linux-kernel - Re: [PATCH] kdev_t: Always inline major/minor helper functions

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Message-ID: <65e00871-ee50-54a2-cec0-9e1d10e4a9b6@infradead.org>
Date:   Wed, 23 Dec 2020 10:06:26 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] kdev_t: Always inline major/minor helper functions

On 12/23/20 7:30 AM, Josh Poimboeuf wrote:
> Silly GCC doesn't always inline these trivial functions.
> 
> Fixes the following warning:
> 
>   arch/x86/kernel/sys_ia32.o: warning: objtool: cp_stat64()+0xd8: call to new_encode_dev() with UACCESS enabled
> 
> Reported-by: Randy Dunlap <rdunlap@...radead.org>
> Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>

Acked-by: Randy Dunlap <rdunlap@...radead.org> # build-tested

Thanks.


> ---
>  include/linux/kdev_t.h | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)

~Randy