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authorRobert Richter <robert.richter@amd.com>2009-07-09 14:38:49 +0200
committerRobert Richter <robert.richter@amd.com>2009-07-20 16:43:20 +0200
commitd0f585dd20010f8479e56b5c6f391ef18e26877e (patch)
treeaf27a5c3ff9d93df2e1ac5cd9cc95c4f1909e708 /arch/x86/oprofile/nmi_int.c
parent48fb4b46712c7d3e8adc79826311abd9ccbf7f1d (diff)
downloadlinux-2.6.38-lt-ux500-d0f585dd20010f8479e56b5c6f391ef18e26877e.tar.gz
x86/oprofile: Moving nmi_cpu_save/restore_mpx_registers() in nmi_int.c
This patch moves some code in nmi_int.c to get a single separate multiplexing code section. Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'arch/x86/oprofile/nmi_int.c')
-rw-r--r--arch/x86/oprofile/nmi_int.c52
1 files changed, 24 insertions, 28 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index b1edfc922e7..f38c5cf0fdb 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -147,6 +147,30 @@ static void nmi_cpu_setup_mux(int cpu, struct op_msrs const * const msrs)
per_cpu(switch_index, cpu) = 0;
}
+static void nmi_cpu_save_mpx_registers(struct op_msrs *msrs)
+{
+ struct op_msr *multiplex = msrs->multiplex;
+ int i;
+
+ for (i = 0; i < model->num_counters; ++i) {
+ int virt = op_x86_phys_to_virt(i);
+ if (multiplex[virt].addr)
+ rdmsrl(multiplex[virt].addr, multiplex[virt].saved);
+ }
+}
+
+static void nmi_cpu_restore_mpx_registers(struct op_msrs *msrs)
+{
+ struct op_msr *multiplex = msrs->multiplex;
+ int i;
+
+ for (i = 0; i < model->num_counters; ++i) {
+ int virt = op_x86_phys_to_virt(i);
+ if (multiplex[virt].addr)
+ wrmsrl(multiplex[virt].addr, multiplex[virt].saved);
+ }
+}
+
#else
inline int op_x86_phys_to_virt(int phys) { return phys; }
@@ -252,34 +276,6 @@ static int nmi_setup(void)
return 0;
}
-#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
-
-static void nmi_cpu_save_mpx_registers(struct op_msrs *msrs)
-{
- struct op_msr *multiplex = msrs->multiplex;
- int i;
-
- for (i = 0; i < model->num_counters; ++i) {
- int virt = op_x86_phys_to_virt(i);
- if (multiplex[virt].addr)
- rdmsrl(multiplex[virt].addr, multiplex[virt].saved);
- }
-}
-
-static void nmi_cpu_restore_mpx_registers(struct op_msrs *msrs)
-{
- struct op_msr *multiplex = msrs->multiplex;
- int i;
-
- for (i = 0; i < model->num_counters; ++i) {
- int virt = op_x86_phys_to_virt(i);
- if (multiplex[virt].addr)
- wrmsrl(multiplex[virt].addr, multiplex[virt].saved);
- }
-}
-
-#endif
-
static void nmi_cpu_restore_registers(struct op_msrs *msrs)
{
struct op_msr *counters = msrs->counters;