From 28643e5478e5d85a2d08f5e8d995fa80d414931d Mon Sep 17 00:00:00 2001
From: avg <avg@FreeBSD.org>
Date: Tue, 18 Sep 2012 08:17:29 +0000
Subject: acpi_cpu: explicitly notify userland about c-state changes

... after they are committed.
A notification is sent per CPU.

Reviewed by:	imp
MFC after:	3 weeks
---
 sys/dev/acpica/acpi_cpu.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sys/dev/acpica')

diff --git a/sys/dev/acpica/acpi_cpu.c b/sys/dev/acpica/acpi_cpu.c
index d35a526..01534027 100644
--- a/sys/dev/acpica/acpi_cpu.c
+++ b/sys/dev/acpica/acpi_cpu.c
@@ -1063,6 +1063,8 @@ acpi_cpu_notify(ACPI_HANDLE h, UINT32 notify, void *context)
     ACPI_SERIAL_BEGIN(cpu);
     acpi_cpu_set_cx_lowest(sc);
     ACPI_SERIAL_END(cpu);
+
+    acpi_UserNotify("PROCESSOR", sc->cpu_handle, notify);
 }
 
 static int
-- 
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