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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-29 22:36:48 +07:00
debug_core: move all watch dog syncs to a single function
Move the various clock and watch dog syncs to a single function in advance of adding another sync for the rcu stall detector. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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@ -470,6 +470,12 @@ static void dbg_cpu_switch(int cpu, int next_cpu)
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kgdb_info[next_cpu].exception_state |= DCPU_NEXT_MASTER;
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kgdb_info[next_cpu].exception_state |= DCPU_NEXT_MASTER;
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}
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}
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static void dbg_touch_watchdogs(void)
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{
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touch_softlockup_watchdog_sync();
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clocksource_touch_watchdog();
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}
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static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
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static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
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{
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{
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unsigned long flags;
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unsigned long flags;
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@ -523,8 +529,7 @@ static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
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if (trace_on)
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if (trace_on)
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tracing_on();
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tracing_on();
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atomic_dec(&cpu_in_kgdb[cpu]);
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atomic_dec(&cpu_in_kgdb[cpu]);
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touch_softlockup_watchdog_sync();
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dbg_touch_watchdogs();
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clocksource_touch_watchdog();
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local_irq_restore(flags);
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local_irq_restore(flags);
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return 0;
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return 0;
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}
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}
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@ -541,8 +546,7 @@ static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
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(kgdb_info[cpu].task &&
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(kgdb_info[cpu].task &&
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kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {
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kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {
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atomic_set(&kgdb_active, -1);
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atomic_set(&kgdb_active, -1);
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touch_softlockup_watchdog_sync();
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dbg_touch_watchdogs();
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clocksource_touch_watchdog();
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local_irq_restore(flags);
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local_irq_restore(flags);
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goto acquirelock;
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goto acquirelock;
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@ -659,8 +663,7 @@ static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
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tracing_on();
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tracing_on();
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/* Free kgdb_active */
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/* Free kgdb_active */
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atomic_set(&kgdb_active, -1);
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atomic_set(&kgdb_active, -1);
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touch_softlockup_watchdog_sync();
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dbg_touch_watchdogs();
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clocksource_touch_watchdog();
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local_irq_restore(flags);
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local_irq_restore(flags);
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return kgdb_info[cpu].ret_state;
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return kgdb_info[cpu].ret_state;
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