linux-kernel - [PATCH 12/12][v4] x86-32, hibernate: Adjust in

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Date:   Fri, 21 Sep 2018 14:28:41 +0800
From:   Chen Yu <yu.c.chen@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        Zhimin Gu <kookoo.gu@...el.com>, Chen Yu <yu.c.chen@...el.com>,
        x86@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
Subject: [PATCH 12/12][v4] x86-32, hibernate: Adjust in_suspend after resumed on 32bit system

From: Zhimin Gu <kookoo.gu@...el.com>

Update the in_suspend variable to reflect the actual hibernation
status. Back-port from 64bit system.

Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
Signed-off-by: Zhimin Gu <kookoo.gu@...el.com>
Acked-by: Pavel Machek <pavel@....cz>
Signed-off-by: Chen Yu <yu.c.chen@...el.com>
---
 arch/x86/power/hibernate_asm_32.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S
index 01f653fae7bd..6fe383002125 100644
--- a/arch/x86/power/hibernate_asm_32.S
+++ b/arch/x86/power/hibernate_asm_32.S
@@ -103,5 +103,8 @@ ENTRY(restore_registers)
 
 	xorl	%eax, %eax
 
+	/* tell the hibernation core that we've just restored the memory */
+	movl	%eax, in_suspend
+
 	ret
 ENDPROC(restore_registers)
-- 
2.17.1