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

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Date:   Thu, 28 May 2020 12:19:35 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>, akpm@...ux-foundation.org
CC:     Paul Walmsley <paul@...an.com>, linux-next@...r.kernel.org,
        linux-kernel@...r.kernel.org, zong.li@...ive.com,
        rppt@...ux.ibm.com
Subject:     Re: linux-next: manual merge of the akpm-current tree with the rsic-v tree

On Thu, 28 May 2020 02:22:11 PDT (-0700), Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the akpm-current tree got a conflict in:
>
>   arch/riscv/Kconfig
>
> between commit:
>
>   b151fefd23b7 ("riscv: sort select statements alphanumerically")

Andrew: Maybe it's easier if just drop the patch?  It comes from a script, so I
can just resurrect it when things are less busy.

>
> from the rsic-v tree and commits:
>
>   e8d3552c4f20 ("mm: remove CONFIG_HAVE_MEMBLOCK_NODE_MAP option")
>   4d01b8e6220f ("riscv: support DEBUG_WX")
>
> 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 arch/riscv/Kconfig
> index de5c95119de9,68418201734a..000000000000
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@@ -12,47 -12,29 +12,47 @@@ config 32BI
>   
>   config RISCV
>   	def_bool y
>  -	select OF
>  -	select OF_EARLY_FLATTREE
>  -	select OF_IRQ
>   	select ARCH_HAS_BINFMT_FLAT
>  +	select ARCH_HAS_DEBUG_VIRTUAL if MMU
> + 	select ARCH_HAS_DEBUG_WX
>  +	select ARCH_HAS_GCOV_PROFILE_ALL
>  +	select ARCH_HAS_GIGANTIC_PAGE
>  +	select ARCH_HAS_MMIOWB
>  +	select ARCH_HAS_PTE_SPECIAL
>  +	select ARCH_HAS_SET_DIRECT_MAP
>  +	select ARCH_HAS_SET_MEMORY
>  +	select ARCH_HAS_STRICT_KERNEL_RWX if MMU
>  +	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
>   	select ARCH_WANT_FRAME_POINTERS
>  +	select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
>   	select CLONE_BACKWARDS
>   	select COMMON_CLK
>  +	select EDAC_SUPPORT
>  +	select GENERIC_ARCH_TOPOLOGY if SMP
>  +	select GENERIC_ATOMIC64 if !64BIT
>   	select GENERIC_CLOCKEVENTS
>  +	select GENERIC_IOREMAP
>  +	select GENERIC_IRQ_MULTI_HANDLER
>   	select GENERIC_IRQ_SHOW
>   	select GENERIC_PCI_IOMAP
>  +	select GENERIC_PTDUMP if MMU
>   	select GENERIC_SCHED_CLOCK
>  +	select GENERIC_SMP_IDLE_THREAD
>   	select GENERIC_STRNCPY_FROM_USER if MMU
>   	select GENERIC_STRNLEN_USER if MMU
>  -	select GENERIC_SMP_IDLE_THREAD
>  -	select GENERIC_ATOMIC64 if !64BIT
>  -	select GENERIC_IOREMAP
>  -	select GENERIC_PTDUMP if MMU
>   	select HAVE_ARCH_AUDITSYSCALL
>  +	select HAVE_ARCH_KASAN if MMU && 64BIT
>  +	select HAVE_ARCH_KGDB
>  +	select HAVE_ARCH_KGDB_QXFER_PKT
>  +	select HAVE_ARCH_MMAP_RND_BITS if MMU
>   	select HAVE_ARCH_SECCOMP_FILTER
>  +	select HAVE_ARCH_TRACEHOOK
>   	select HAVE_ASM_MODVERSIONS
>  +	select HAVE_COPY_THREAD_TLS
>   	select HAVE_DMA_CONTIGUOUS if MMU
>  +	select HAVE_EBPF_JIT if MMU
>   	select HAVE_FUTEX_CMPXCHG if FUTEX
> - 	select HAVE_MEMBLOCK_NODE_MAP
>  +	select HAVE_PCI
>   	select HAVE_PERF_EVENTS
>   	select HAVE_PERF_REGS
>   	select HAVE_PERF_USER_STACK_DUMP