add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/kernel/debug/debug_core.c
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@@ -111,8 +111,8 @@
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  */
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 atomic_t			kgdb_active = ATOMIC_INIT(-1);
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 EXPORT_SYMBOL_GPL(kgdb_active);
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-static DEFINE_RAW_SPINLOCK(dbg_master_lock);
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-static DEFINE_RAW_SPINLOCK(dbg_slave_lock);
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+static DEFINE_HARD_SPINLOCK(dbg_master_lock);
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+static DEFINE_HARD_SPINLOCK(dbg_slave_lock);
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 /*
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  * We use NR_CPUs not PERCPU, in case kgdb is used to debug early
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@@ -612,7 +612,7 @@
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 	 * Interrupts will be restored by the 'trap return' code, except when
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 	 * single stepping.
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 	 */
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-	local_irq_save(flags);
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+	flags = hard_local_irq_save();
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 	cpu = ks->cpu;
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 	kgdb_info[cpu].debuggerinfo = regs;
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@@ -666,7 +666,7 @@
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 			smp_mb__before_atomic();
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 			atomic_dec(&slaves_in_kgdb);
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 			dbg_touch_watchdogs();
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-			local_irq_restore(flags);
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+			hard_local_irq_restore(flags);
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 			rcu_read_unlock();
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 			return 0;
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 		}
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@@ -685,7 +685,7 @@
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 		atomic_set(&kgdb_active, -1);
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 		raw_spin_unlock(&dbg_master_lock);
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 		dbg_touch_watchdogs();
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-		local_irq_restore(flags);
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+		hard_local_irq_restore(flags);
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 		rcu_read_unlock();
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 		goto acquirelock;
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@@ -721,8 +721,11 @@
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 		atomic_set(ks->send_ready, 1);
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 	/* Signal the other CPUs to enter kgdb_wait() */
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-	else if ((!kgdb_single_step) && kgdb_do_roundup)
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+	else if ((!kgdb_single_step) && kgdb_do_roundup && running_inband()) {
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+		hard_cond_local_irq_enable();
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 		kgdb_roundup_cpus();
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+		hard_cond_local_irq_disable();
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+	}
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 #endif
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 	/*
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@@ -834,7 +837,7 @@
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 	atomic_set(&kgdb_active, -1);
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 	raw_spin_unlock(&dbg_master_lock);
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 	dbg_touch_watchdogs();
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-	local_irq_restore(flags);
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+	hard_local_irq_restore(flags);
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 	rcu_read_unlock();
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 	return kgdb_info[cpu].ret_state;
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@@ -957,7 +960,7 @@
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 	if (!kgdb_connected || atomic_read(&kgdb_active) != -1 || dbg_kdb_mode)
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 		return;
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-	local_irq_save(flags);
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+	flags = hard_local_irq_save();
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 	gdbstub_msg_write(s, count);
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 	local_irq_restore(flags);
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 }