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| author | Pekka Paalanen <pq@iki.fi> | 2008-05-12 21:20:59 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-24 11:26:07 +0200 |
| commit | c6c67c1afcce71335b18ed8769b1165c468bfb03 (patch) | |
| tree | 3e2bbcaeb67e3c28d9b74c22658914c8b1637b5f /arch/x86/Kconfig.debug | |
| parent | 736ca61fa81874b3fee205a593251b1869d0bcf1 (diff) | |
| download | linux-c6c67c1afcce71335b18ed8769b1165c468bfb03.tar.gz linux-c6c67c1afcce71335b18ed8769b1165c468bfb03.tar.xz | |
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.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 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 |