From: Joerg Roedel <jroedel@suse.de>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Joerg Roedel <joro@8bytes.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] ACPI: Don't create a platform_device for IOAPIC/IOxAPIC
Date: Thu, 23 Mar 2017 11:50:29 +0100 [thread overview]
Message-ID: <20170323105029.GJ8329@suse.de> (raw)
In-Reply-To: <CAJZ5v0i9hFPAtoHra4g4-2eZ4FH_rkQhn07g7Z-hKnrDWDPUSg@mail.gmail.com>
On Thu, Mar 23, 2017 at 02:06:44AM +0100, Rafael J. Wysocki wrote:
> The main problem is that representing anything hot-removable as a
> platform device is inherently fragile, as the platform bus type has no
> idea whatever about things that may physically go away and platform
> drivers don't expect that devices may vanish from under them in
> general and so on. Unregistration alone doesn't help much with that,
> so IMO at least for now it's better to avoid using platform_device for
> hot-removable stuff.
Okay, thanks for the explanation. So patch 2 could be dropped, should I
resend without that patch or do you want to pick them up from this post?
Joerg
next prev parent reply other threads:[~2017-03-23 10:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-22 17:33 [PATCH 0/3] ACPI Fixes for Hotplug Joerg Roedel
2017-03-22 17:33 ` [PATCH 1/3] ACPI, ioapic: Clear on-stack resource before using it Joerg Roedel
2017-03-22 17:33 ` [PATCH 2/3] ACPI: Remove platform devices from a bus on removal Joerg Roedel
2017-04-19 6:50 ` joeyli
2017-04-19 6:54 ` joeyli
2017-03-22 17:33 ` [PATCH 3/3] ACPI: Don't create a platform_device for IOAPIC/IOxAPIC Joerg Roedel
2017-03-22 17:42 ` Rafael J. Wysocki
2017-03-22 22:58 ` Joerg Roedel
2017-03-22 23:41 ` Rafael J. Wysocki
2017-03-22 23:44 ` Rafael J. Wysocki
2017-03-22 23:58 ` Joerg Roedel
2017-03-23 1:06 ` Rafael J. Wysocki
2017-03-23 10:50 ` Joerg Roedel [this message]
2017-03-23 11:19 ` Rafael J. Wysocki
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