linux-kernel - [PATCH 6/7] disable pci legacy boot irq quirks on noapic boot

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Message-Id: <12124107071424-git-send-email-od@suse.de>
Date:	Mon,  2 Jun 2008 14:45:06 +0200
From:	Olaf Dabrunz <od@...e.de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Jon Masters <jonathan@...masters.org>,
	linux-kernel@...r.kernel.org, Olaf Dabrunz <od@...e.de>,
	Stefan Assmann <sassmann@...e.de>
Subject: [PATCH 6/7] disable pci legacy boot irq quirks on noapic boot

From: Stefan Assmann <sassmann@...e.de>

Don't enable pci boot irq quirks when falling back to pic, this would
break interrupt routing.

Signed-off-by: Stefan Assmann <sassmann@...e.de>
Signed-off-by: Olaf Dabrunz <od@...e.de>
---
 include/asm-x86/io_apic.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h
index 5b1292f..461771c 100644
--- a/include/asm-x86/io_apic.h
+++ b/include/asm-x86/io_apic.h
@@ -151,8 +151,11 @@ extern int skip_ioapic_setup;
 /* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */
 extern int timer_through_8259;
 
+extern int nobootirqquirk;
+
 static inline void disable_ioapic_setup(void)
 {
+	nobootirqquirk = 1;
 	skip_ioapic_setup = 1;
 }
 
-- 
1.5.2.4

-- 
Olaf Dabrunz (od/odabrunz), SUSE Linux Products GmbH, Nürnberg

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