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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: "Kevin Wolf" <kwolf@redhat.com>,
	"Laurent Vivier" <lvivier@redhat.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	qemu-block@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>,
	qemu-devel@nongnu.org, "Max Reitz" <mreitz@redhat.com>,
	"Corey Minyard" <minyard@acm.org>,
	"Igor Mammedov" <imammedo@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"John Snow" <jsnow@redhat.com>,
	"Richard Henderson" <rth@twiddle.net>
Subject: Re: [PATCH v3 15/15] acpi: simplify build_isa_devices_aml()
Date: Mon, 4 May 2020 16:46:20 +0200	[thread overview]
Message-ID: <2838a14e-00c9-6f49-73d6-92b4382cf116@redhat.com> (raw)
In-Reply-To: <20200504134652.fdyxndske6u5f4yy@sirius.home.kraxel.org>



On 5/4/20 3:46 PM, Gerd Hoffmann wrote:
> On Thu, Apr 30, 2020 at 08:48:31AM +0200, Philippe Mathieu-Daudé wrote:
>> Cc'ing IPMI maintainer.
>>
>> On 4/29/20 4:00 PM, Gerd Hoffmann wrote:
>>> x86 machines can have a single ISA bus only.
>>
>> I disagree with the comment.
>> Machines can have multiple ISA bus.
> 
> Note *x86* machines.  Given x86 has a global io address space I still
> think this is true.
> 
> On some !x86 archs where a mmio window on the bridge is used for the io
> address space multiple isa busses are possible.  I'm not sure whenever
> this is purely theoretical or whenever such machines exist in practice
> and in case of the latter whenever qemu can emulate one.

It currently can't.

> 
>>>    hw/i386/acpi-build.c | 15 +++++----------
>           ^^^^
> But in any case !x86 doesn't matter here ;)

Oops I didn't notice...

> 
> take care,
>    Gerd
> 



  reply	other threads:[~2020-05-04 14:51 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-29 13:59 [PATCH v3 00/15] acpi: i386 tweaks Gerd Hoffmann
2020-04-29 13:59 ` [PATCH v3 01/15] move 'typedef Aml' to qemu/types.h Gerd Hoffmann
2020-04-30  6:35   ` Philippe Mathieu-Daudé
2020-04-29 13:59 ` [PATCH v3 02/15] acpi: add aml builder stubs Gerd Hoffmann
2020-04-29 13:59 ` [PATCH v3 03/15] qtest: allow DSDT acpi table changes Gerd Hoffmann
2020-04-29 13:59 ` [PATCH v3 04/15] acpi: drop pointless _STA method Gerd Hoffmann
2020-04-30  6:35   ` Philippe Mathieu-Daudé
2020-04-29 13:59 ` [PATCH v3 05/15] acpi: add ISADeviceClass->build_aml() Gerd Hoffmann
2020-04-29 13:59 ` [PATCH v3 06/15] rtc: add RTC_ISA_BASE Gerd Hoffmann
2020-04-30  6:35   ` Philippe Mathieu-Daudé
2020-04-30 12:06   ` Igor Mammedov
2020-04-29 13:59 ` [PATCH v3 07/15] acpi: move aml builder code for rtc device Gerd Hoffmann
2020-04-30 12:13   ` Igor Mammedov
2020-04-29 13:59 ` [PATCH v3 08/15] acpi: serial: don't use _STA method Gerd Hoffmann
2020-04-30  6:39   ` Philippe Mathieu-Daudé
2020-05-04 13:19     ` Gerd Hoffmann
2020-05-04 14:47       ` Philippe Mathieu-Daudé
2020-04-29 13:59 ` [PATCH v3 09/15] acpi: move aml builder code for serial device Gerd Hoffmann
2020-04-29 13:59 ` [PATCH v3 10/15] acpi: parallel: don't use _STA method Gerd Hoffmann
2020-04-30  6:43   ` Philippe Mathieu-Daudé
2020-05-04 13:21     ` Gerd Hoffmann
2020-04-30 16:25   ` Igor Mammedov
2020-05-04 13:25     ` Gerd Hoffmann
2020-05-04 16:10       ` Igor Mammedov
2020-04-29 13:59 ` [PATCH v3 11/15] acpi: move aml builder code for parallel device Gerd Hoffmann
2020-04-30 13:43   ` Igor Mammedov
2020-04-29 14:00 ` [PATCH v3 12/15] acpi: move aml builder code for floppy device Gerd Hoffmann
2020-04-30 16:19   ` Igor Mammedov
2020-04-29 14:00 ` [PATCH v3 13/15] acpi: move aml builder code for i8042 (kbd+mouse) device Gerd Hoffmann
2020-04-30  6:50   ` Philippe Mathieu-Daudé
2020-04-30 16:28   ` Igor Mammedov
2020-04-29 14:00 ` [PATCH v3 14/15] acpi: factor out fw_cfg_add_acpi_dsdt() Gerd Hoffmann
2020-04-30 16:31   ` Igor Mammedov
2020-04-29 14:00 ` [PATCH v3 15/15] acpi: simplify build_isa_devices_aml() Gerd Hoffmann
2020-04-30  6:48   ` Philippe Mathieu-Daudé
2020-05-04 13:46     ` Gerd Hoffmann
2020-05-04 14:46       ` Philippe Mathieu-Daudé [this message]
2020-04-29 18:31 ` [PATCH v3 00/15] acpi: i386 tweaks no-reply
2020-05-04 12:48 ` Michael S. Tsirkin

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