x86: always enable irqs when entering idle (3b22ec7b) · Commits · 戴 / test

arch/x86/kernel/process_32.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -127,6 +127,7 @@ void default_idle(void)
		local_irq_enable();
		current_thread_info()->status \|= TS_POLLING;
		} else {
		local_irq_enable();
		/* loop is done by the caller */
		cpu_relax();
		}
		@@ -142,6 +143,7 @@ EXPORT_SYMBOL(default_idle);
		*/
		static void poll_idle(void)
		{
		local_irq_enable();
		cpu_relax();
		}

		@@ -248,8 +250,11 @@ void mwait_idle_with_hints(unsigned long ax, unsigned long cx)
		__monitor((void *)&current_thread_info()->flags, 0, 0);
		smp_mb();
		if (!need_resched())
		__mwait(ax, cx);
		}
		__sti_mwait(ax, cx);
		else
		local_irq_enable();
		} else
		local_irq_enable();
		}

		/* Default MONITOR/MWAIT with no hints, used for default C1 state */