linux-kernel - [PATCH -next] ACPI: processor: Fix a prepocessor warning

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Date:   Thu, 1 Apr 2021 10:39:00 +0800
From:   Shixin Liu <liushixin2@...wei.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>
CC:     <linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Shixin Liu <liushixin2@...wei.com>
Subject: [PATCH -next] ACPI: processor: Fix a prepocessor warning

When compiling with defconfig on x86_64, I got a warning:

drivers/acpi/processor_idle.c: In function ‘acpi_idle_play_dead’:
drivers/acpi/processor_idle.c:542:15: warning: extra tokens at end of #ifdef directive
  542 | #ifdef defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU)
      |

Fixes: bc5706eaeae0 ("ACPI: processor: Fix CPU0 wakeup in acpi_idle_play_dead()")
Signed-off-by: Shixin Liu <liushixin2@...wei.com>
---
 drivers/acpi/processor_idle.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 19fb28a8005b..0925b1477230 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -539,7 +539,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
 		} else
 			return -ENODEV;
 
-#ifdef defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU)
+#if defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU)
 		/* If NMI wants to wake up CPU0, start CPU0. */
 		if (wakeup_cpu0())
 			start_cpu0();
-- 
2.25.1