public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: Roel Kluin <roel.kluin@gmail.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] asm-generic: fix local_add_unless macro
Date: Tue, 12 May 2009 17:47:14 -0400	[thread overview]
Message-ID: <20090512214714.GA27519@Krystal> (raw)
In-Reply-To: <4A09EAC9.2030104@gmail.com>

* Roel Kluin (roel.kluin@gmail.com) wrote:
> ------------------------------>8-------------8<---------------------------------
> `local_add_unless(x, y, z)' will be expanded to `(&(x)->y, (y), (x))', but 
> `&(x)->y' should be `&(x)->a'
> 
> Signed-off-by: Roel Kluin <roel.kluin@gmail.com>

It looks good to me.

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>

> ---
> Was this patch lost? it's still not in current git.
> 
> diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
> index dbd6150..fc21844 100644
> --- a/include/asm-generic/local.h
> +++ b/include/asm-generic/local.h
> @@ -42,7 +42,7 @@ typedef struct
>  
>  #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
>  #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
> -#define local_add_unless(l, a, u) atomic_long_add_unless((&(l)->a), (a), (u))
> +#define local_add_unless(l, _a, u) atomic_long_add_unless((&(l)->a), (_a), (u))
>  #define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a)
>  
>  /* Non-atomic variants, ie. preemption disabled and won't be touched

-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68

      reply	other threads:[~2009-05-12 21:47 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-22 14:07 [PATCH] asm-generic: fix local_add_unless macro Roel Kluin
2009-01-22 18:05 ` Mathieu Desnoyers
2009-01-23 15:45 ` Mathieu Desnoyers
2009-05-12 21:31   ` Roel Kluin
2009-05-12 21:47     ` Mathieu Desnoyers [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20090512214714.GA27519@Krystal \
    --to=mathieu.desnoyers@polymtl.ca \
    --cc=akpm@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=roel.kluin@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox