linux-kernel - Re: [PATCH 2/2] x2apic, cluster: use all the members of one cluster specified in the smp_affinity mask for the interrupt desintation

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]

Date:	Tue, 22 May 2012 13:03:55 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Suresh Siddha <suresh.b.siddha@...el.com>
Cc:	agordeev@...hat.com, linux-kernel@...r.kernel.org, x86@...nel.org,
	gorcunov@...nvz.org
Subject: Re: [PATCH 2/2] x2apic, cluster: use all the members of one cluster
 specified in the smp_affinity mask for the interrupt desintation

On Mon, May 21, 2012 at 4:58 PM, Suresh Siddha
<suresh.b.siddha@...el.com> wrote:
> We are now grouping all the cpu's in a cluster to one vector domain. So that
> will limit the total number of interrupt sources handled by Linux. Previously
> we support "cpu-count * available-vectors-per-cpu" interrupt sources but this
> will now reduce to "cpu-count/16 * available-vectors-per-cpu".

maybe could add some boot parameter to control cpu number in same
domain that is used instead of 16.

Thanks

Yinghai
--
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/