[PATCH 2/2] powerpc: Non relocatable system call doesn't need a trampoline
From: Anton Blanchard <hidden>
Date: 2015-05-26 05:47:00
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
We need to use a trampoline when using LOAD_HANDLER(), because the destination needs to be in the first 64kB. An absolute branch has no such limitations, so just jump there. Signed-off-by: Anton Blanchard <redacted> --- arch/powerpc/kernel/exceptions-64s.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index cf8c1b5..0a0399c2 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S@@ -79,7 +79,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) \ mfspr r12,SPRN_SRR1 ; \ li r10,MSR_RI ; \ mtmsrd r10,1 ; /* Set RI (EE=0) */ \ - b system_call_entry ; + b system_call_common ; #endif /*
--
2.1.4