From: Rusty Russell <rusty@rustcorp.com.au>
To: Sjur BRENDELAND <sjur.brandeland@stericsson.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Amit Shah <amit.shah@redhat.com>,
"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"virtualization\@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
"sjurbren\@gmail.com" <sjurbren@gmail.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Linus Walleij <linus.walleij@linaro.org>,
"yrl.pp-manager.tt\@hitachi.com" <yrl.pp-manager.tt@hitachi.com>
Subject: RE: [PATCH 1/3] virtio_console:Merge struct buffer_token into struct port_buffer
Date: Thu, 27 Sep 2012 09:12:33 +0930 [thread overview]
Message-ID: <87k3vg4ahi.fsf@rustcorp.com.au> (raw)
In-Reply-To: <81C3A93C17462B4BBD7E272753C1057923BD8365F7@EXDCVYMBSTM005.EQ1STM.local>
Sjur BRENDELAND <sjur.brandeland@stericsson.com> writes:
>> This allocates one redundant sg entry when nrbuf > 0,
>> but I think it is OK. (just a comment)
>
> I did this on purpose for the sake of simplicity, but I can
> change this to something like:
> alloc_size = sizeof(*buf) + sizeof(buf->sg) * max(nrbufs - 1, 1);
That's why we use [0] in the definition (a GCC extension).
Cheers,
Rusty.
next prev parent reply other threads:[~2012-09-27 2:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-25 13:47 [PATCHv6 0/3] virtio_console: Add rproc_serial device sjur.brandeland
2012-09-25 13:47 ` [PATCH 1/3] virtio_console:Merge struct buffer_token into struct port_buffer sjur.brandeland
2012-09-26 2:44 ` Masami Hiramatsu
2012-09-26 7:48 ` Sjur BRENDELAND
2012-09-26 9:40 ` Masami Hiramatsu
2012-09-26 23:42 ` Rusty Russell [this message]
2012-10-01 9:39 ` Amit Shah
2012-10-01 9:35 ` Amit Shah
2012-09-25 13:47 ` [PATCHv5 2/3] virtio_console: Add support for remoteproc serial sjur.brandeland
2012-09-26 23:52 ` Rusty Russell
2012-10-01 9:52 ` Amit Shah
2012-09-25 13:47 ` [PATCH 3/3] virtio_console: Don't initialize buffers to zero sjur.brandeland
2012-10-01 8:24 ` Amit Shah
2012-09-28 12:48 ` [PATCHv6 0/3] virtio_console: Add rproc_serial device Amit Shah
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