linux-kernel - [PATCH v3 1/4] ACPICA: Linux headers: Remove ACPI_PREEMPTION

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Date:	Mon, 12 May 2014 15:45:54 +0800
From:	Lv Zheng <lv.zheng@...el.com>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Len Brown <len.brown@...el.com>
Cc:	Lv Zheng <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>,
	<linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org
Subject: [PATCH v3 1/4] ACPICA: Linux headers: Remove ACPI_PREEMPTION_POINT() due to no usages.

This patch deletes deprecated ACPI_PREEMPTION_POINT(), there is no user for
it in Linux kernel now. Lv Zheng.

Signed-off-by: Lv Zheng <lv.zheng@...el.com>
---
 include/acpi/platform/aclinux.h |   14 --------------
 1 file changed, 14 deletions(-)

diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 4c2f9e7..3b8b52f 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -228,20 +228,6 @@ static inline acpi_thread_id acpi_os_get_thread_id(void)
 
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
 
-#ifndef CONFIG_PREEMPT
-
-/*
- * Used within ACPICA to show where it is safe to preempt execution
- * when CONFIG_PREEMPT=n
- */
-#define ACPI_PREEMPTION_POINT() \
-	do { \
-		if (!irqs_disabled()) \
-			cond_resched(); \
-	} while (0)
-
-#endif
-
 /*
  * When lockdep is enabled, the spin_lock_init() macro stringifies it's
  * argument and uses that as a name for the lock in debugging.
-- 
1.7.10

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