linux-kernel - Re: [PATCH] powerpc/livepatch: Remove klp_write_module

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Date:   Mon, 19 Dec 2016 11:15:55 +0100 (CET)
From:   Jiri Kosina <jikos@...nel.org>
To:     Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
cc:     Michael Ellerman <mpe@...erman.id.au>,
        Jessica Yu <jeyu@...hat.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Petr Mladek <pmladek@...e.com>, linuxppc-dev@...ts.ozlabs.org,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        Balbir Singh <bsingharora@...il.com>
Subject: Re: [PATCH] powerpc/livepatch: Remove klp_write_module_reloc()
 stub

On Fri, 16 Dec 2016, Kamalesh Babulal wrote:

> commit 425595a7fc20 ("livepatch: reuse module loader code
> to write relocations") offloads livepatch module relocation
> write to arch specific module loader code.
> 
> Remove unused klp_write_module_reloc() function stub.
> 
> Signed-off-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
> ---
>  arch/powerpc/include/asm/livepatch.h | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/livepatch.h b/arch/powerpc/include/asm/livepatch.h
> index a402f7f..47a03b9 100644
> --- a/arch/powerpc/include/asm/livepatch.h
> +++ b/arch/powerpc/include/asm/livepatch.h
> @@ -28,13 +28,6 @@ static inline int klp_check_compiler_support(void)
>  	return 0;
>  }
>  
> -static inline int klp_write_module_reloc(struct module *mod, unsigned long
> -		type, unsigned long loc, unsigned long value)
> -{
> -	/* This requires infrastructure changes; we need the loadinfos. */
> -	return -ENOSYS;
> -}
> -
>  static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
>  {
>  	regs->nip = ip;

Applied, thanks.

-- 
Jiri Kosina
SUSE Labs