linux-kernel - Re: [RFC] perf_events: support for uncore a.k.a. nest units

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: <1271843869.1776.65.camel@laptop>
Date:	Wed, 21 Apr 2010 11:57:49 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	"eranian@...il.com" <eranian@...il.com>,
	"Gary.Mohr@...l.com" <Gary.Mohr@...l.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] perf_events: support for uncore a.k.a. nest units

On Wed, 2010-04-21 at 17:42 +0800, Lin Ming wrote:
> +       /*
> +        * TBD: will move this to pmu register function
> +        * when multiple hw pmu support is added
> +        */
> +       pmu.flag = alloc_percpu(u8);
> +       if (!pmu.flag)
> +               return; 

Why not simply use a field in struct cpu_hw_events?

That's where we track all per-cpu pmu state.

--
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/