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-rw-r--r--arch/powerpc/platforms/pseries/hvCall.S7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S
index 1501b0a9e749..c1427b3634ec 100644
--- a/arch/powerpc/platforms/pseries/hvCall.S
+++ b/arch/powerpc/platforms/pseries/hvCall.S
@@ -30,9 +30,14 @@ END_FTR_SECTION_IFSET(CPU_FTR_PURR);
30 30
31/* 31/*
32 * postcall is performed immediately before function return which 32 * postcall is performed immediately before function return which
33 * allows liberal use of volatile registers. 33 * allows liberal use of volatile registers. We branch around this
34 * in early init (eg when populating the MMU hashtable) by using an
35 * unconditional cpu feature.
34 */ 36 */
35#define HCALL_INST_POSTCALL \ 37#define HCALL_INST_POSTCALL \
38BEGIN_FTR_SECTION; \
39 b 1f; \
40END_FTR_SECTION(0, 1); \
36 ld r4,STK_PARM(r3)(r1); /* validate opcode */ \ 41 ld r4,STK_PARM(r3)(r1); /* validate opcode */ \
37 cmpldi cr7,r4,MAX_HCALL_OPCODE; \ 42 cmpldi cr7,r4,MAX_HCALL_OPCODE; \
38 bgt- cr7,1f; \ 43 bgt- cr7,1f; \