diff options
author | Pekka Paalanen <pq@iki.fi> | 2008-05-12 15:20:59 -0400 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-24 05:26:07 -0400 |
commit | c6c67c1afcce71335b18ed8769b1165c468bfb03 (patch) | |
tree | 3e2bbcaeb67e3c28d9b74c22658914c8b1637b5f /arch/x86 | |
parent | 736ca61fa81874b3fee205a593251b1869d0bcf1 (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.debug | 8 |
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 | ||
191 | config MMIOTRACE_TEST | 189 | config MMIOTRACE_TEST |