Re: [PATCH] openrisc: don't printk() unconditionally

From: Stafford Horne
Date: Mon Jul 19 2021 - 00:38:22 EST


On Sun, Jul 18, 2021 at 07:33:09PM -0700, Randy Dunlap wrote:
> Don't call printk() when CONFIG_PRINTK is not set.
> Fixes the following build errors:
>
> or1k-linux-ld: arch/openrisc/kernel/entry.o: in function `_external_irq_handler':
> (.text+0x804): undefined reference to `printk'
> (.text+0x804): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `printk'
>
> Fixes: 9d02a4283e9c ("OpenRISC: Boot code")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Thanks!

This looks OK to me, I will queue it for 5.15 unless anyone thinks it should go
in now.

-Stafford

> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Cc: Jonas Bonn <jonas@xxxxxxxxxxxx>
> Cc: Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx>
> Cc: Stafford Horne <shorne@xxxxxxxxx>
> Cc: openrisc@xxxxxxxxxxxxxxxxxxxx
> ---
> arch/openrisc/kernel/entry.S | 2 ++
> 1 file changed, 2 insertions(+)
>
> --- linux-next-20210716.orig/arch/openrisc/kernel/entry.S
> +++ linux-next-20210716/arch/openrisc/kernel/entry.S
> @@ -547,6 +547,7 @@ EXCEPTION_ENTRY(_external_irq_handler)
> l.bnf 1f // ext irq enabled, all ok.
> l.nop
>
> +#ifdef CONFIG_PRINTK
> l.addi r1,r1,-0x8
> l.movhi r3,hi(42f)
> l.ori r3,r3,lo(42f)
> @@ -560,6 +561,7 @@ EXCEPTION_ENTRY(_external_irq_handler)
> .string "\n\rESR interrupt bug: in _external_irq_handler (ESR %x)\n\r"
> .align 4
> .previous
> +#endif
>
> l.ori r4,r4,SPR_SR_IEE // fix the bug
> // l.sw PT_SR(r1),r4