linux-kernel - Re: [PATCH linux-next v4 2/2] ixgbe: Example usage of the new IRQ affinity

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LFD.2.00.1004302346030.2951@localhost.localdomain>
Date:	Fri, 30 Apr 2010 23:47:59 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
cc:	davem@...emloft.net, arjan@...ux.jf.intel.com,
	bhutchings@...arflare.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH linux-next v4 2/2] ixgbe: Example usage of the new IRQ
 affinity_hint callback

On Fri, 30 Apr 2010, Peter P Waskiewicz Jr wrote:
> +	for (i = 0; i < num_q_vectors; i++) {
> +		struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
> +		/* release the CPU mask memory */
> +		free_cpumask_var(q_vector->affinity_mask);
> +		/* clear the affinity_mask in the IRQ descriptor */
> +		irq_set_affinity_hint(adapter->msix_entries[i].vector, NULL);

Freeing the mask _AFTER_ clearing the hint might be a worthwhile
exercise :)

Thanks,

	tglx
--
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/