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Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-chance

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From: Maciej W. Rozycki <macro@...>
To: Ingo Molnar <mingo@...>
Cc: Thomas Gleixner <tglx@...>, H. Peter Anvin <hpa@...>, <linux-kernel@...>, the arch/x86 maintainers <x86@...>
Subject: Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-chance
Date: Thursday, June 5, 2008 - 10:55 am

On Thu, 5 Jun 2008, Ingo Molnar wrote:


 It seems wrong to me to set timer_through_8259 in apic_{32,64}.c -- can I
get .config for this setup as well as the bootstrap log?  Why is the 8259A
needed here to supply the timer interrupt?  It shouldn't be needed except
as arranged in check_timer() -- elsewhere the corresponding I/O APIC input
is not set up correctly.

 Note I have chosen the default value of timer_through_8259 deliberately
to trigger dodgy cases like this ;) so that they can be investigated.

  Maciej
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Messages in current thread:
[PATCH 8/8] x86: I/O APIC: Timer through 8259A second-chance, Maciej W. Rozycki, (Tue May 27, 4:19 pm)
Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-ch..., Ingo Molnar, (Sat May 31, 6:18 am)
Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-ch..., Ingo Molnar, (Thu Jun 5, 5:19 am)
Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-ch..., Maciej W. Rozycki, (Thu Jun 5, 10:55 am)
Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-ch..., Ingo Molnar, (Thu Jun 5, 11:03 am)
Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-ch..., Maciej W. Rozycki, (Thu Jun 5, 2:33 pm)
Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-ch..., Cyrill Gorcunov, (Thu Jun 5, 3:00 pm)
Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-ch..., Cyrill Gorcunov, (Thu Jun 5, 2:52 pm)
Re: [PATCH 8/8] x86: I/O APIC: Timer through 8259A second-ch..., Maciej W. Rozycki, (Thu Jun 5, 3:47 pm)