From: David Vrabel <david.vrabel@citrix.com>
To: "Luis R. Rodriguez" <mcgrof@kernel.org>, <bp@alien8.de>,
<hpa@zytor.com>, <tglx@linutronix.de>, <mingo@redhat.com>,
<rusty@rustcorp.com.au>
Cc: <xen-devel@lists.xensource.com>, <matt@codeblueprint.co.uk>,
<andrew.cooper3@citrix.com>, <x86@kernel.org>,
<linux-kernel@vger.kernel.org>, <luto@amacapital.net>,
<jlee@suse.com>, <lguest@lists.ozlabs.org>, <glin@suse.com>,
<david.vrabel@citrix.com>, <boris.ostrovsky@oracle.com>,
<andriy.shevchenko@linux.intel.com>
Subject: Re: [Xen-devel] [PATCH v4 11/14] pnpbios: replace paravirt_enabled() check with legacy device check
Date: Thu, 7 Apr 2016 10:46:11 +0100 [thread overview]
Message-ID: <57062C63.2010609@citrix.com> (raw)
In-Reply-To: <1459987594-5434-12-git-send-email-mcgrof@kernel.org>
On 07/04/16 01:06, Luis R. Rodriguez wrote:
> Since we are removing paravirt_enabled() replace it with a
> logical equivalent. Even though PNPBIOS is x86 specific we
> add an arch-specific type call, which can be implemented by
> any architecture to show how other legacy attribute devices
> can later be also checked for with other ACPI legacy attribute
> flags.
>
> This implicates the first ACPI 5.2.9.3 IA-PC Boot Architecture
> ACPI_FADT_LEGACY_DEVICES flag device, and shows how to add more.
[...]
> +struct x86_legacy_devices {
> + int pnpbios;
> +};
It's not clear why pnpbios needs a new structure and why this structure
of devices does not have the bit for the rtc device.
David
WARNING: multiple messages have this Message-ID (diff)
From: David Vrabel <david.vrabel-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
To: "Luis R. Rodriguez"
<mcgrof-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org,
hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org
Cc: xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org,
matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org,
andrew.cooper3-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org,
x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org,
jlee-IBi9RG/b67k@public.gmane.org,
lguest-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
glin-IBi9RG/b67k@public.gmane.org,
david.vrabel-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org,
boris.ostrovsky-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org,
andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org
Subject: Re: [Xen-devel] [PATCH v4 11/14] pnpbios: replace paravirt_enabled() check with legacy device check
Date: Thu, 7 Apr 2016 10:46:11 +0100 [thread overview]
Message-ID: <57062C63.2010609@citrix.com> (raw)
In-Reply-To: <1459987594-5434-12-git-send-email-mcgrof-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
On 07/04/16 01:06, Luis R. Rodriguez wrote:
> Since we are removing paravirt_enabled() replace it with a
> logical equivalent. Even though PNPBIOS is x86 specific we
> add an arch-specific type call, which can be implemented by
> any architecture to show how other legacy attribute devices
> can later be also checked for with other ACPI legacy attribute
> flags.
>
> This implicates the first ACPI 5.2.9.3 IA-PC Boot Architecture
> ACPI_FADT_LEGACY_DEVICES flag device, and shows how to add more.
[...]
> +struct x86_legacy_devices {
> + int pnpbios;
> +};
It's not clear why pnpbios needs a new structure and why this structure
of devices does not have the bit for the rtc device.
