linux-kernel - Re: [patch 26/26] x64, x2apic/intr-remap: introduce CONFIG_INTR

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: <20080710233733.GA21085@ywang-dev>
Date:	Thu, 10 Jul 2008 19:37:33 -0400
From:	Yong Wang <yong.y.wang@...ux.intel.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Suresh Siddha <suresh.b.siddha@...el.com>, mingo@...e.hu,
	hpa@...or.com, tglx@...utronix.de, akpm@...ux-foundation.org,
	arjan@...ux.intel.com, andi@...stfloor.org,
	jbarnes@...tuousgeek.org, steiner@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 26/26] x64, x2apic/intr-remap: introduce
	CONFIG_INTR_REMAP

> Is it possible to run in x2apic mode without running in interrupt remapping mode?
> Just send the irqs directly to the cpu?  It feels like it should be if an iommu
> doesn't get in the way.
> 

Yes, it is possible to run in x2apic mode without intr-remap. However, the extended
cpu addressability will not be fully utilized that way.
--
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/