linux-kernel - Re: linux-next: manual merge of the akpm-current tree with the risc-v tree

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Date:   Thu, 17 Dec 2020 12:26:16 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul@...an.com>
Cc:     Kefeng Wang <wangkefeng.wang@...wei.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Mike Rapoport <rppt@...nel.org>,
        Mike Rapoport <rppt@...ux.ibm.com>
Subject: Re: linux-next: manual merge of the akpm-current tree with the
 risc-v tree

Hi all,

On Fri, 27 Nov 2020 18:34:41 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> Today's linux-next merge of the akpm-current tree got a conflict in:
> 
>   arch/riscv/Kconfig
> 
> between commit:
> 
>   5cb0080f1bfd ("riscv: Enable ARCH_STACKWALK")
> 
> from the risc-v tree and commit:
> 
>   46b9b00649f6 ("arch, mm: restore dependency of __kernel_map_pages() on DEBUG_PAGEALLOC")
> 
> 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.
> 
> 
> diff --cc arch/riscv/Kconfig
> index 8a2a0523a9a3,9283c6f9ae2a..000000000000
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@@ -14,7 -14,7 +14,8 @@@ config RISC
>   	def_bool y
>   	select ARCH_CLOCKSOURCE_INIT
>   	select ARCH_SUPPORTS_ATOMIC_RMW
>  +	select ARCH_STACKWALK
> + 	select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU
>   	select ARCH_HAS_BINFMT_FLAT
>   	select ARCH_HAS_DEBUG_VM_PGTABLE
>   	select ARCH_HAS_DEBUG_VIRTUAL if MMU

This is now a conflict between the risc-v tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell

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