linux-kernel - Re: [PATCH] h8300:let the checker know that size

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Message-ID: <87h8krfjwo.wl-ysato@users.sourceforge.jp>
Date:   Sun, 22 Jul 2018 23:02:31 +0900
From:   Yoshinori Sato <ysato@...rs.sourceforge.jp>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     uclinux-h8-devel@...ts.sourceforge.jp, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] h8300:let the checker know that size_t is ulong

On Thu, 31 May 2018 06:03:43 +0900,
Luc Van Oostenryck wrote:
> 
> All 64bit archs use unsigned long for size_t and most 32bit
> archs use 'unsigned int'. By default, this is what is assumed
> by sparse.
> 
> However, on h8300 (a 32bit arch) size_t is unsigned long which
> can led sparse to emit wrong warnings.
> 
> Fix this by passing to sparse the flag -msize-long, telling it
> that size_t is unsigned long.
> 
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@...il.com>
> ---
>  arch/h8300/Makefile | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile
> index e1c02ca23..eaac6685f 100644
> --- a/arch/h8300/Makefile
> +++ b/arch/h8300/Makefile
> @@ -22,6 +22,8 @@ KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
>  KBUILD_AFLAGS += $(aflags-y)
>  LDFLAGS += $(ldflags-y)
>  
> +CHECKFLAGS += -msize-long
> +
>  ifeq ($(CROSS_COMPILE),)
>  CROSS_COMPILE := h8300-unknown-linux-
>  endif
> -- 
> 2.17.0
> 

Sorry too late replay.
Applied to h8300-next.
Thanks.

-- 
Yosinori Sato