Re: 2.6.3 - Badness in pci_find_subsys at drivers/pci/search.c:167

From: Greg KH (greg_at_kroah.com)
Date: 02/24/04

  • Next message: Rik van Riel: "Re: [PATCH] vm-fix-all_zones_ok (was Re: 2.6.3-mm3)" 
    Date:	Tue, 24 Feb 2004 14:30:43 -0800
To: marcel cotta <mc123@mail.ru>

    On Tue, Feb 24, 2004 at 05:04:55PM +0100, marcel cotta wrote:
    > i came across this while playing with hdparm
    >
    > Call Trace:
    > [<c0264128>] pci_find_subsys+0xe8/0xf0
    > [<c026415f>] pci_find_device+0x2f/0x40
    > [<c02e5d89>] ide_system_bus_speed+0x69/0x90
    > [<c02e528e>] ali15x3_tune_drive+0x1e/0x250

    Ugh, this is due to calling system_bus_clock() from within an interrupt.
    Is there any good reason to do this? Can't we just cache the bus speed
    in the local device structure if we really have to do this from within
    an interrupt?

    thanks,

    greg k-h
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  • Next message: Rik van Riel: "Re: [PATCH] vm-fix-all_zones_ok (was Re: 2.6.3-mm3)"

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