Subject: Re: linux-next: manual merge of the akpm-current tree with the kbuild tree

From: Stephen Rothwell <[email-masked]>
Date: Thu, 16 Aug 2018 09:55:30 +1000

Hi all,

On Fri, 3 Aug 2018 18:36:53 +1000 Stephen Rothwell <[email-masked]> wrote:
>
> Today's linux-next merge of the akpm-current tree got a conflict in:
> 
>   lib/Kconfig.debug
> 
> between commit:
> 
>   06ec64b84c35 ("Kconfig: consolidate the "Kernel hacking" menu")
> 
> from the kbuild tree and commit:
> 
>   bbd89226bb66 ("fs/buffer.c: add debug print for __getblk_gfp() stall problem")
> 
> from the akpm-current tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> -- 
> Cheers,
> Stephen Rothwell
> 
> diff --cc lib/Kconfig.debug
> index 46f755a60872,01ec99f1cf2e..000000000000
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@@ -1729,10 -1713,9 +1727,9 @@@ config KPROBES_SANITY_TES
>   	bool "Kprobes sanity tests"
>   	depends on DEBUG_KERNEL
>   	depends on KPROBES
> - 	default n
>   	help
>   	  This option provides for testing basic kprobes functionality on
>  -	  boot. A sample kprobe, jprobe and kretprobe are inserted and
>  +	  boot. Samples of kprobe and kretprobe are inserted and
>   	  verified for functionality.
>   
>   	  Say N if you are unsure.
> @@@ -1851,12 -1820,8 +1844,11 @@@ config TEST_HAS
>   	  This is intended to help people writing architecture-specific
>   	  optimized versions.  If unsure, say N.
>   
>  +config TEST_IDA
>  +	tristate "Perform selftest on IDA functions"
>  +
>   config TEST_PARMAN
>   	tristate "Perform selftest on priority array manager"
> - 	default n
>   	depends on PARMAN
>   	help
>   	  Enable this option to test priority array manager on boot
> @@@ -2062,6 -2018,8 +2045,12 @@@ config IO_STRICT_DEVME
>   
>   	  If in doubt, say Y.
>   
> + config DEBUG_AID_FOR_SYZBOT
> +        bool "Additional debug code for syzbot"
> +        default n
> +        help
> +          This option is intended for testing by syzbot.
> ++
>  +source "arch/$(SRCARCH)/Kconfig.debug"
>  +
>  +endmenu # Kernel hacking

This is now a conflict between Linus' tree and the akpm-current tree.

-- 
Cheers,
Stephen Rothwell