From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S935096AbdADKPT (ORCPT <rfc822;w@1wt.eu>);
        Wed, 4 Jan 2017 05:15:19 -0500
Received: from merlin.infradead.org ([205.233.59.134]:38186 "EHLO
        merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1753331AbdADKPR (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 4 Jan 2017 05:15:17 -0500
Date: Wed, 4 Jan 2017 11:15:07 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, marc.zyngier@arm.com,
        mark.rutland@arm.com, kim.phillips@arm.com, alex.bennee@linaro.org,
        christoffer.dall@linaro.org, tglx@linutronix.de,
        alexander.shishkin@linux.intel.com, robh@kernel.org,
        suzuki.poulose@arm.com, pawel.moll@arm.com, mathieu.poirier@linaro.org,
        mingo@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 06/10] perf/core: Export AUX buffer helpers to modules
Message-ID: <20170104101507.GG25813@worktop.programming.kicks-ass.net>
References: <1483467027-14547-1-git-send-email-will.deacon@arm.com>
 <1483467027-14547-7-git-send-email-will.deacon@arm.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1483467027-14547-7-git-send-email-will.deacon@arm.com>
User-Agent: Mutt/1.5.22.1 (2013-10-16)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Tue, Jan 03, 2017 at 06:10:23PM +0000, Will Deacon wrote:
> +EXPORT_SYMBOL(perf_aux_output_begin);
> +EXPORT_SYMBOL(perf_aux_output_end);
> +EXPORT_SYMBOL(perf_aux_output_skip);
> +EXPORT_SYMBOL(perf_get_aux);


$ git grep EXPORT kernel/events/
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_event_disable);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_event_enable);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_event_addr_filters_sync);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_event_refresh);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_event_release_kernel);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_event_read_value);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_register_guest_info_callbacks);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_unregister_guest_info_callbacks);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_swevent_get_recursion_context);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_trace_run_bpf_submit);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_tp_event);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_pmu_register);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_pmu_unregister);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_event_create_kernel_counter);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_pmu_migrate_context);
kernel/events/core.c:EXPORT_SYMBOL_GPL(perf_event_sysfs_show);
kernel/events/hw_breakpoint.c:EXPORT_SYMBOL_GPL(register_user_hw_breakpoint);
kernel/events/hw_breakpoint.c:EXPORT_SYMBOL_GPL(modify_user_hw_breakpoint);
kernel/events/hw_breakpoint.c:EXPORT_SYMBOL_GPL(unregister_hw_breakpoint);
kernel/events/hw_breakpoint.c:EXPORT_SYMBOL_GPL(register_wide_hw_breakpoint);
kernel/events/hw_breakpoint.c:EXPORT_SYMBOL_GPL(unregister_wide_hw_breakpoint);
kernel/events/uprobes.c:EXPORT_SYMBOL_GPL(uprobe_register);
kernel/events/uprobes.c:EXPORT_SYMBOL_GPL(uprobe_unregister);

I see a distinct difference here... :-)