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yaml
---
r: 158235
b: refs/heads/master
c: d0f585d
h: refs/heads/master
i:
  158233: 86ea220
  158231: 4a74463
v: v3
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Robert Richter committed Jul 20, 2009
1 parent f237f81 commit b680674
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Showing 2 changed files with 25 additions and 29 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 48fb4b46712c7d3e8adc79826311abd9ccbf7f1d
refs/heads/master: d0f585dd20010f8479e56b5c6f391ef18e26877e
52 changes: 24 additions & 28 deletions trunk/arch/x86/oprofile/nmi_int.c
Original file line number Diff line number Diff line change
Expand Up @@ -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; }
Expand Down Expand Up @@ -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;
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