[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] x86/shutdown: change default reboot method preference
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 18 Sep 2023 13:58:20 +0200
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.com; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=a4Qr5DCr8WQmHdj2bDKGyVyFLjkgIlPgXF08NC3NmhA=; b=OIHyF9yOiZdy45MbxXQoznE4STV+3VrgbhDZnbp8ldKznZXmOCqbdXL3Ilys3EG5vpKKPV1qudQSdS7N96LqMiZ9OBYWf3SgP2D4wRjoxwIYF8jQtGTbflOcocnTgzcv81D7Bkk8nPYKQvSPr+mGGkcYD5GBNksqCIOn2GgsuMILDzM2F9R5z/vbPJbnk4QYffVnTDt/hEsiq9zmFEmcWlFc2qQRY6hiKCzTJrVZ7kRb5JPk4brOpBAH8ekjUcJKeiMmC07tFqd5AM/sGi8qT74bJIdkBkROZdgy4yyCTZjCIOKE/p0vC4cbVfD1t8KmkIeTs6Hypty9jKV0nkDYkw==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=gDiD1kLvJ2wW3pa6BVE8mdwud4vPafRG4aGe4COz92MxXMIWLX9uCH/tT3EhkYOW0mVX8GLUMJ1YuJ0WwLkVnSfG/JoJvWxHUKTMKB8Wxntq33UP8trRFkY6IGa/W+q8V4xR6PIuvR9LOnVw5wy5BColZ7e/BdDDRFZHn1DNfFMM3Buulrf0PvlAX8+K3G3dCMoTxj0o1gDTY4N7T2laeAbL1QHAOJMXXZ7UzTZgsR3LI1wkCdOAcSrwB6dDWaxrseotP4oIo1gX5rgmyfO2YJb5oVSuDcTtDgKlKq5oL3XXPfnD6ERgMZ2SuLHRJvrm3CcrpIUXmGVSSDrTtX42hw==
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=suse.com;
- Cc: Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 18 Sep 2023 11:58:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 14.09.2023 19:42, Andrew Cooper wrote:
> On 14/09/2023 4:21 pm, Roger Pau Monne wrote:
>> I've found a lot of boxes that don't reboot properly using ResetSystem(),
>> and I
>> think our default should attempt to make sure Xen reliably reboots on as much
>> hardware as possible.
>
> You're supposed to use ResetSystem() so all the value-add can be added
> behind your back, but it's a chocolate teapot when it's so broken that
> none of the OSes use it...
That's only one aspect. Recall that EFI originated from ia64 bringup, where
it wasn't even specified how to reboot a system without using the runtime
services function. Fundamentally under EFI shutdown/reboot shouldn't be an
arch-specific operation in the first place.
Jan
|
