From: Andi Kleen <andi@firstfloor.org>
To: Vince Weaver <vince@deater.net>
Cc: "Yan, Zheng" <zheng.z.yan@intel.com>,
linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl,
mingo@kernel.org, acme@infradead.org, eranian@google.com,
andi@firstfloor.org
Subject: Re: [PATCH 4/4] perf/x86/uncore: modularize Intel uncore driver
Date: Thu, 20 Mar 2014 16:50:35 +0100 [thread overview]
Message-ID: <20140320155035.GJ22728@two.firstfloor.org> (raw)
In-Reply-To: <alpine.DEB.2.02.1403201059250.8477@pianoman.cluster.toy>
>
> I'm not necessarily against the idea, it's just it's tricky enough as it
> is trying to help people with uncore pmu issues and now I will have to add
> "make sure the relevant kernel module is loaded" to the list of things
> that could be going wrong.
In theory the module could be always auto loaded (by adding a
exported pci_device_id to the driver). However for 99% of users it would
be wasted memory, as they never monitor anything.
One way to handle it would be just to add a request_module with
appropiate aliases to perf.
-Andi
next prev parent reply other threads:[~2014-03-20 15:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-18 8:56 [PATCH 1/4] perf: allow building PMU driver as module Yan, Zheng
2014-03-18 8:56 ` [PATCH 2/4] hrtimer: export __hrtimer_start_range_ns Yan, Zheng
2014-03-19 8:47 ` Peter Zijlstra
2014-03-19 9:53 ` Thomas Gleixner
2014-03-19 9:58 ` Peter Zijlstra
2014-04-18 13:08 ` [tip:perf/core] hrtimer: Export __hrtimer_start_range_ns() tip-bot for Yan, Zheng
2014-03-18 8:56 ` [PATCH 3/4] perf/x86: export perf_assign_events Yan, Zheng
2014-04-18 13:08 ` [tip:perf/core] perf/x86: Export perf_assign_events() tip-bot for Yan, Zheng
2014-03-18 8:56 ` [PATCH 4/4] perf/x86/uncore: modularize Intel uncore driver Yan, Zheng
2014-03-19 8:49 ` Peter Zijlstra
2014-03-19 11:32 ` Ingo Molnar
2014-03-19 11:42 ` Peter Zijlstra
2014-03-19 11:53 ` Ingo Molnar
2014-03-19 12:44 ` Peter Zijlstra
2014-03-19 12:55 ` Ingo Molnar
2014-03-20 15:01 ` Vince Weaver
2014-03-20 15:50 ` Andi Kleen [this message]
2014-04-18 13:08 ` [tip:perf/core] perf: Allow building PMU drivers as modules tip-bot for Yan, Zheng
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