From: Ingo Molnar <mingo@elte.hu>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>,
hpa@zytor.com, tglx@linutronix.de, akpm@linux-foundation.org,
arjan@linux.intel.com, andi@firstfloor.org,
jbarnes@virtuousgeek.org, steiner@sgi.com,
linux-kernel@vger.kernel.org
Subject: Re: [patch 00/26] x64, x2apic/intr-remap: Interrupt-remapping and x2apic support
Date: Thu, 10 Jul 2008 22:18:01 +0200 [thread overview]
Message-ID: <20080710201801.GA6168@elte.hu> (raw)
In-Reply-To: <m1prplv71d.fsf@frodo.ebiederm.org>
* Eric W. Biederman <ebiederm@xmission.com> wrote:
> A lot of your code is generic, and some of it is for just x86_64.
> Since the cpus are capable of running in 32bit mode. We really need
> to implement x86_32 and x86_64 support in the same code base. Which I
> believe means factoring out pieces of io_apic_N.c into things such as
> msi.c that can be shared between the two architectures.
i think the APIC code should be fully unified down the line - the
APIC/IOAPIC knows little about the mode the CPU is running in and has to
be programmed the same way independent of which mode the CPU is in. The
current fork between the 32-bit and 64-bit APIC code is in good part
artificial.
Ingo
next prev parent reply other threads:[~2008-07-10 20:18 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-10 18:16 [patch 00/26] x64, x2apic/intr-remap: Interrupt-remapping and x2apic support Suresh Siddha
2008-07-10 18:16 ` [patch 01/26] x64, x2apic/intr-remap: Intel vt-d, IOMMU code reorganization Suresh Siddha
2008-07-10 18:16 ` [patch 02/26] x64, x2apic/intr-remap: fix the need for sequential array allocation of iommus Suresh Siddha
2008-07-10 18:16 ` [patch 03/26] x64, x2apic/intr-remap: code re-structuring, to be used by both DMA and Interrupt remapping Suresh Siddha
2008-07-10 18:16 ` [patch 04/26] x64, x2apic/intr-remap: use CONFIG_DMAR for DMA-remapping specific code Suresh Siddha
2008-07-10 18:16 ` [patch 05/26] x64, x2apic/intr-remap: Fix the need for RMRR in the DMA-remapping detection Suresh Siddha
2008-07-10 18:16 ` [patch 06/26] x64, x2apic/intr-remap: parse ioapic scope under vt-d structures Suresh Siddha
2008-07-10 18:16 ` [patch 07/26] x64, x2apic/intr-remap: move IOMMU_WAIT_OP() macro to intel-iommu.h Suresh Siddha
2008-07-10 18:16 ` [patch 08/26] x64, x2apic/intr-remap: Queued invalidation infrastructure (part of VT-d) Suresh Siddha
2008-07-10 18:16 ` [patch 09/26] x64, x2apic/intr-remap: Interrupt remapping infrastructure Suresh Siddha
2008-07-10 18:16 ` [patch 10/26] x64, x2apic/intr-remap: routines managing Interrupt remapping table entries Suresh Siddha
2008-07-10 18:16 ` [patch 11/26] x64, x2apic/intr-remap: generic irq migration support from process context Suresh Siddha
2008-07-10 23:08 ` Eric W. Biederman
2008-07-11 5:41 ` Suresh Siddha
2008-07-11 9:19 ` Eric W. Biederman
2008-07-10 18:16 ` [patch 12/26] x64, x2apic/intr-remap: 8259 specific mask/unmask routines Suresh Siddha
2008-07-10 18:16 ` [patch 13/26] x64, x2apic/intr-remap: ioapic routines which deal with initial io-apic RTE setup Suresh Siddha
2008-07-10 18:16 ` [patch 14/26] x64, x2apic/intr-remap: introduce read_apic_id() to genapic routines Suresh Siddha
2008-07-10 18:16 ` [patch 15/26] x64, x2apic/intr-remap: basic apic ops support Suresh Siddha
