linux-kernel - [PATCH 1/7] add kernel cmdline option to disable pci-irq quirks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <12124107071030-git-send-email-od@suse.de>
Date:	Mon,  2 Jun 2008 14:45:01 +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 1/7] add kernel cmdline option to disable pci-irq quirks

From: Olaf Dabrunz <od@...e.de>

Add a switch to disable all boot interrupt quirks, using the parameter
nobootirqquirk.

Signed-off-by: Olaf Dabrunz <od@...e.de>
Signed-off-by: Stefan Assmann <sassmann@...e.de>
---
 drivers/pci/quirks.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index dabb563..6245486 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1363,6 +1363,21 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	0x2609, quirk_intel_pcie_pm);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	0x260a, quirk_intel_pcie_pm);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	0x260b, quirk_intel_pcie_pm);
 
+
+#ifdef CONFIG_X86_IO_APIC
+int nobootirqquirk __read_mostly = 0;
+
+int nobootirqquirk_setup(char *str)
+{
+	nobootirqquirk = 1;
+	printk(KERN_INFO "Boot IRQ quirk handling disabled\n");
+
+	return 1;
+}
+__setup("nobootirqquirk", nobootirqquirk_setup);
+#endif /* CONFIG_X86_IO_APIC */
+
+
 /*
  * Toshiba TC86C001 IDE controller reports the standard 8-byte BAR0 size
  * but the PIO transfers won't work if BAR0 falls at the odd 8 bytes.
-- 
1.5.2.4

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/