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From: "H. Peter Anvin" <hpa@zytor.com>
To: Thomas Renninger <trenn@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Conrad Kostecki <ck@conrad-kostecki.de>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"x86@kernel.org" <x86@kernel.org>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	devel@acpica.org
Subject: Re: AW: AW: [PATCH] x86: HPET force enable for Soekris net6501
Date: Mon, 17 Feb 2014 11:40:19 -0800	[thread overview]
Message-ID: <530265A3.3020302@zytor.com> (raw)
In-Reply-To: <4233973.R9Tf84J4Ne@skinner>

On 02/17/2014 11:25 AM, Thomas Renninger wrote:
> On Monday, February 17, 2014 10:47:50 AM H. Peter Anvin wrote:
>> On 02/17/2014 10:23 AM, Thomas Renninger wrote:
>>> Easiest I can think of instead of trying to modify RSDP or similar, is
>>> to still pass the tables via unzipped, glued cpio which the kernel
>>> can access early. The same way it is done for current ACPI table
>>> overriding
>>> and early microcode passing.
>>
>> We shouldn't *need* an RSDP and RSDT/XSDT, though, since all they are
>> are pointers to the actual tables.  Rather than hacking around it we
>> should probably just fix the fundamental problem.
> 
> That is what I described.
> If something similar what I wrote gets implemented, you can simply
> add ACPI tables to initrd as described here:
> Documentation/acpi/initrd_table_override.txt
> and if BIOS already provides them they get overridden, otherwise
> they get added.
> 

Right, that was the idea.  Thomas Gleixner said it didn't work.

	-hpa



  reply	other threads:[~2014-02-17 19:43 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-14 10:23 [PATCH] x86: HPET force enable for Soekris net6501 Conrad Kostecki
2014-02-14 17:46 ` H. Peter Anvin
2014-02-14 18:06   ` AW: " Conrad Kostecki
2014-02-14 18:08     ` H. Peter Anvin
2014-02-14 18:13       ` AW: " Conrad Kostecki
2014-02-14 18:16         ` H. Peter Anvin
2014-02-14 18:21           ` Thomas Gleixner
2014-02-14 18:22             ` H. Peter Anvin
2014-02-14 18:38               ` Thomas Gleixner
2014-02-14 18:39                 ` H. Peter Anvin
2014-02-14 19:15                   ` Thomas Gleixner
2014-02-14 19:26                     ` H. Peter Anvin
2014-02-14 19:59                       ` Thomas Gleixner
2014-02-14 20:06                         ` H. Peter Anvin
2014-02-14 21:16                           ` Thomas Gleixner
2014-02-14 21:18                             ` H. Peter Anvin
2014-02-14 21:47                               ` Thomas Gleixner
2014-02-14 21:48                                 ` H. Peter Anvin
2014-02-17 16:28                             ` Thomas Renninger
2014-02-17 17:19                               ` H. Peter Anvin
2014-02-17 18:23                                 ` Thomas Renninger
2014-02-17 18:23                                   ` [Devel] " Thomas Renninger
2014-02-17 18:47                                   ` AW: AW: " H. Peter Anvin
2014-02-17 19:25                                     ` Thomas Renninger
2014-02-17 19:25                                       ` [Devel] " Thomas Renninger
2014-02-17 19:40                                       ` H. Peter Anvin [this message]
2014-02-18 18:22                                         ` ACPI: Also allow ACPI table adding via initrd not only overriding Thomas Renninger
2014-02-18 18:22                                           ` [Devel] " Thomas Renninger
2014-02-18 18:22                                           ` [PATCH 1/4] ACPI: Provide support for ACPI table adding via OS Thomas Renninger
2014-02-18 18:22                                             ` [Devel] " Thomas Renninger
2014-02-18 18:27                                             ` H. Peter Anvin
2014-02-18 18:44                                               ` Thomas Renninger
2014-02-18 18:44                                                 ` [Devel] " Thomas Renninger
2014-02-18 20:51                                                 ` H. Peter Anvin
2014-02-19 11:22                                                   ` Thomas Renninger
2014-02-19 11:22                                                     ` [Devel] " Thomas Renninger
2014-02-21  7:24                                                     ` Zheng, Lv
2014-02-21  7:24                                                       ` Zheng, Lv
2014-02-21  7:28                                                 ` Zheng, Lv
2014-02-21  7:28                                                   ` Zheng, Lv
2014-02-18 18:22                                           ` [PATCH 2/4] ACPICA: Introduce new acpi_os_physical_table_add OS callback Thomas Renninger
2014-02-18 18:22                                             ` [Devel] " Thomas Renninger
2014-02-18 18:22                                           ` [PATCH 3/4] ACPICA: Add BGRT signature to known signatures Thomas Renninger
2014-02-18 18:22                                             ` [Devel] " Thomas Renninger
2014-02-18 18:22                                           ` [PATCH 4/4] ACPI: Add new table signatures that can be overridden/added Thomas Renninger
2014-02-18 18:22                                             ` [Devel] " Thomas Renninger
2014-02-18 18:38                                           ` [Devel] ACPI: Also allow ACPI table adding via initrd not only overriding Moore, Robert
2014-02-18 18:38                                             ` Moore, Robert
2014-02-18 18:52                                             ` Thomas Renninger
2014-02-18 18:52                                               ` Thomas Renninger
2014-02-18 19:59                                               ` Moore, Robert
2014-02-18 19:59                                                 ` Moore, Robert
2014-02-19 11:14                                                 ` Thomas Renninger
2014-02-19 11:14                                                   ` Thomas Renninger
2014-02-19 13:03                                                   ` Thomas Gleixner
2014-02-14 18:28           ` AW: AW: AW: [PATCH] x86: HPET force enable for Soekris net6501 Conrad Kostecki
2014-09-09 13:56             ` Eric Sesterhenn
2014-09-09 14:54               ` Thomas Gleixner
2014-09-09 15:26                 ` H. Peter Anvin
2014-09-09 15:41                   ` Thomas Gleixner
2014-09-12  9:41                   ` Eric Sesterhenn
2014-09-12 10:37                     ` Thomas Gleixner
2014-09-12 11:06                       ` [PATCH] x86: HPET force enable for e6xx based systems Eric Sesterhenn
2014-09-16  0:58                         ` [tip:x86/platform] " tip-bot for Peter Neubauer

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