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authorPekka Paalanen <pq@iki.fi>2008-05-12 15:20:59 -0400
committerThomas Gleixner <tglx@linutronix.de>2008-05-24 05:26:07 -0400
commitc6c67c1afcce71335b18ed8769b1165c468bfb03 (patch)
tree3e2bbcaeb67e3c28d9b74c22658914c8b1637b5f /arch/x86
parent736ca61fa81874b3fee205a593251b1869d0bcf1 (diff)
mmiotrace: add user documentation
Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/Kconfig.debug8
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 1d6de0d67f99..b28ace2be1a3 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -180,12 +180,10 @@ config MMIOTRACE
180 help 180 help
181 Mmiotrace traces Memory Mapped I/O access and is meant for 181 Mmiotrace traces Memory Mapped I/O access and is meant for
182 debugging and reverse engineering. It is called from the ioremap 182 debugging and reverse engineering. It is called from the ioremap
183 implementation and works via page faults. A user space program is 183 implementation and works via page faults. Tracing is disabled by
184 required to collect the MMIO data from debugfs files. 184 default and can be enabled run-time.
185 Tracing is disabled by default and can be enabled from a debugfs
186 file.
187 185
188 See http://nouveau.freedesktop.org/wiki/MmioTrace 186 See Documentation/tracers/mmiotrace.txt.
189 If you are not helping to develop drivers, say N. 187 If you are not helping to develop drivers, say N.
190 188
191config MMIOTRACE_TEST 189config MMIOTRACE_TEST