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authorAnton Blanchard <anton@samba.org>2014-03-11 11:54:06 +1100
committerAnton Blanchard <anton@samba.org>2014-04-23 10:05:26 +1000
commit2751b628c97e66e61f482935ca59148751972941 (patch)
tree86ef576395f448da30512daea224c1f1bf258807 /arch/powerpc/platforms/pseries/smp.c
parentd51959d70ffc55d1c829e881a6121e6fbbfb29af (diff)
downloadop-kernel-dev-2751b628c97e66e61f482935ca59148751972941.zip
op-kernel-dev-2751b628c97e66e61f482935ca59148751972941.tar.gz
powerpc: Fix SMP issues with ppc64le ABIv2
There is no need to put a function descriptor in __secondary_hold_spinloop. Use ppc_function_entry to get the instruction address and put it in __secondary_hold_spinloop instead. Also fix an issue where we assumed cur_cpu_spec held a function descriptor. Signed-off-by: Anton Blanchard <anton@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/smp.c')
-rw-r--r--arch/powerpc/platforms/pseries/smp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 24f58cb..a3555b1 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -44,6 +44,7 @@
#include <asm/xics.h>
#include <asm/dbell.h>
#include <asm/plpar_wrappers.h>
+#include <asm/code-patching.h>
#include "pseries.h"
#include "offline_states.h"
@@ -96,8 +97,8 @@ int smp_query_cpu_stopped(unsigned int pcpu)
static inline int smp_startup_cpu(unsigned int lcpu)
{
int status;
- unsigned long start_here = __pa((u32)*((unsigned long *)
- generic_secondary_smp_init));
+ unsigned long start_here =
+ __pa(ppc_function_entry(generic_secondary_smp_init));
unsigned int pcpu;
int start_cpu;
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