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x86/oprofile: remove some local variables in MSR save/restore functions

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The patch removes some local variables in these functions.

Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Robert Richter
2009-06-05 15:54:24 +02:00
parent 95e74e62c1
commit 1a245c4534
1 changed files with 4 additions and 8 deletions
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12
arch/x86/oprofile/nmi_int.c
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@@ -71,18 +71,16 @@ static int profile_exceptions_notify(struct notifier_block *self,
static void nmi_cpu_save_registers(struct op_msrs *msrs) static void nmi_cpu_save_registers(struct op_msrs *msrs)
{ {
unsigned int const nr_ctrs = model->num_counters;
unsigned int const nr_ctrls = model->num_controls;
struct op_msr *counters = msrs->counters; struct op_msr *counters = msrs->counters;
struct op_msr *controls = msrs->controls; struct op_msr *controls = msrs->controls;
unsigned int i; unsigned int i;
for (i = 0; i < nr_ctrs; ++i) { for (i = 0; i < model->num_counters; ++i) {
if (counters[i].addr) if (counters[i].addr)
rdmsrl(counters[i].addr, counters[i].saved); rdmsrl(counters[i].addr, counters[i].saved);
} }
for (i = 0; i < nr_ctrls; ++i) { for (i = 0; i < model->num_controls; ++i) {
if (controls[i].addr) if (controls[i].addr)
rdmsrl(controls[i].addr, controls[i].saved); rdmsrl(controls[i].addr, controls[i].saved);
} }
@@ -191,18 +189,16 @@ static int nmi_setup(void)
static void nmi_restore_registers(struct op_msrs *msrs) static void nmi_restore_registers(struct op_msrs *msrs)
{ {
unsigned int const nr_ctrs = model->num_counters;
unsigned int const nr_ctrls = model->num_controls;
struct op_msr *counters = msrs->counters; struct op_msr *counters = msrs->counters;
struct op_msr *controls = msrs->controls; struct op_msr *controls = msrs->controls;
unsigned int i; unsigned int i;
for (i = 0; i < nr_ctrls; ++i) { for (i = 0; i < model->num_controls; ++i) {
if (controls[i].addr) if (controls[i].addr)
wrmsrl(controls[i].addr, controls[i].saved); wrmsrl(controls[i].addr, controls[i].saved);
} }
for (i = 0; i < nr_ctrs; ++i) { for (i = 0; i < model->num_counters; ++i) {
if (counters[i].addr) if (counters[i].addr)
wrmsrl(counters[i].addr, counters[i].saved); wrmsrl(counters[i].addr, counters[i].saved);
} }