[PATCH] Powerpc: separate CONFIG_RELOCATABLE from CONFIG_CRASHDUMP inboot code

From: Sonny Rao
Date: Thu Nov 18 2010 - 14:22:27 EST


Fix head_64.S so that we can build a relocatable kernel
that isn't necessarily a crash-dump kernel

Signed-off-by: Milton Miller <miltonm@xxxxxxx>
Signed-off-by: Sonny Rao <sonnyrao@xxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kernel/head_64.S | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index f0dd577..53b098f 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -96,7 +96,7 @@ __secondary_hold_acknowledge:
.llong hvReleaseData-KERNELBASE
#endif /* CONFIG_PPC_ISERIES */

-#ifdef CONFIG_CRASH_DUMP
+#ifdef CONFIG_RELOCATABLE
/* This flag is set to 1 by a loader if the kernel should run
* at the loaded address instead of the linked address. This
* is used by kexec-tools to keep the the kdump kernel in the
@@ -384,12 +384,10 @@ _STATIC(__after_prom_start)
/* process relocations for the final address of the kernel */
lis r25,PAGE_OFFSET@highest /* compute virtual base of kernel */
sldi r25,r25,32
-#ifdef CONFIG_CRASH_DUMP
lwz r7,__run_at_load-_stext(r26)
- cmplwi cr0,r7,1 /* kdump kernel ? - stay where we are */
+ cmplwi cr0,r7,1 /* flagged to stay where we are ? */
bne 1f
add r25,r25,r26
-#endif
1: mr r3,r25
bl .relocate
#endif
--
1.5.6.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/