2008-07-10 18:16 ` [patch 16/26] x64, x2apic/intr-remap: cpuid bits for x2apic feature Suresh Siddha
2008-07-10 18:16 ` [patch 17/26] x64, x2apic/intr-remap: disable DMA-remapping if Interrupt-remapping is detected (temporary quirk) Suresh Siddha
2008-07-10 18:16 ` [patch 18/26] x64, x2apic/intr-remap: x2apic ops for x2apic mode support Suresh Siddha
2008-07-10 18:16 ` [patch 19/26] x64, x2apic/intr-remap: introcude self IPI to genapic routines Suresh Siddha
2008-07-10 23:34 ` Eric W. Biederman
2008-07-11 2:29 ` Mike Travis
2008-07-11 3:50 ` Eric W. Biederman
2008-07-11 13:55 ` Mike Travis
2008-07-10 18:16 ` [patch 20/26] x64, x2apic/intr-remap: x2apic cluster mode support Suresh Siddha
2008-07-10 18:16 ` [patch 21/26] x64, x2apic/intr-remap: setup init_apic_ldr for UV Suresh Siddha
2008-07-11 0:14 ` Andrew Morton
2008-07-11 1:56 ` Suresh Siddha
2008-07-10 18:16 ` [patch 22/26] x64, x2apic/intr-remap: IO-APIC support for interrupt-remapping Suresh Siddha
2008-07-10 18:16 ` [patch 23/26] x64, x2apic/intr-remap: MSI and MSI-X support for interrupt remapping infrastructure Suresh Siddha
2008-07-11 1:22 ` Eric W. Biederman
2008-07-11 6:07 ` Suresh Siddha
2008-07-11 8:59 ` Eric W. Biederman
2008-07-11 23:07 ` Suresh Siddha
2008-07-11 23:50 ` Eric W. Biederman
2008-07-10 18:16 ` [patch 24/26] x64, x2apic/intr-remap: add x2apic support, including enabling interrupt-remapping Suresh Siddha
2008-07-10 18:16 ` [patch 25/26] x64, x2apic/intr-remap: support for x2apic physical mode support Suresh Siddha
2008-07-10 18:17 ` [patch 26/26] x64, x2apic/intr-remap: introduce CONFIG_INTR_REMAP Suresh Siddha
2008-07-10 23:29 ` Eric W. Biederman
2008-07-10 23:37 ` Yong Wang
2008-07-11 1:50 ` Suresh Siddha
2008-07-11 1:53 ` Eric W. Biederman
2008-07-10 19:53 ` [patch 00/26] x64, x2apic/intr-remap: Interrupt-remapping and x2apic support Ingo Molnar
2008-07-10 20:22 ` Suresh Siddha
2008-07-10 21:56 ` Suresh Siddha
2008-07-11 10:28 ` Ingo Molnar
2008-07-11 20:09 ` Ingo Molnar
2008-07-11 20:31 ` Suresh Siddha
2008-07-11 20:42 ` Yinghai Lu
2008-07-11 20:45 ` Ingo Molnar
2008-07-11 21:24 ` Suresh Siddha
2008-07-11 22:02 ` Yinghai Lu
2008-07-12 3:16 ` Yinghai Lu
2008-07-12 3:52 ` Eric W. Biederman
2008-07-12 6:17 ` Yinghai Lu
2008-07-12 7:02 ` Eric W. Biederman
2008-07-12 7:49 ` Yinghai Lu
2008-07-12 8:11 ` Eric W. Biederman
2008-07-12 8:37 ` Yinghai Lu
2008-07-12 9:46 ` Eric W. Biederman
2008-07-13 1:02 ` Suresh Siddha
2008-07-13 1:01 ` Suresh Siddha
2008-07-13 1:32 ` Suresh Siddha
2008-07-13 1:00 ` Suresh Siddha
2008-07-13 0:55 ` Suresh Siddha
2008-07-12 5:37 ` Ingo Molnar
2008-07-12 6:06 ` Yinghai Lu
2008-07-12 6:45 ` Ingo Molnar
2008-07-11 20:49 ` Ingo Molnar
2008-07-16 14:37 ` Yong Wang
2008-07-16 14:53 ` Ingo Molnar
2008-07-22 20:49 ` Andrew Morton
2008-07-22 21:00 ` Mike Travis
2008-07-22 21:14 ` Andrew Morton
2008-07-24 5:03 ` Ingo Molnar
2008-07-10 20:05 ` Eric W. Biederman
2008-07-10 20:18 ` Ingo Molnar [this message]
2008-07-10 21:07 ` Eric W. Biederman
2008-07-10 21:15 ` Suresh Siddha
2008-07-10 22:52 ` Eric W. Biederman
2008-07-11 2:35 ` Suresh Siddha
2008-07-11 3:15 ` Eric W. Biederman
2008-07-10 22:09 ` Arjan van de Ven
2008-07-10 22:54 ` Eric W. Biederman
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