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-rw-r--r--arch/powerpc/platforms/pseries/lpar.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 8c509d5397c6..f6880d2a40fb 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -43,6 +43,7 @@
#include <asm/trace.h>
#include <asm/firmware.h>
#include <asm/plpar_wrappers.h>
+#include <asm/fadump.h>
#include "pseries.h"
@@ -247,8 +248,17 @@ static void pSeries_lpar_hptab_clear(void)
}
#ifdef __LITTLE_ENDIAN__
- /* Reset exceptions to big endian */
- if (firmware_has_feature(FW_FEATURE_SET_MODE)) {
+ /*
+ * Reset exceptions to big endian.
+ *
+ * FIXME this is a hack for kexec, we need to reset the exception
+ * endian before starting the new kernel and this is a convenient place
+ * to do it.
+ *
+ * This is also called on boot when a fadump happens. In that case we
+ * must not change the exception endian mode.
+ */
+ if (firmware_has_feature(FW_FEATURE_SET_MODE) && !is_fadump_active()) {
long rc;
rc = pseries_big_endian_exceptions();