From: Will Deacon <will.deacon@arm.com> To: linux-arm-kernel@lists.infradead.org Cc: marc.zyngier@arm.com, mark.rutland@arm.com, kim.phillips@arm.com, tglx@linutronix.de, peterz@infradead.org, 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, Will Deacon <will.deacon@arm.com> Subject: [PATCH v4 2/5] perf/core: Export AUX buffer helpers to modules Date: Mon, 5 Jun 2017 16:22:54 +0100 [thread overview] Message-ID: <1496676177-29356-3-git-send-email-will.deacon@arm.com> (raw) In-Reply-To: <1496676177-29356-1-git-send-email-will.deacon@arm.com> Perf PMU drivers using AUX buffers cannot be built as modules unless the AUX helpers are exported. This patch exports perf_aux_output_{begin,end,skip} and perf_get_aux to modules. Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Will Deacon <will.deacon@arm.com> --- kernel/events/ring_buffer.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index 2831480c63a2..cd5e902a27ac 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -411,6 +411,7 @@ void *perf_aux_output_begin(struct perf_output_handle *handle, return NULL; } +EXPORT_SYMBOL_GPL(perf_aux_output_begin); /* * Commit the data written by hardware into the ring buffer by adjusting @@ -470,6 +471,7 @@ void perf_aux_output_end(struct perf_output_handle *handle, unsigned long size) rb_free_aux(rb); ring_buffer_put(rb); } +EXPORT_SYMBOL_GPL(perf_aux_output_end); /* * Skip over a given number of bytes in the AUX buffer, due to, for example, @@ -498,6 +500,7 @@ int perf_aux_output_skip(struct perf_output_handle *handle, unsigned long size) return 0; } +EXPORT_SYMBOL_GPL(perf_aux_output_skip); void *perf_get_aux(struct perf_output_handle *handle) { @@ -507,6 +510,7 @@ void *perf_get_aux(struct perf_output_handle *handle) return handle->rb->aux_priv; } +EXPORT_SYMBOL_GPL(perf_get_aux); #define PERF_AUX_GFP (GFP_KERNEL | __GFP_ZERO | __GFP_NOWARN | __GFP_NORETRY) -- 2.1.4
WARNING: multiple messages have this Message-ID (diff)
From: will.deacon@arm.com (Will Deacon) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 2/5] perf/core: Export AUX buffer helpers to modules Date: Mon, 5 Jun 2017 16:22:54 +0100 [thread overview] Message-ID: <1496676177-29356-3-git-send-email-will.deacon@arm.com> (raw) In-Reply-To: <1496676177-29356-1-git-send-email-will.deacon@arm.com> Perf PMU drivers using AUX buffers cannot be built as modules unless the AUX helpers are exported. This patch exports perf_aux_output_{begin,end,skip} and perf_get_aux to modules. Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Will Deacon <will.deacon@arm.com> --- kernel/events/ring_buffer.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index 2831480c63a2..cd5e902a27ac 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -411,6 +411,7 @@ void *perf_aux_output_begin(struct perf_output_handle *handle, return NULL; } +EXPORT_SYMBOL_GPL(perf_aux_output_begin); /* * Commit the data written by hardware into the ring buffer by adjusting @@ -470,6 +471,7 @@ void perf_aux_output_end(struct perf_output_handle *handle, unsigned long size) rb_free_aux(rb); ring_buffer_put(rb); } +EXPORT_SYMBOL_GPL(perf_aux_output_end); /* * Skip over a given number of bytes in the AUX buffer, due to, for example, @@ -498,6 +500,7 @@ int perf_aux_output_skip(struct perf_output_handle *handle, unsigned long size) return 0; } +EXPORT_SYMBOL_GPL(perf_aux_output_skip); void *perf_get_aux(struct perf_output_handle *handle) { @@ -507,6 +510,7 @@ void *perf_get_aux(struct perf_output_handle *handle) return handle->rb->aux_priv; } +EXPORT_SYMBOL_GPL(perf_get_aux); #define PERF_AUX_GFP (GFP_KERNEL | __GFP_ZERO | __GFP_NOWARN | __GFP_NORETRY) -- 2.1.4
