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| author | Paul Burton <paul.burton@imgtec.com> | 2015-09-22 10:10:56 -0700 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-10-26 09:49:42 +0100 |
| commit | d478b088a2f74fc8f34af7ceed86fa7640ca8610 (patch) | |
| tree | 572d51384469da8a3bda7952f31e17fc5abfa6e9 /arch/mips/Kconfig.debug | |
| parent | 75dcfc1d678d76a82288c043bfd5bfc0fbd43b49 (diff) | |
| download | linux-d478b088a2f74fc8f34af7ceed86fa7640ca8610.tar.gz linux-d478b088a2f74fc8f34af7ceed86fa7640ca8610.tar.bz2 linux-d478b088a2f74fc8f34af7ceed86fa7640ca8610.zip | |
MIPS: Allow L2 prefetch to be configured via debugfs
When debugging or examining the performance of a system it can be useful
to examine the effect of L2 prefetching. Provide an optional debugfs
entry to allow a user to enable or disable L2 prefetching.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11182/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/Kconfig.debug')
| -rw-r--r-- | arch/mips/Kconfig.debug | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 13d796547ebd..b43e288ec567 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -149,4 +149,14 @@ endchoice endif # CPU_MIPSR6 +config SCACHE_DEBUGFS + bool "L2 cache debugfs entries" + depends on DEBUG_FS + help + Enable this to allow parts of the L2 cache configuration, such as + whether or not prefetching is enabled, to be exposed to userland + via debugfs. + + If unsure, say N. + endmenu |