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From: Stafford Horne <shorne@gmail.com>
To: openrisc@lists.librecores.org
Subject: [OpenRISC] [PATCH] openrisc/boot: Remove unnecessary initialisation in memcpy().
Date: Mon, 24 Jan 2022 08:27:54 +0900	[thread overview]
Message-ID: <Ye3keps4aHhkbYzr@antec> (raw)
In-Reply-To: <20220123020100.45201-1-kuniyu@amazon.co.jp>

On Sun, Jan 23, 2022 at 11:01:00AM +0900, Kuniyuki Iwashima wrote:
> 'd' and 's' are initialised later with 'dest_w' and 'src_w', so we need not
> initialise them before that.
> 
> Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>

This looks fine to me.  I will queue this for the next release.

Just curious why are you working on OpenRISC?

-Stafford

> ---
>  arch/openrisc/lib/memcpy.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/openrisc/lib/memcpy.c b/arch/openrisc/lib/memcpy.c
> index fe2177628..e2af9b510 100644
> --- a/arch/openrisc/lib/memcpy.c
> +++ b/arch/openrisc/lib/memcpy.c
> @@ -101,7 +101,7 @@ void *memcpy(void *dest, __const void *src, __kernel_size_t n)
>   */
>  void *memcpy(void *dest, __const void *src, __kernel_size_t n)
>  {
> -	unsigned char *d = (unsigned char *)dest, *s = (unsigned char *)src;
> +	unsigned char *d, *s;
>  	uint32_t *dest_w = (uint32_t *)dest, *src_w = (uint32_t *)src;
>  
>  	/* If both source and dest are word aligned copy words */
> -- 
> 2.30.2
> 

WARNING: multiple messages have this Message-ID (diff)
From: Stafford Horne <shorne@gmail.com>
To: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
Cc: Jonas Bonn <jonas@southpole.se>,
	Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
	Benjamin Herrenschmidt <benh@amazon.com>,
	Kuniyuki Iwashima <kuni1840@gmail.com>,
	openrisc@lists.librecores.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] openrisc/boot: Remove unnecessary initialisation in memcpy().
Date: Mon, 24 Jan 2022 08:27:54 +0900	[thread overview]
Message-ID: <Ye3keps4aHhkbYzr@antec> (raw)
In-Reply-To: <20220123020100.45201-1-kuniyu@amazon.co.jp>

On Sun, Jan 23, 2022 at 11:01:00AM +0900, Kuniyuki Iwashima wrote:
> 'd' and 's' are initialised later with 'dest_w' and 'src_w', so we need not
> initialise them before that.
> 
> Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>

This looks fine to me.  I will queue this for the next release.

Just curious why are you working on OpenRISC?

-Stafford

> ---
>  arch/openrisc/lib/memcpy.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/openrisc/lib/memcpy.c b/arch/openrisc/lib/memcpy.c
> index fe2177628..e2af9b510 100644
> --- a/arch/openrisc/lib/memcpy.c
> +++ b/arch/openrisc/lib/memcpy.c
> @@ -101,7 +101,7 @@ void *memcpy(void *dest, __const void *src, __kernel_size_t n)
>   */
>  void *memcpy(void *dest, __const void *src, __kernel_size_t n)
>  {
> -	unsigned char *d = (unsigned char *)dest, *s = (unsigned char *)src;
> +	unsigned char *d, *s;
>  	uint32_t *dest_w = (uint32_t *)dest, *src_w = (uint32_t *)src;
>  
>  	/* If both source and dest are word aligned copy words */
> -- 
> 2.30.2
> 

  reply	other threads:[~2022-01-23 23:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-23  2:01 [OpenRISC] [PATCH] openrisc/boot: Remove unnecessary initialisation in memcpy() Kuniyuki Iwashima
2022-01-23  2:01 ` Kuniyuki Iwashima
2022-01-23 23:27 ` Stafford Horne [this message]
2022-01-23 23:27   ` Stafford Horne
2022-01-24  0:02   ` [OpenRISC] " Kuniyuki Iwashima
2022-01-24  0:02     ` Kuniyuki Iwashima
2022-01-24  0:45     ` [OpenRISC] " Stafford Horne
2022-01-24  0:45       ` Stafford Horne

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