Re: linux-next: build failure after merge of the printk tree

[Petr Mladek]

On Tue 2021-07-20 13:28:45, Chris Down wrote:
> Hey folks,
> 
> Naresh Kamboju writes:
> > On Tue, 20 Jul 2021 at 13:13, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > > 
> > > Hi all,
> > > 
> > > After merging the printk tree, today's linux-next build (mips allnoconfig)
> > > failed like this:
> > > 
> > > arch/mips/kernel/genex.o: In function `handle_mcheck_int':
> > > (.text+0x190c): undefined reference to `printk'
> > > arch/mips/kernel/genex.o: In function `handle_reserved_int':
> > > (.text+0x1c8c): undefined reference to `printk'
> > > 
> > > Caused by commit
> > > 
> > >   337015573718 ("printk: Userspace format indexing support")
> > 
> > Following MIPS builds failed at our end due the reported problem.
> 
> Thanks: missed this as I made sure to change all .S files to use _printk,
> but this is in a .h file included in a .S file.
> 
> Here's what's needed. :-)
> 
> diff --git arch/mips/include/asm/asm.h arch/mips/include/asm/asm.h
> index ea4b62ece336..2f8ce94ebaaf 100644
> --- arch/mips/include/asm/asm.h
> +++ arch/mips/include/asm/asm.h
> @@ -114,7 +114,7 @@ symbol		=	value
>  		.set	push;				\
>  		.set	reorder;			\
>  		PTR_LA	a0, 8f;				\
> -		jal	printk;				\
> +		jal	_printk;			\
>  		.set	pop;				\
>  		TEXT(string)
>  #else

Chris, could you please send it as a proper patch?

Best Regards,
Petr