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From: ebiederm@xmission.com (Eric W. Biederman)
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org,
Zwane Mwaikambo <zwane@infradead.org>,
Ashok Raj <ashok.raj@intel.com>, Ingo Molnar <mingo@elte.hu>,
"Lu, Yinghai" <yinghai.lu@amd.com>,
Natalie Protasevich <protasnb@gmail.com>, Andi Kleen <ak@suse.de>,
"Siddha, Suresh B" <suresh.b.siddha@intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: [PATCH 11/14] x86_64 irq: Remove unnecessary irq 0 setup.
Date: Fri, 23 Feb 2007 04:36:25 -0700 [thread overview]
Message-ID: <m1tzxdt8au.fsf_-_@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <m1y7mpt8d2.fsf_-_@ebiederm.dsl.xmission.com> (Eric W. Biederman's message of "Fri, 23 Feb 2007 04:35:05 -0700")
The code in io_apic.c and in i8259.c currently hardcode the same
vector for the timer interrupt so there is no reason for a special
assignment for the timer as the setup for the i8259 already takes care
of this.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
arch/x86_64/kernel/i8259.c | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index 01e2cf0..103517d 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -520,12 +520,6 @@ void __init init_IRQ(void)
#ifdef CONFIG_SMP
/*
- * IRQ0 must be given a fixed assignment and initialized,
- * because it's used before the IO-APIC is set up.
- */
- __get_cpu_var(vector_irq)[FIRST_DEVICE_VECTOR] = 0;
-
- /*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
*/
--
1.5.0.g53756
next prev parent reply other threads:[~2007-02-23 11:38 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200701221116.13154.luigi.genoni@pirelli.com>
2007-01-22 17:14 ` System crash after "No irq handler for vector" linux 2.6.19 Eric W. Biederman
[not found] ` <200701231051.32945.luigi.genoni@pirelli.com>
2007-01-23 12:18 ` Eric W. Biederman
[not found] ` <Pine.LNX.4.64.0701232052330.32111@baldios.it.pirelli.com>
2007-01-31 8:39 ` Eric W. Biederman
[not found] ` <200701311549.22512.luigi.genoni@pirelli.com>
2007-02-01 5:56 ` [PATCH] x86_64: Survive having no irq mapping for a vector Eric W. Biederman
2007-02-01 5:59 ` System crash after "No irq handler for vector" linux 2.6.19 Eric W. Biederman
2007-02-01 7:20 ` Eric W. Biederman
[not found] ` <200702021848.55921.luigi.genoni@pirelli.com>
2007-02-02 18:02 ` Eric W. Biederman
[not found] ` <200702021905.39922.luigi.genoni@pirelli.com>
2007-02-02 18:32 ` Eric W. Biederman
2007-02-03 0:31 ` [PATCH 1/2] x86_64 irq: Simplfy __assign_irq_vector Eric W. Biederman
2007-02-03 0:35 ` [PATCH 2/2] x86_64 irq: Handle irqs pending in IRR during irq migration Eric W. Biederman
2007-02-03 1:05 ` Andrew Morton
2007-02-03 1:39 ` Eric W. Biederman
2007-02-03 2:01 ` Andrew Morton
2007-02-03 7:32 ` Arjan van de Ven
2007-02-03 7:55 ` Eric W. Biederman
2007-02-03 14:31 ` l.genoni
2007-02-03 10:01 ` Andi Kleen
2007-02-03 10:22 ` Eric W. Biederman
2007-02-03 10:26 ` Andi Kleen
2007-02-06 7:36 ` Ingo Molnar
2007-02-06 8:57 ` Eric W. Biederman
[not found] ` <200702061012.25910.luigi.genoni@pirelli.com>
2007-02-06 22:05 ` Eric W. Biederman
2007-02-06 22:16 ` Eric W. Biederman
2007-02-06 22:25 ` Ingo Molnar
2007-02-07 2:33 ` Eric W. Biederman