David
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next prev parent reply other threads:[~2016-04-07 9:46 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-07 0:06 [PATCH v4 00/14] x86: remove paravirt_enabled Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 01/14] x86/boot: enumerate documentation for the x86 hardware_subarch Luis R. Rodriguez
2016-04-07 11:25 ` Andy Shevchenko
2016-04-07 22:36 ` Luis R. Rodriguez
2016-04-07 22:36 ` Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 02/14] x86/xen: use X86_SUBARCH_XEN for PV guest boots Luis R. Rodriguez
2016-04-07 0:06 ` Luis R. Rodriguez
2016-04-07 9:41 ` [Xen-devel] " David Vrabel
2016-04-07 9:41 ` David Vrabel
2016-04-07 0:06 ` [PATCH v4 03/14] tools/lguest: make lguest launcher use X86_SUBARCH_LGUEST explicitly Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 04/14] x86/rtc: replace paravirt rtc check with platform legacy quirk Luis R. Rodriguez
2016-04-07 0:06 ` Luis R. Rodriguez
2016-04-07 9:42 ` [Xen-devel] " David Vrabel
2016-04-07 9:42 ` David Vrabel
2016-04-13 23:08 ` Luis R. Rodriguez
2016-04-07 12:55 ` Boris Ostrovsky
2016-04-07 12:55 ` Boris Ostrovsky
2016-04-08 0:32 ` Luis R. Rodriguez
2016-04-08 5:18 ` Juergen Gross
2016-04-08 6:29 ` Luis R. Rodriguez
2016-04-08 6:29 ` Luis R. Rodriguez
2016-04-08 6:38 ` Juergen Gross
2016-04-08 6:38 ` Juergen Gross
2016-04-08 6:56 ` Luis R. Rodriguez
2016-04-08 6:56 ` Luis R. Rodriguez
2016-04-08 7:13 ` Juergen Gross
2016-04-08 7:13 ` Juergen Gross
2016-04-08 7:36 ` Luis R. Rodriguez
2016-04-08 7:36 ` Luis R. Rodriguez
2016-04-08 7:59 ` Juergen Gross
2016-04-08 7:59 ` Juergen Gross
2016-04-08 12:37 ` Boris Ostrovsky
2016-04-08 12:37 ` Boris Ostrovsky
2016-04-08 18:45 ` Luis R. Rodriguez
2016-04-08 18:45 ` Luis R. Rodriguez
2016-04-08 12:25 ` Boris Ostrovsky
2016-04-08 12:25 ` Boris Ostrovsky
2016-04-07 0:06 ` [PATCH v4 05/14] x86, ACPI: move ACPI_FADT_NO_CMOS_RTC check to ACPI boot code Luis R. Rodriguez
2016-04-07 0:06 ` Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 06/14] x86/init: use a platform legacy quirk for ebda Luis R. Rodriguez
2016-04-07 0:06 ` Luis R. Rodriguez
2016-04-07 9:44 ` [Xen-devel] " David Vrabel
2016-04-07 9:44 ` David Vrabel
2016-04-07 21:07 ` Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 07/14] tools/lguest: force disable tboot and apm Luis R. Rodriguez
2016-04-11 3:32 ` Rusty Russell
2016-04-11 3:32 ` Rusty Russell
2016-04-07 0:06 ` [PATCH v4 08/14] apm32: remove paravirt_enabled() use Luis R. Rodriguez
2016-04-07 0:06 ` Luis R. Rodriguez
2016-04-07 13:08 ` Boris Ostrovsky
2016-04-07 22:31 ` Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 09/14] x86/tboot: remove paravirt_enabled() Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 10/14] x86/cpu/intel: remove not needed paravirt_enabled() for f00f work around Luis R. Rodriguez
2016-04-07 0:06 ` Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 11/14] pnpbios: replace paravirt_enabled() check with legacy device check Luis R. Rodriguez
2016-04-07 9:46 ` David Vrabel [this message]
2016-04-07 9:46 ` [Xen-devel] " David Vrabel
2016-04-07 21:42 ` Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 12/14] x86, ACPI: parse ACPI_FADT_LEGACY_DEVICES Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 13/14] x86/init: rename ebda code file Luis R. Rodriguez
2016-04-07 0:06 ` Luis R. Rodriguez
2016-04-07 0:06 ` [PATCH v4 14/14] x86/paravirt: remove paravirt_enabled() Luis R. Rodriguez
2016-04-07 13:24 ` [Xen-devel] [PATCH v4 00/14] x86: remove paravirt_enabled Juergen Gross
2016-04-07 21:31 ` [PATCH v4 13/14] x86/init: rename ebda code file Luis R. Rodriguez
2016-04-08 1:14 ` [PATCH v4 00/14] x86: remove paravirt_enabled Luis R. Rodriguez
2016-04-08 10:23 ` Borislav Petkov
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