mirror of https://gitee.com/openkylin/linux.git
x86/oprofile: Moving nmi_setup_cpu_mux() 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>
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@ -130,11 +130,30 @@ static int nmi_setup_mux(void)
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return 1;
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}
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static void nmi_cpu_setup_mux(int cpu, struct op_msrs const * const msrs)
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{
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int i;
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struct op_msr *multiplex = msrs->multiplex;
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for (i = 0; i < model->num_virt_counters; ++i) {
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if (counter_config[i].enabled) {
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multiplex[i].saved = -(u64)counter_config[i].count;
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} else {
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multiplex[i].addr = 0;
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multiplex[i].saved = 0;
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}
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}
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per_cpu(switch_index, cpu) = 0;
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}
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#else
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inline int op_x86_phys_to_virt(int phys) { return phys; }
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static inline void nmi_shutdown_mux(void) { }
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static inline int nmi_setup_mux(void) { return 1; }
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static inline void
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nmi_cpu_setup_mux(int cpu, struct op_msrs const * const msrs) { }
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#endif
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@ -169,32 +188,6 @@ static int allocate_msrs(void)
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return 1;
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}
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#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
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static void nmi_cpu_setup_mux(int cpu, struct op_msrs const * const msrs)
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{
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int i;
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struct op_msr *multiplex = msrs->multiplex;
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for (i = 0; i < model->num_virt_counters; ++i) {
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if (counter_config[i].enabled) {
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multiplex[i].saved = -(u64)counter_config[i].count;
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} else {
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multiplex[i].addr = 0;
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multiplex[i].saved = 0;
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}
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}
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per_cpu(switch_index, cpu) = 0;
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}
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#else
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static inline void
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nmi_cpu_setup_mux(int cpu, struct op_msrs const * const msrs) { }
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#endif
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static void nmi_cpu_setup(void *dummy)
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{
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int cpu = smp_processor_id();
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