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Message-ID: <5986589C150B2F49A46483AC44C7BCA4907360@ssvlexmb2.amd.com> Date: Mon, 8 Jan 2007 09:16:32 -0800 From: "Lu, Yinghai" <yinghai.lu@....com> To: ebiederm@...ssion.com, "Linus Torvalds" <torvalds@...l.org> cc: "Tobias Diedrich" <ranma+kernel@...edrich.de>, "Andrew Morton" <akpm@...l.org>, "Adrian Bunk" <bunk@...sta.de>, "Andi Kleen" <ak@...e.de>, "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org> Subject: RE: [PATCH 4/4] x86_64 ioapic: Improve the heuristics for when check_timer fails. -----Original Message----- From: ebiederm@...ssion.com [mailto:ebiederm@...ssion.com] Sent: Monday, January 08, 2007 8:11 AM To: Linus Torvalds Cc: Tobias Diedrich; Lu, Yinghai; Andrew Morton; Adrian Bunk; Andi Kleen; Linux Kernel Mailing List Subject: [PATCH 4/4] x86_64 ioapic: Improve the heuristics for when check_timer fails. >I have tested this on an Nvidia board that reports that apic 0 pin 2 >works when it does not and this code successfully programs apic 0 pin 0 >into ExtINT mode. For some CK804 boards, BIOS forget set to 8254 timer to apic0/pin2, and still leave it at apic0/pin0. but mptable and acpi said 8254 timer is to apic0/pin2. At such case we should try apic0/pin0 with INT mode instead of ExtINT mode. YH - 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/
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