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9e5a9f1c9b
Turn signals_enabled, signals_pending and signals_active into thread-local variables. This enables us to control and track signals independently on each CPU thread. This is a preparation for adding SMP support. Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com> Link: https://patch.msgid.link/20251027001815.1666872-3-tiwei.bie@linux.dev Signed-off-by: Johannes Berg <johannes.berg@intel.com>
39 lines
806 B
C
39 lines
806 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __UM_IRQFLAGS_H
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#define __UM_IRQFLAGS_H
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int um_get_signals(void);
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int um_set_signals(int enable);
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void block_signals(void);
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void unblock_signals(void);
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#define arch_local_save_flags arch_local_save_flags
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static inline unsigned long arch_local_save_flags(void)
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{
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return um_get_signals();
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}
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#define arch_local_irq_restore arch_local_irq_restore
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static inline void arch_local_irq_restore(unsigned long flags)
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{
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um_set_signals(flags);
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}
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#define arch_local_irq_enable arch_local_irq_enable
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static inline void arch_local_irq_enable(void)
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{
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unblock_signals();
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}
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#define arch_local_irq_disable arch_local_irq_disable
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static inline void arch_local_irq_disable(void)
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{
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block_signals();
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}
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#define ARCH_IRQ_DISABLED 0
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#include <asm-generic/irqflags.h>
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#endif
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