2007-02-08 11:48 ` Eric W. Biederman
2007-02-08 20:19 ` Eric W. Biederman
2007-02-09 6:40 ` Eric W. Biederman
2007-02-10 23:52 ` What are the real ioapic rte programming constraints? Eric W. Biederman
2007-02-11 5:57 ` Zwane Mwaikambo
2007-02-11 10:20 ` Eric W. Biederman
2007-02-11 16:16 ` Zwane Mwaikambo
2007-02-11 22:01 ` Eric W. Biederman
2007-02-12 1:05 ` Zwane Mwaikambo
2007-02-12 4:51 ` Eric W. Biederman
2007-02-23 10:51 ` Conclusions from my investigation about ioapic programming Eric W. Biederman
2007-02-23 11:10 ` [PATCH 0/14] x86_64 irq related fixes and cleanups Eric W. Biederman
2007-02-23 11:11 ` [PATCH 01/14] x86_64 irq: Simplfy __assign_irq_vector Eric W. Biederman
2007-02-23 11:13 ` [PATCH 02/14] irq: Remove set_native_irq_info Eric W. Biederman
2007-02-23 11:15 ` [PATCH 03/14] x86_64 irq: Kill declaration of removed array, interrupt Eric W. Biederman
2007-02-23 11:16 ` [PATCH 04/14] x86_64 irq: Remove the unused vector parameter from ioapic_register_intr Eric W. Biederman
2007-02-23 11:19 ` [PATCH 05/14] x86_64 irq: Refactor setup_IO_APIC_irq Eric W. Biederman
2007-02-23 11:20 ` [PATCH 06/14] x86_64 irq: Simplfiy the set_affinity logic Eric W. Biederman
2007-02-23 11:23 ` [PATCH 07/14] x86_64 irq: In __DO_ACTION perform the FINAL action for every entry Eric W. Biederman
2007-02-23 11:26 ` [PATCH 08/14] x86_64 irq: Use NR_IRQS not NR_IRQ_VECTORS Eric W. Biederman
2007-02-23 11:32 ` [PATCH 09/14] x86_64 irq: Begin consolidating per_irq data in structures Eric W. Biederman
2007-02-23 11:35 ` [PATCH 10/14] x86_64 irq: Simplify assign_irq_vector's arguments Eric W. Biederman
2007-02-23 11:36 ` Eric W. Biederman [this message]
2007-02-23 11:38 ` [PATCH 12/14] x86_64 irq: Add constants for the reserved IRQ vectors Eric W. Biederman
2007-02-23 11:40 ` [PATCH 13/14] x86_64 irq: Safely cleanup an irq after moving it Eric W. Biederman
2007-02-25 11:53 ` Mika Penttilä
2007-02-25 12:09 ` Eric W. Biederman
2007-02-23 11:46 ` [PATCH 14/14] genirq: Mask irqs when migrating them Eric W. Biederman
2007-02-23 12:01 ` [PATCH] x86_64 irq: Document what works and why on ioapics Eric W. Biederman
2007-02-24 2:06 ` [PATCH 14/14] genirq: Mask irqs when migrating them Siddha, Suresh B
2007-02-27 20:26 ` Andrew Morton
2007-02-27 20:41 ` Eric W. Biederman
2007-02-25 10:43 ` [PATCH 12/14] x86_64 irq: Add constants for the reserved IRQ vectors Pavel Machek
2007-02-25 11:15 ` Eric W. Biederman
2007-02-25 19:48 ` Pavel Machek
2007-02-25 21:01 ` Eric W. Biederman
2007-02-25 21:13 ` Pavel Machek
2007-02-23 16:48 ` Conclusions from my investigation about ioapic programming Jeff V. Merkey
2007-02-23 18:10 ` Eric W. Biederman
2007-02-23 17:48 ` Jeff V. Merkey
2007-02-24 4:05 ` Eric W. Biederman
2007-02-24 5:44 ` Jeffrey V. Merkey
2007-02-23 17:48 ` Jeff V. Merkey
[not found] ` <32209efe0702111212j77f5011xe2430cb13c13686@mail.gmail.com>
2007-02-11 21:36 ` What are the real ioapic rte programming constraints? Eric W. Biederman
2007-02-03 9:50 ` [PATCH 1/2] x86_64 irq: Simplfy __assign_irq_vector Andi Kleen
2007-02-03 0:40 ` System crash after "No irq handler for vector" linux 2.6.19 Eric W. Biederman
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