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From: Rusty Russell <rusty@rustcorp.com.au>
To: Amit Shah <amit.shah@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	"Masami Hiramatsu" <masami.hiramatsu.pt@hitachi.com>,
	"Sjur Brændeland" <sjur.brandeland@stericsson.com>
Subject: Re: [PATCHv7 3/4] virtio_console: Merge struct buffer_token into struct port_buffer
Date: Tue, 23 Oct 2012 10:49:24 +1030	[thread overview]
Message-ID: <87fw56hwfn.fsf@rustcorp.com.au> (raw)
In-Reply-To: <1350287856-5284-4-git-send-email-sjur.brandeland@stericsson.com>

sjur.brandeland@stericsson.com writes:
> From: Sjur Brændeland <sjur.brandeland@stericsson.com>
>
> Refactoring the splice functionality by unifying the approach for
> sending scatter-lists and regular buffers. This simplifies
> buffer handling and reduces code size. Splice will now allocate
> a port_buffer and send_buf() and free_buf() can always be used
> for any buffer.
>
> Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>

This looks sensible; a couple of extra blank lines inserted though.

Amit?

> @@ -1033,6 +1008,8 @@ static const struct file_operations port_fops = {
>  static int put_chars(u32 vtermno, const char *buf, int count)
>  {
>  	struct port *port;
> +	struct scatterlist sg[1];
> +
>  
>  	if (unlikely(early_put_chars))
>  		return early_put_chars(vtermno, buf, count);
> @@ -1041,7 +1018,9 @@ static int put_chars(u32 vtermno, const char *buf, int count)
>  	if (!port)
>  		return -EPIPE;
>  
> -	return send_buf(port, (void *)buf, count, false);
> +	sg_init_one(sg, buf, count);
> +	return __send_to_port(port, sg, 1, count, (void *)buf, false);
> +
>  }
>  
>  /*

Cheers,
Rusty.
_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization

WARNING: multiple messages have this Message-ID (diff)
From: Rusty Russell <rusty@rustcorp.com.au>
To: sjur.brandeland@stericsson.com, Amit Shah <amit.shah@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Masami Hiramatsu" <masami.hiramatsu.pt@hitachi.com>,
	"Ohad Ben-Cohen" <ohad@wizery.com>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org, sjurbren@gmail.com,
	"Sjur Brændeland" <sjur.brandeland@stericsson.com>
Subject: Re: [PATCHv7 3/4] virtio_console: Merge struct buffer_token into struct port_buffer
Date: Tue, 23 Oct 2012 10:49:24 +1030	[thread overview]
Message-ID: <87fw56hwfn.fsf@rustcorp.com.au> (raw)
In-Reply-To: <1350287856-5284-4-git-send-email-sjur.brandeland@stericsson.com>

sjur.brandeland@stericsson.com writes:
> From: Sjur Brændeland <sjur.brandeland@stericsson.com>
>
> Refactoring the splice functionality by unifying the approach for
> sending scatter-lists and regular buffers. This simplifies
> buffer handling and reduces code size. Splice will now allocate
> a port_buffer and send_buf() and free_buf() can always be used
> for any buffer.
>
> Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>

This looks sensible; a couple of extra blank lines inserted though.

Amit?

> @@ -1033,6 +1008,8 @@ static const struct file_operations port_fops = {
>  static int put_chars(u32 vtermno, const char *buf, int count)
>  {
>  	struct port *port;
> +	struct scatterlist sg[1];
> +
>  
>  	if (unlikely(early_put_chars))
>  		return early_put_chars(vtermno, buf, count);
> @@ -1041,7 +1018,9 @@ static int put_chars(u32 vtermno, const char *buf, int count)
>  	if (!port)
>  		return -EPIPE;
>  
> -	return send_buf(port, (void *)buf, count, false);
> +	sg_init_one(sg, buf, count);
> +	return __send_to_port(port, sg, 1, count, (void *)buf, false);
> +
>  }
>  
>  /*

Cheers,
Rusty.

  reply	other threads:[~2012-10-23  0:19 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-15  7:57 [PATCHv7 0/4] virtio_console: Add rproc_serial driver sjur.brandeland
2012-10-15  7:57 ` sjur.brandeland
2012-10-15  7:57 ` [PATCHv7 1/4] virtio_console: Free buffer if splice fails sjur.brandeland
2012-10-23  0:12   ` Rusty Russell
2012-10-23  0:12     ` Rusty Russell
2012-10-15  7:57 ` sjur.brandeland
2012-10-15  7:57 ` [PATCHv7 2/4] virtio_console: Use kmalloc instead of kzalloc sjur.brandeland
2012-10-15  7:57   ` sjur.brandeland
2012-10-23  1:36   ` Rusty Russell
2012-10-23  1:36     ` Rusty Russell
2012-10-15  7:57 ` [PATCHv7 3/4] virtio_console: Merge struct buffer_token into struct port_buffer sjur.brandeland
2012-10-15  7:57   ` sjur.brandeland
2012-10-23  0:19   ` Rusty Russell [this message]
2012-10-23  0:19     ` Rusty Russell
2012-10-15  7:57 ` [PATCHv7 4/4] virtio_console: Add support for remoteproc serial sjur.brandeland
2012-10-15  7:57   ` sjur.brandeland
2012-10-23  1:47   ` Rusty Russell
2012-10-28 21:58     ` Sjur Brændeland
2012-10-28 21:58       ` Sjur Brændeland
2012-11-01  7:39     ` Amit Shah
2012-11-01  7:39     ` Amit Shah
2012-11-01 23:22       ` Rusty Russell
2012-11-01 23:22         ` Rusty Russell
2012-11-02 10:20         ` Amit Shah
2012-11-02 10:20           ` Amit Shah
2012-11-02 10:44           ` Sjur BRENDELAND
2012-11-02 10:44             ` Sjur BRENDELAND
2012-11-07 13:43           ` [PATCH resend] virtio_console: Free buffers from out-queue upon close sjur.brandeland
2012-11-07 13:43             ` sjur.brandeland
2012-11-07 23:58             ` Rusty Russell
2012-11-08  8:59               ` Amit Shah
2012-11-08  8:59                 ` Amit Shah
2012-11-08  9:25                 ` Sjur Brændeland
2012-11-08  9:25                   ` Sjur Brændeland
2012-11-07 23:58             ` Rusty Russell
2012-11-07 14:22           ` sjur.brandeland
2012-11-07 14:22             ` sjur.brandeland
2012-10-23  1:47   ` [PATCHv7 4/4] virtio_console: Add support for remoteproc serial Rusty Russell
2012-10-22 13:00 ` [PATCHv7 0/4] virtio_console: Add rproc_serial driver Amit Shah
2012-10-22 13:00   ` Amit Shah

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