Nathan Chancellor reported the following build error when compiling the kernel with CONFIG_MARCH_Z10=y: arch/s390/kernel/mcount.S: Assembler messages: arch/s390/kernel/mcount.S:140: Error: Unrecognized opcode: `aghik' The aghik instruction is only available since z196. Use the la instruction instead which is available for all machines. Reported-by: Nathan Chancellor <nathan@xxxxxxxxxx> Closes: https://lore.kernel.org/all/20230725211105.GA224840@dev-arch.thelio-3990X Fixes: 1256e70a082a ("s390/ftrace: enable HAVE_FUNCTION_GRAPH_RETVAL") Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx> --- arch/s390/kernel/mcount.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S index d2596e0df6fa..71c5fa05e7f1 100644 --- a/arch/s390/kernel/mcount.S +++ b/arch/s390/kernel/mcount.S @@ -137,7 +137,7 @@ SYM_FUNC_START(return_to_handler) lgr %r1,%r15 aghi %r15,-(STACK_FRAME_OVERHEAD+__FGRAPH_RET_SIZE) stg %r1,__SF_BACKCHAIN(%r15) - aghik %r3,%r15,STACK_FRAME_OVERHEAD + la %r3,STACK_FRAME_OVERHEAD(%r15) stg %r1,__FGRAPH_RET_FP(%r3) stg %r2,__FGRAPH_RET_GPR2(%r3) lgr %r2,%r3 -- 2.39.2
