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Subject[PATCH] ACPI: APEI build fix
From: Len Brown <len.brown@intel.com>

as GHES is optional...

When # CONFIG_ACPI_APEI_GHES is not set:

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

Signed-off-by: Len Brown <len.brown@intel.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);
--
1.7.6.178.g55272



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