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authorPekka Paalanen <pq@iki.fi>2008-05-12 21:20:59 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-24 11:26:07 +0200
commitc6c67c1afcce71335b18ed8769b1165c468bfb03 (patch)
tree3e2bbcaeb67e3c28d9b74c22658914c8b1637b5f /arch/x86/Kconfig.debug
parent736ca61fa81874b3fee205a593251b1869d0bcf1 (diff)
downloadlinux-c6c67c1afcce71335b18ed8769b1165c468bfb03.tar.bz2
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/Kconfig.debug')
-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
help
Mmiotrace traces Memory Mapped I/O access and is meant for
debugging and reverse engineering. It is called from the ioremap
- implementation and works via page faults. A user space program is
- required to collect the MMIO data from debugfs files.
- Tracing is disabled by default and can be enabled from a debugfs
- file.
+ implementation and works via page faults. Tracing is disabled by
+ default and can be enabled run-time.
- See http://nouveau.freedesktop.org/wiki/MmioTrace
+ See Documentation/tracers/mmiotrace.txt.
If you are not helping to develop drivers, say N.
config MMIOTRACE_TEST