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Date: Thu, 24 Jul 2008 13:58:37 +0200 From: Martin Wilck <martin.wilck@...itsu-siemens.com> To: Cyrill Gorcunov <gorcunov@...il.com> CC: Thomas Gleixner <tglx@...utronix.de>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "H. Peter Anvin" <hpa@...or.com>, "Wichert, Gerhard" <Gerhard.Wichert@...itsu-siemens.com>, "Maciej W. Rozycki" <macro@...ux-mips.org> Subject: Re: [PATCH] x86 (64): make calibrate_APIC_clock() smp-safe Cyrill Gorcunov wrote: > Hi, but what if SMI flood happens? We could stuck here forever, don't we? > > - Cyrill - Yes, if the SMI flood never ends. But you wouldn't want to work on such a system anyway (with the current kernel code, your APIC timer would most probably be miscalibrated, which can have the weirdest effects). Anyway, we can add a maximum iteration count to the patch so that there is no risk of getting stuck. Martin -- Martin Wilck PRIMERGY System Software Engineer FSC IP ESP DEV 6 Fujitsu Siemens Computers GmbH Heinz-Nixdorf-Ring 1 33106 Paderborn Germany Tel: ++49 5251 8 15113 Fax: ++49 5251 8 20209 Email: mailto:martin.wilck@...itsu-siemens.com Internet: http://www.fujitsu-siemens.com Company Details: http://www.fujitsu-siemens.com/imprint.html -- 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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