From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:56922)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <aik@ozlabs.ru>) id 1VJFRW-0002SZ-8f
	for qemu-devel@nongnu.org; Tue, 10 Sep 2013 00:20:52 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <aik@ozlabs.ru>) id 1VJFRQ-0005SQ-3O
	for qemu-devel@nongnu.org; Tue, 10 Sep 2013 00:20:46 -0400
Received: from mail-pa0-f49.google.com ([209.85.220.49]:44769)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <aik@ozlabs.ru>) id 1VJFRP-0005SI-GL
	for qemu-devel@nongnu.org; Tue, 10 Sep 2013 00:20:39 -0400
Received: by mail-pa0-f49.google.com with SMTP id ld10so7149160pab.36
	for <qemu-devel@nongnu.org>; Mon, 09 Sep 2013 21:20:38 -0700 (PDT)
Message-ID: <522E9DE0.8020508@ozlabs.ru>
Date: Tue, 10 Sep 2013 14:19:44 +1000
From: Alexey Kardashevskiy <aik@ozlabs.ru>
MIME-Version: 1.0
References: <1377850238-10270-1-git-send-email-aik@ozlabs.ru>
In-Reply-To: <1377850238-10270-1-git-send-email-aik@ozlabs.ru>
Content-Type: text/plain; charset=KOI8-R
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH] memory: fix 128 arithmetic in info mtree
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org

On 08/30/2013 06:10 PM, Alexey Kardashevskiy wrote:
> mtree_print_mr() calls int128_get64() in 3 places but only 2 places
> handle 2^64 correctly.
> 
> This fixes the third call of int128_get64().
> 
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> ---
>  memory.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/memory.c b/memory.c
> index ffedde7..93f2995 100644
> --- a/memory.c
> +++ b/memory.c
> @@ -1816,7 +1816,9 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
>                     mr->alias->name,
>                     mr->alias_offset,
>                     mr->alias_offset
> -                   + (hwaddr)int128_get64(mr->size) - 1);
> +                   + (int128_nz(mr->size) ?
> +                      (hwaddr)int128_get64(int128_sub(mr->size,
> +                                                      int128_one())) : 0));
>      } else {
>          mon_printf(f,
>                     TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s\n",
> 


Ping?


-- 
Alexey