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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <YPUBtf2OvD9Y017n@antec>
Date:   Mon, 19 Jul 2021 13:38:13 +0900
From:   Stafford Horne <shorne@...il.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        openrisc@...ts.librecores.org
Subject: Re: [PATCH] openrisc: don't printk() unconditionally

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@...radead.org>

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@...el.com>
> Cc: Jonas Bonn <jonas@...thpole.se>
> Cc: Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>
> Cc: Stafford Horne <shorne@...il.com>
> Cc: openrisc@...ts.librecores.org
> ---
>  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