linux-kernel - [PATCH 17/19] ACPI: APEI build fix

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Date:	Tue, 02 Aug 2011 18:14:50 -0400
From:	Len Brown <lenb@...nel.org>
To:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Cc:	Len Brown <len.brown@...el.com>
Subject: [PATCH 17/19] ACPI: APEI build fix

From: Len Brown <len.brown@...el.com>

as GHES is optional...

When # CONFIG_ACPI_APEI_GHES is not set:

(.init.text+0x4c22): undefined reference to `ghes_disable'

Reported-by: Randy Dunlap <rdunlap@...otime.net>
Acked-by: Randy Dunlap <rdunlap@...otime.net>
Signed-off-by: Len Brown <len.brown@...el.com>
---
 drivers/acpi/bus.c  |    2 --
 include/acpi/apei.h |    4 ++++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 43ce3b0..437ddbf 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -544,10 +544,8 @@ static void acpi_bus_osc_support(void)
 	capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PPC_OST_SUPPORT;
 #endif
 
-#ifdef CONFIG_ACPI_APEI_GHES
 	if (!ghes_disable)
 		capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_APEI_SUPPORT;
-#endif
 	if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))
 		return;
 	if (ACPI_SUCCESS(acpi_run_osc(handle, &context))) {
diff --git a/include/acpi/apei.h b/include/acpi/apei.h
index d40bc55..51a527d 100644
--- a/include/acpi/apei.h
+++ b/include/acpi/apei.h
@@ -18,7 +18,11 @@
 
 extern int hest_disable;
 extern int erst_disable;
+#ifdef CONFIG_ACPI_APEI_GHES
 extern int ghes_disable;
+#else
+#define ghes_disable 1
+#endif
 
 #ifdef CONFIG_ACPI_APEI
 void __init acpi_hest_init(void);
-- 
1.7.6.396.ge0613

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