linux-kernel - [PATCH 10/13] android: persistent_ram: add notrace to persistent_ram

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Date:	Wed,  7 Mar 2012 13:58:20 -0800
From:	John Stultz <john.stultz@...aro.org>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	Colin Cross <ccross@...roid.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Android Kernel Team <kernel-team@...roid.com>,
	John Stultz <john.stultz@...aro.org>
Subject: [PATCH 10/13] android: persistent_ram: add notrace to persistent_ram_write

From: Colin Cross <ccross@...roid.com>

Add the notrace attribute to persistent_ram_write and the
non-ecc functions that it calls to allow persistent_ram to
be used for ftracing (only when ecc is disabled).

CC: Greg KH <gregkh@...uxfoundation.org>
CC: Android Kernel Team <kernel-team@...roid.com>
Change-Id: I9c96039d9a6281fc6a62ddb1c7128c26627cc258
Signed-off-by: Colin Cross <ccross@...roid.com>
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 drivers/staging/android/persistent_ram.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/android/persistent_ram.c b/drivers/staging/android/persistent_ram.c
index 3eb2fb4..e08f257 100644
--- a/drivers/staging/android/persistent_ram.c
+++ b/drivers/staging/android/persistent_ram.c
@@ -96,7 +96,7 @@ static inline ssize_t buffer_size_add_clamp(struct persistent_ram_zone *prz,
 	return 0;
 }
 
-static void persistent_ram_encode_rs8(struct persistent_ram_zone *prz,
+static void notrace persistent_ram_encode_rs8(struct persistent_ram_zone *prz,
 	uint8_t *data, size_t len, uint8_t *ecc)
 {
 	int i;
@@ -121,7 +121,7 @@ static int persistent_ram_decode_rs8(struct persistent_ram_zone *prz,
 				NULL, 0, NULL, 0, NULL);
 }
 
-static void persistent_ram_update_ecc(struct persistent_ram_zone *prz,
+static void notrace persistent_ram_update_ecc(struct persistent_ram_zone *prz,
 	unsigned int start, unsigned int count)
 {
 	struct persistent_ram_buffer *buffer = prz->buffer;
@@ -258,7 +258,7 @@ ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz,
 	return ret;
 }
 
-static void persistent_ram_update(struct persistent_ram_zone *prz,
+static void notrace persistent_ram_update(struct persistent_ram_zone *prz,
 	const void *s, unsigned int start, unsigned int count)
 {
 	struct persistent_ram_buffer *buffer = prz->buffer;
@@ -288,7 +288,7 @@ persistent_ram_save_old(struct persistent_ram_zone *prz)
 	memcpy(prz->old_log + size - start, &buffer->data[0], start);
 }
 
-int persistent_ram_write(struct persistent_ram_zone *prz,
+int notrace persistent_ram_write(struct persistent_ram_zone *prz,
 	const void *s, unsigned int count)
 {
 	int rem;
-- 
1.7.3.2.146.gca209

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