mirror of https://gitee.com/openkylin/linux.git
x86/oprofile: remove some local variables in MSR save/restore functions
The patch removes some local variables in these functions. Signed-off-by: Robert Richter <robert.richter@amd.com>
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@ -71,18 +71,16 @@ static int profile_exceptions_notify(struct notifier_block *self,
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static void nmi_cpu_save_registers(struct op_msrs *msrs)
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{
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unsigned int const nr_ctrs = model->num_counters;
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unsigned int const nr_ctrls = model->num_controls;
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struct op_msr *counters = msrs->counters;
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struct op_msr *controls = msrs->controls;
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unsigned int i;
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for (i = 0; i < nr_ctrs; ++i) {
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for (i = 0; i < model->num_counters; ++i) {
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if (counters[i].addr)
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rdmsrl(counters[i].addr, counters[i].saved);
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}
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for (i = 0; i < nr_ctrls; ++i) {
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for (i = 0; i < model->num_controls; ++i) {
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if (controls[i].addr)
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rdmsrl(controls[i].addr, controls[i].saved);
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}
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@ -191,18 +189,16 @@ static int nmi_setup(void)
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static void nmi_restore_registers(struct op_msrs *msrs)
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{
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unsigned int const nr_ctrs = model->num_counters;
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unsigned int const nr_ctrls = model->num_controls;
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struct op_msr *counters = msrs->counters;
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struct op_msr *controls = msrs->controls;
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unsigned int i;
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for (i = 0; i < nr_ctrls; ++i) {
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for (i = 0; i < model->num_controls; ++i) {
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if (controls[i].addr)
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wrmsrl(controls[i].addr, controls[i].saved);
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}
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for (i = 0; i < nr_ctrs; ++i) {
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for (i = 0; i < model->num_counters; ++i) {
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if (counters[i].addr)
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wrmsrl(counters[i].addr, counters[i].saved);
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}
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