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From 1fb1abc83636f5329c26cd29f0f19f3faeb697a5 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 14 Dec 2020 20:51:02 +0100
Subject: [PATCH] um: Fix build w/o CONFIG_PM_SLEEP
uml_pm_wake() is unconditionally called from the SIGUSR1 wakeup
handler since that's in the userspace portion of UML, and thus
a bit tricky to ifdef out. Since pm_system_wakeup() can always
be called (but may be an empty inline), also simply always have
uml_pm_wake() to fix the build.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -387,12 +387,12 @@ void text_poke_sync(void)
{
}
-#ifdef CONFIG_PM_SLEEP
void uml_pm_wake(void)
{
pm_system_wakeup();
}
+#ifdef CONFIG_PM_SLEEP
static int init_pm_wake_signal(void)
{
/*
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