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Date: Tue, 30 Dec 2008 16:12:55 -0800 (PST) From: Roland McGrath <roland@...hat.com> To: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com> Cc: oleg@...hat.com, ebiederm@...ssion.com, bastian@...di.eu.org, daniel@...ac.com, xemul@...nvz.org, containers@...ts.osdl.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 3/6][v5] Define siginfo_from_ancestor_ns() Drop the second hunk of the patch (stray whitespace change). The treatment of SI_ASYNCIO is wrong, as I described in an earlier posting. (It is indeed a user-generated signal.) You'll need to avoid using this function in the path from the USB driver case (interrupt level), since you can't use SI_ASYNCIO to avoid unsafe use of pid_ns data structures. If you do as I suggested in that posting, this is no problem since you just never do this check in the kill_pid_info_as_uid (perhaps renamed) case. Thanks, Roland -- 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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