From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Subject: [PATCH] linux-kernel-markers-non-optimized-architures-fallback-flags
Date: Thu, 1 Mar 2007 02:18:35 -0500 [thread overview]
Message-ID: <20070301071835.GE19339@Krystal> (raw)
linux-kernel-markers-non-optimized-architures-fallback-flags
- asm-generic/marker.h is now only used as a fallback defining _MARK as
MARK_GENERIC.
- flags support
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
--- a/include/asm-generic/marker.h
+++ b/include/asm-generic/marker.h
@@ -1,8 +1,11 @@
+#ifndef _ASM_GENERIC_MARKER_H
+#define _ASM_GENERIC_MARKER_H
+
/*
* marker.h
*
* Code markup for dynamic and static tracing. Generic header.
*
* This file is released under the GPLv2.
* See the file COPYING for more details.
*
@@ -10,31 +13,18 @@
* "used" attribute to fix a gcc 4.1.x bug.
*/
-#ifdef CONFIG_MARKERS
+#define _MF_DEFAULT (_MF_LOCKDEP | _MF_PRINTK)
-#define GEN_MARK(name, format, args...) \
- do { \
- static marker_probe_func *__mark_call_##name = \
- __mark_empty_function; \
- static char __marker_enable_##name = 0; \
- static const struct __mark_marker_c __mark_c_##name \
- __attribute__((section(".markers.c"))) = \
- { #name, &__mark_call_##name, format, \
- MARKER_GENERIC } ; \
- static const struct __mark_marker __mark_##name \
- __attribute__((section(".markers"))) = \
- { &__mark_c_##name, &__marker_enable_##name } ; \
- asm volatile ( "" : : "i" (&__mark_##name)); \
- __mark_check_format(format, ## args); \
- if (unlikely(__marker_enable_##name)) { \
- preempt_disable(); \
- (*__mark_call_##name)(format, ## args); \
- preempt_enable(); \
- } \
- } while (0)
+#define MARK_OPTIMIZED MARK_GENERIC
+#define _MARK MARK_GENERIC
+#define MARK(format, args...) _MARK(_MF_DEFAULT, format, ## args)
+#define MARK_OPTIMIZED_ENABLE_IMMEDIATE_OFFSET \
+ MARK_GENERIC_ENABLE_IMMEDIATE_OFFSET
+#define MARK_OPTIMIZED_ENABLE_TYPE MARK_GENERIC_ENABLE_TYPE
+/* Dereference enable as lvalue from a pointer to its instruction */
+#define MARK_OPTIMIZED_ENABLE MARK_GENERIC_ENABLE
-#define GEN_MARK_ENABLE_IMMEDIATE_OFFSET 0
-#define GEN_MARK_ENABLE_TYPE char
+#define marker_optimized_set_enable marker_generic_set_enable
-#endif
+#endif /* _ASM_GENERIC_MARKER_H */
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
reply other threads:[~2007-03-01 7:18 UTC|newest]
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