linux-kernel - [PATCH 0/2] x86: Reduce pressure on stack from cpumask usage -v2

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-next>] [day] [month] [year] [list]

Date:	Wed, 21 Nov 2007 02:02:01 -0800
From:	travis@....com
To:	Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <ak@...e.de>,
	Christoph Lameter <clameter@....com>
Cc:	mingo@...e.hu, apw@...dowen.org, Jack Steiner <steiner@....com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] x86: Reduce pressure on stack from cpumask usage -v2


v2:
    - fix some compile errors when NR_CPUS > default for ia386 (128 & 4096)
    - remove unneccessary includes

Convert cpumask_of_cpu to use a static percpu data array and
set_cpus_allowed to pass the cpumask_t arg as a pointer.

Conditioned on NR_CPUS > BITS_PER_LONG.

Compiled and tested for i386 and x86_64.  I'd appreciate
feedback on other architectures.

(Note: there are still compile/test errors when NR_CPUS > 256
due to cpu id being 8 bits among other things.)

-- 
-
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/