linux-kernel - Re: [PATCH] perf lock: Implement basic sorting function of perf lock

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:	Mon, 28 Dec 2009 11:17:17 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Paul Mackerras <paulus@...ba.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH] perf lock: Implement basic sorting function of perf
 lock

On Sun, 2009-12-20 at 11:56 +0900, Hitoshi Mitake wrote:
> +/* based on kernel/lockdep.c */
> +#define MAX_LOCKDEP_KEYS_BITS  13
> +#define LOCKHASH_BITS          (MAX_LOCKDEP_KEYS_BITS - 1)
> +#define LOCKHASH_SIZE          (1UL << LOCKHASH_BITS)

Since you're hashing something fundamentally different than lockdep does
I don't think it makes sense to carry either the name or the size along.

--
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/