To call do_syscall_trace_enter() we need pt_regs in r3, but we don't need
to recalculate it based on r1, it's already in r9.
Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
---
arch/powerpc/kernel/entry_64.S | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 579e0f9a2d57..0796c487d3db 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -243,7 +243,9 @@ syscall_error:
/* Traced system call support */
syscall_dotrace:
bl save_nvgprs
- addi r3,r1,STACK_FRAME_OVERHEAD
+
+ /* Get pt_regs into r3 */
+ mr r3, r9
bl do_syscall_trace_enter
/*
* Restore argument registers possibly just changed.
--
2.1.0
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