Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/arch/um/include/asm/irqflags.h b/arch/um/include/asm/irqflags.h
new file mode 100644
index 000000000..cbc6c0013
--- /dev/null
+++ b/arch/um/include/asm/irqflags.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __UM_IRQFLAGS_H
+#define __UM_IRQFLAGS_H
+
+extern int get_signals(void);
+extern int set_signals(int enable);
+extern void block_signals(void);
+extern void unblock_signals(void);
+
+#define arch_local_save_flags arch_local_save_flags
+static inline unsigned long arch_local_save_flags(void)
+{
+	return get_signals();
+}
+
+#define arch_local_irq_restore arch_local_irq_restore
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+	set_signals(flags);
+}
+
+#define arch_local_irq_enable arch_local_irq_enable
+static inline void arch_local_irq_enable(void)
+{
+	unblock_signals();
+}
+
+#define arch_local_irq_disable arch_local_irq_disable
+static inline void arch_local_irq_disable(void)
+{
+	block_signals();
+}
+
+#define ARCH_IRQ_DISABLED	0
+#define ARCh_IRQ_ENABLED	(SIGIO|SIGVTALRM)
+
+#include <asm-generic/irqflags.h>
+
+#endif