next prev parent reply other threads:[~2017-06-05 15:23 UTC|newest] Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-06-05 15:22 [PATCH v4 0/5] Add support for the ARMv8.2 Statistical Profiling Extension Will Deacon 2017-06-05 15:22 ` Will Deacon 2017-06-05 15:22 ` [PATCH v4 1/5] genirq: export irq_get_percpu_devid_partition to modules Will Deacon 2017-06-05 15:22 ` Will Deacon 2017-06-05 15:22 ` Will Deacon [this message] 2017-06-05 15:22 ` [PATCH v4 2/5] perf/core: Export AUX buffer helpers " Will Deacon 2017-06-05 15:22 ` [PATCH v4 3/5] perf/core: Add PERF_AUX_FLAG_COLLISION to report colliding samples Will Deacon 2017-06-05 15:22 ` Will Deacon 2017-06-05 15:22 ` [PATCH v4 4/5] drivers/perf: Add support for ARMv8.2 Statistical Profiling Extension Will Deacon 2017-06-05 15:22 ` Will Deacon 2017-06-05 15:55 ` Kim Phillips 2017-06-05 15:55 ` Kim Phillips 2017-06-05 16:11 ` Will Deacon 2017-06-05 16:11 ` Will Deacon 2017-06-15 14:57 ` Mark Rutland 2017-06-15 14:57 ` Mark Rutland 2017-06-21 15:39 ` Will Deacon 2017-06-21 15:39 ` Will Deacon 2017-06-27 17:12 ` Mark Rutland 2017-06-27 17:12 ` Mark Rutland 2017-07-03 17:23 ` Mark Rutland 2017-07-03 17:23 ` Mark Rutland 2017-06-05 15:22 ` [PATCH v4 5/5] dt-bindings: Document devicetree binding for ARM SPE Will Deacon 2017-06-05 15:22 ` Will Deacon 2017-06-12 11:08 ` [PATCH v4 0/5] Add support for the ARMv8.2 Statistical Profiling Extension Mark Rutland 2017-06-12 11:08 ` Mark Rutland 2017-06-12 16:20 ` Kim Phillips 2017-06-12 16:20 ` Kim Phillips 2017-06-15 15:57 ` Kim Phillips 2017-06-15 15:57 ` Kim Phillips 2017-06-21 15:31 ` Will Deacon 2017-06-21 15:31 ` Will Deacon 2017-06-22 15:56 ` Kim Phillips 2017-06-22 15:56 ` Kim Phillips 2017-06-22 18:36 ` Will Deacon 2017-06-22 18:36 ` Will Deacon 2017-06-27 21:07 ` Kim Phillips 2017-06-27 21:07 ` Kim Phillips 2017-06-28 11:26 ` Mark Rutland 2017-06-28 11:26 ` Mark Rutland 2017-06-28 11:32 ` Mark Rutland 2017-06-28 11:32 ` Mark Rutland 2017-06-29 1:16 ` Kim Phillips 2017-06-29 1:16 ` Kim Phillips 2017-06-29 1:43 ` [PATCH] perf tools: Add ARM Statistical Profiling Extensions (SPE) support Kim Phillips 2017-06-29 1:43 ` Kim Phillips 2017-06-30 14:02 ` Mark Rutland 2017-06-30 14:02 ` Mark Rutland 2017-07-18 0:48 ` Kim Phillips 2017-07-18 0:48 ` Kim Phillips 2017-08-18 3:11 ` [PATCH v2] " Kim Phillips 2017-08-18 3:11 ` Kim Phillips 2017-08-18 17:36 ` Mark Rutland 2017-08-18 17:36 ` Mark Rutland 2017-08-21 23:18 ` Kim Phillips 2017-08-21 23:18 ` Kim Phillips 2017-08-18 16:59 ` [PATCH] " Mark Rutland 2017-08-18 16:59 ` Mark Rutland 2017-08-18 22:22 ` Kim Phillips 2017-08-18 22:22 ` Kim Phillips 2017-06-29 0:59 ` [PATCH v4 0/5] Add support for the ARMv8.2 Statistical Profiling Extension Kim Phillips 2017-06-29 0:59 ` Kim Phillips 2017-06-29 11:11 ` Mark Rutland 2017-06-29 11:11 ` Mark Rutland 2017-07-06 17:08 ` Kim Phillips 2017-07-06 17:08 ` Kim Phillips
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