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Message-ID: <YJUct6iDWVbybAmr@linux.ibm.com>
Date: Fri, 7 May 2021 13:55:51 +0300
From: Mike Rapoport <rppt@...ux.ibm.com>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Palmer Dabbelt <palmer@...belt.com>,
Paul Walmsley <paul@...an.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>,
Mike Rapoport <rppt@...nel.org>,
Palmer Dabbelt <palmerdabbelt@...gle.com>
Subject: Re: linux-next: manual merge of the akpm tree with the risc-v tree
On Fri, May 07, 2021 at 11:24:26AM +1000, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the akpm tree got a conflict in:
>
> arch/riscv/include/asm/set_memory.h
>
> between commit:
>
> 8d91b0973358 ("riscv: Consistify protect_kernel_linear_mapping_text_rodata() use")
>
> from the risc-v tree and commit:
>
> e022d55b4d97 ("set_memory: allow set_direct_map_*_noflush() for multiple pages")
>
> from the akpm 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/include/asm/set_memory.h
> index 086f757e8ba3,b766f2ccd9de..000000000000
> --- a/arch/riscv/include/asm/set_memory.h
> +++ b/arch/riscv/include/asm/set_memory.h
> @@@ -26,14 -27,8 +26,14 @@@ static inline void protect_kernel_text_
> static inline int set_memory_rw_nx(unsigned long addr, int numpages) { return 0; }
> #endif
>
> +#if defined(CONFIG_64BIT) && defined(CONFIG_STRICT_KERNEL_RWX)
> +void protect_kernel_linear_mapping_text_rodata(void);
> +#else
> +static inline void protect_kernel_linear_mapping_text_rodata(void) {}
> +#endif
> +
> - int set_direct_map_invalid_noflush(struct page *page);
> - int set_direct_map_default_noflush(struct page *page);
> + int set_direct_map_invalid_noflush(struct page *page, int numpages);
> + int set_direct_map_default_noflush(struct page *page, int numpages);
> bool kernel_page_present(struct page *page);
Ack, thanks Stephen!
> #endif /* __ASSEMBLY__ */
--
Sincerely yours,
Mike.
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