linux-kernel - [PATCH v3 2/5] kexec: define kexec_in_progress in !CONFIG

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Date:	Thu, 25 Jun 2015 11:58:03 +0200
From:	Vitaly Kuznetsov <vkuznets@...hat.com>
To:	devel@...uxdriverproject.org
Cc:	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
	Eric Biederman <ebiederm@...ssion.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Olaf Hering <olaf@...fle.de>,
	Greg KH <gregkh@...uxfoundation.org>
Subject: [PATCH v3 2/5] kexec: define kexec_in_progress in !CONFIG_KEXEC case

If some piece of code wants to check kexec_in_progress it has to be put
in #ifdef CONFIG_KEXEC block to not break the build in !CONFIG_KEXEC
case. Overcome this limitation by defining kexec_in_progress to false.

Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
---
 include/linux/kexec.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index e804306..b63218f 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -323,6 +323,7 @@ struct pt_regs;
 struct task_struct;
 static inline void crash_kexec(struct pt_regs *regs) { }
 static inline int kexec_should_crash(struct task_struct *p) { return 0; }
+#define kexec_in_progress false
 #endif /* CONFIG_KEXEC */
 
 #endif /* !defined(__ASSEBMLY__) */
-- 
2.4.2

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