Re: 6.0 Witness squawk

From: Sam (sah_at_softcardsystems.com)
Date: 10/25/04

  • Next message: Poul-Henning Kamp: "Re: FreeBSD 5.3b7and poor ata performance" 
    Date: Mon, 25 Oct 2004 12:22:21 -0500 (EST)
To: Dag-Erling Smørgrav <des@des.no>

    > Sam <sah@softcardsystems.com> writes:
    >> There are three entry points into the driver. 1) The disk
    >> layer 2) the netisr routine 3) the rexmit timer.
    >
    > AFAIK, if the code that calls malloc() can be reached from 2) or 3),
    > you're not allowed to use M_WAITOK.

    Hm. If that's true then I've either got to petition you
    fellas to change disk_alloc(), disk_create(), and disk_destroy()
    to use M_NOWAIT or schedule a callback where these calls
    can be handled properly.

    Thoughts about either approach?

    Sam
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  • Next message: Poul-Henning Kamp: "Re: FreeBSD 5.3b7and poor ata performance"

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