oprofile: introduce module_param oprofile.cpu_type

This patch removes module_param oprofile.force_arch_perfmon and
introduces oprofile.cpu_type=archperfmon instead. This new parameter
can be reused for other models and architectures.

Currently only archperfmon is supported.

Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>

1 files changed, 7 insertions, 5 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 9b9566bf3301..6ce5f48859cc 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1650,11 +1650,13 @@ and is between 256 and 4096 characters. It is defined in the file
         oprofile.timer= [HW]
                         Use timer interrupt instead of performance counters
 
-        oprofile.force_arch_perfmon=1   [X86]
-                        Force use of architectural perfmon instead of
-                        the CPU specific event set.
-                        This might be useful if you have older oprofile
-                        userland or if you want common events over Intel CPUs.
+        oprofile.cpu_type=      Force an oprofile cpu type
+                        This might be useful if you have an older oprofile
+                        userland or if you want common events.
+                        Format: { archperfmon }
+                        archperfmon: [X86] Force use of architectural
+                                perfmon on Intel CPUs instead of the
+                                CPU specific event set.
 
         osst=           [HW,SCSI] SCSI Tape Driver
                         Format: <buffer_size>,<write_threshold>