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Commit 1a245c45 authored by Robert Richter's avatar Robert Richter
Browse files

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



The patch removes some local variables in these functions.

Signed-off-by: default avatarRobert Richter <robert.richter@amd.com>
parent 95e74e62

arch/x86/oprofile/nmi_int.c

+4 −8
Original line number Diff line number Diff line
@@ -71,18 +71,16 @@ static int profile_exceptions_notify(struct notifier_block *self, 


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 *controls = msrs->controls;

	unsigned int i;



	for (i = 0; i < nr_ctrs; ++i) {

	for (i = 0; i < model->num_counters; ++i) {

		if (counters[i].addr)

			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)

			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)

{

	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 *controls = msrs->controls;

	unsigned int i;



	for (i = 0; i < nr_ctrls; ++i) {

	for (i = 0; i < model->num_controls; ++i) {

		if (controls[i].addr)

			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)

			wrmsrl(counters[i].addr, counters[i].saved);

	}