostrovsky
2020-09-21 21:54 ` Anchal Agarwal
2020-09-22 16:18 ` boris.ostrovsky
2020-09-22 23:17 ` Anchal Agarwal [this message]
2020-09-25 19:04 ` Anchal Agarwal
2020-09-25 20:02 ` boris.ostrovsky
2020-09-25 22:28 ` Anchal Agarwal
2020-09-28 18:49 ` boris.ostrovsky
2020-09-30 21:29 ` Anchal Agarwal
2020-10-01 12:43 ` boris.ostrovsky
2021-05-21 5:26 ` Anchal Agarwal
2021-05-25 22:23 ` Boris Ostrovsky
2021-05-26 4:40 ` Anchal Agarwal
2021-05-26 18:29 ` Boris Ostrovsky
2021-05-28 21:50 ` Anchal Agarwal
2021-06-01 14:18 ` Boris Ostrovsky
2021-06-02 19:37 ` Anchal Agarwal
2021-06-03 20:11 ` Boris Ostrovsky
2021-06-03 23:27 ` Anchal Agarwal
2021-06-04 1:49 ` Boris Ostrovsky
2020-09-13 17:07 ` boris.ostrovsky
2020-08-21 22:26 ` [PATCH v3 02/11] xenbus: add freeze/thaw/restore callbacks support Anchal Agarwal
2020-09-13 16:11 ` boris.ostrovsky
2020-09-15 19:56 ` Anchal Agarwal
2020-08-21 22:26 ` [PATCH v3 03/11] x86/xen: Introduce new function to map HYPERVISOR_shared_info on Resume Anchal Agarwal
2020-08-21 22:27 ` [PATCH v3 04/11] x86/xen: add system core suspend and resume callbacks Anchal Agarwal
2020-09-13 17:25 ` boris.ostrovsky
2020-08-21 22:28 ` [PATCH v3 06/11] xen-blkfront: add callbacks for PM suspend and hibernation Anchal Agarwal
2020-08-21 22:29 ` [PATCH v3 07/11] xen-netfront: " Anchal Agarwal
2020-08-21 22:29 ` [PATCH v3 08/11] x86/xen: save and restore steal clock during PM hibernation Anchal Agarwal
2020-08-21 22:30 ` [PATCH v3 09/11] xen: Introduce wrapper for save/restore sched clock offset Anchal Agarwal
2020-08-21 22:30 ` [PATCH v3 10/11] xen: Update sched clock offset to avoid system instability in hibernation Anchal Agarwal
2020-09-13 17:52 ` boris.ostrovsky
2020-08-21 22:31 ` [PATCH v3 11/11] PM / hibernate: update the resume offset on SNAPSHOT_SET_SWAP_AREA Anchal Agarwal
[not found] ` <d9bcd552c946ac56f3f17cc0c1be57247d4a3004.1598042152.git.anchalag@amazon.com>
2020-08-22 0:36 ` [PATCH v3 05/11] genirq: Shutdown irq chips in suspend/resume during hibernation Thomas Gleixner
2020-08-24 17:25 ` Anchal Agarwal
2020-08-25 13:20 ` Christoph Hellwig
2020-08-25 15:25 ` Thomas Gleixner
2020-08-28 18:26 ` [PATCH v3 00/11] Fix PM hibernation in Xen guests Anchal Agarwal
2020-08-28 18:29 ` Rafael J. Wysocki
2020-08-28 18:39 ` Anchal Agarwal
2020-09-11 20:44 ` Anchal Agarwal
2020-09-11 15:19 ` boris.ostrovsky
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