netdev - Re: [Fwd: [PATCH] [TIPC]: Enhancements to msg_set

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Date:	Wed, 25 Apr 2007 18:39:43 +0200
From:	Ingo Oeser <netdev@...eo.de>
To:	Jon Paul Maloy <jon.maloy@...csson.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	Per Liden <per.liden@...csson.com>,
	"Stephens, Allan" <allan.stephens@...driver.com>
Subject: Re: [Fwd: [PATCH] [TIPC]: Enhancements to msg_set_bits() routine]

Hi Jon,

Jon Paul Maloy schrieb:
> 2) The code has been optimized to minimize the number of run-time
>    endianness conversion operations by leveraging the fact that the
>    mask (and, in some cases, the value as well) is constant and the
>    necessary conversion can be performed by the compiler.

3) It can be checked by sparse, if you use proper types.
 
> diff --git a/net/tipc/msg.h b/net/tipc/msg.h
> index 62d5490..5c64e55 100644
> --- a/net/tipc/msg.h
> +++ b/net/tipc/msg.h
> @@ -71,8 +71,11 @@ static inline void msg_set_word(struct tipc_msg *m, u32
> w, u32 val) static inline void msg_set_bits(struct tipc_msg *m, u32 w,
>  				u32 pos, u32 mask, u32 val)

static inlinevoid msg_set_bits(struct tipc_msg *m, u32 w,
  				u32 pos, __be32 mask, __be32 val)


Care to resubmit?


Best Regards

Ingo Oeser
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