* [PATCH] xen-netback: prefer xenbus_write() over xenbus_printf() where possible
@ 2016-07-07 7:58 Jan Beulich
2016-07-07 8:27 ` Paul Durrant
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Jan Beulich @ 2016-07-07 7:58 UTC (permalink / raw)
To: Wei Liu; +Cc: xen-devel, netdev
... as being the simpler variant.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
---
drivers/net/xen-netback/xenbus.c | 24 +++++++++---------------
1 file changed, 9 insertions(+), 15 deletions(-)
--- 4.7-rc6-prefer-xenbus_write.orig/drivers/net/xen-netback/xenbus.c
+++ 4.7-rc6-prefer-xenbus_write/drivers/net/xen-netback/xenbus.c
@@ -301,17 +301,15 @@ static int netback_probe(struct xenbus_d
}
/* We support partial checksum setup for IPv6 packets */
- err = xenbus_printf(xbt, dev->nodename,
- "feature-ipv6-csum-offload",
- "%d", 1);
+ err = xenbus_write(xbt, dev->nodename,
+ "feature-ipv6-csum-offload", "1");
if (err) {
message = "writing feature-ipv6-csum-offload";
goto abort_transaction;
}
/* We support rx-copy path. */
- err = xenbus_printf(xbt, dev->nodename,
- "feature-rx-copy", "%d", 1);
+ err = xenbus_write(xbt, dev->nodename, "feature-rx-copy", "1");
if (err) {
message = "writing feature-rx-copy";
goto abort_transaction;
@@ -321,24 +319,22 @@ static int netback_probe(struct xenbus_d
* We don't support rx-flip path (except old guests who don't
* grok this feature flag).
*/
- err = xenbus_printf(xbt, dev->nodename,
- "feature-rx-flip", "%d", 0);
+ err = xenbus_write(xbt, dev->nodename, "feature-rx-flip", "0");
if (err) {
message = "writing feature-rx-flip";
goto abort_transaction;
}
/* We support dynamic multicast-control. */
- err = xenbus_printf(xbt, dev->nodename,
- "feature-multicast-control", "%d", 1);
+ err = xenbus_write(xbt, dev->nodename,
+ "feature-multicast-control", "1");
if (err) {
message = "writing feature-multicast-control";
goto abort_transaction;
}
- err = xenbus_printf(xbt, dev->nodename,
- "feature-dynamic-multicast-control",
- "%d", 1);
+ err = xenbus_write(xbt, dev->nodename,
+ "feature-dynamic-multicast-control", "1");
if (err) {
message = "writing feature-dynamic-multicast-control";
goto abort_transaction;
@@ -368,9 +364,7 @@ static int netback_probe(struct xenbus_d
if (err)
pr_debug("Error writing multi-queue-max-queues\n");
- err = xenbus_printf(XBT_NIL, dev->nodename,
- "feature-ctrl-ring",
- "%u", true);
+ err = xenbus_write(XBT_NIL, dev->nodename, "feature-ctrl-ring", "1");
if (err)
pr_debug("Error writing feature-ctrl-ring\n");
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] xen-netback: prefer xenbus_write() over xenbus_printf() where possible
2016-07-07 7:58 [PATCH] xen-netback: prefer xenbus_write() over xenbus_printf() where possible Jan Beulich
@ 2016-07-07 8:27 ` Paul Durrant
2016-07-08 16:13 ` Wei Liu
[not found] ` <20160708161349.GB24399@citrix.com>
2 siblings, 0 replies; 4+ messages in thread
From: Paul Durrant @ 2016-07-07 8:27 UTC (permalink / raw)
To: Jan Beulich, Wei Liu; +Cc: xen-devel, netdev
> -----Original Message-----
> From: Xen-devel [mailto:xen-devel-bounces@lists.xen.org] On Behalf Of Jan
> Beulich
> Sent: 07 July 2016 08:58
> To: Wei Liu
> Cc: xen-devel@lists.xenproject.org; netdev@vger.kernel.org
> Subject: [Xen-devel] [PATCH] xen-netback: prefer xenbus_write() over
> xenbus_printf() where possible
>
> ... as being the simpler variant.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
> ---
> drivers/net/xen-netback/xenbus.c | 24 +++++++++---------------
> 1 file changed, 9 insertions(+), 15 deletions(-)
>
> --- 4.7-rc6-prefer-xenbus_write.orig/drivers/net/xen-netback/xenbus.c
> +++ 4.7-rc6-prefer-xenbus_write/drivers/net/xen-netback/xenbus.c
> @@ -301,17 +301,15 @@ static int netback_probe(struct xenbus_d
> }
>
> /* We support partial checksum setup for IPv6 packets */
> - err = xenbus_printf(xbt, dev->nodename,
> - "feature-ipv6-csum-offload",
> - "%d", 1);
> + err = xenbus_write(xbt, dev->nodename,
> + "feature-ipv6-csum-offload", "1");
> if (err) {
> message = "writing feature-ipv6-csum-offload";
> goto abort_transaction;
> }
>
> /* We support rx-copy path. */
> - err = xenbus_printf(xbt, dev->nodename,
> - "feature-rx-copy", "%d", 1);
> + err = xenbus_write(xbt, dev->nodename, "feature-rx-copy",
> "1");
> if (err) {
> message = "writing feature-rx-copy";
> goto abort_transaction;
> @@ -321,24 +319,22 @@ static int netback_probe(struct xenbus_d
> * We don't support rx-flip path (except old guests who don't
> * grok this feature flag).
> */
> - err = xenbus_printf(xbt, dev->nodename,
> - "feature-rx-flip", "%d", 0);
> + err = xenbus_write(xbt, dev->nodename, "feature-rx-flip",
> "0");
> if (err) {
> message = "writing feature-rx-flip";
> goto abort_transaction;
> }
>
> /* We support dynamic multicast-control. */
> - err = xenbus_printf(xbt, dev->nodename,
> - "feature-multicast-control", "%d", 1);
> + err = xenbus_write(xbt, dev->nodename,
> + "feature-multicast-control", "1");
> if (err) {
> message = "writing feature-multicast-control";
> goto abort_transaction;
> }
>
> - err = xenbus_printf(xbt, dev->nodename,
> - "feature-dynamic-multicast-control",
> - "%d", 1);
> + err = xenbus_write(xbt, dev->nodename,
> + "feature-dynamic-multicast-control", "1");
> if (err) {
> message = "writing feature-dynamic-multicast-
> control";
> goto abort_transaction;
> @@ -368,9 +364,7 @@ static int netback_probe(struct xenbus_d
> if (err)
> pr_debug("Error writing multi-queue-max-queues\n");
>
> - err = xenbus_printf(XBT_NIL, dev->nodename,
> - "feature-ctrl-ring",
> - "%u", true);
> + err = xenbus_write(XBT_NIL, dev->nodename, "feature-ctrl-ring",
> "1");
> if (err)
> pr_debug("Error writing feature-ctrl-ring\n");
>
>
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> https://lists.xen.org/xen-devel
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] xen-netback: prefer xenbus_write() over xenbus_printf() where possible
2016-07-07 7:58 [PATCH] xen-netback: prefer xenbus_write() over xenbus_printf() where possible Jan Beulich
2016-07-07 8:27 ` Paul Durrant
@ 2016-07-08 16:13 ` Wei Liu
[not found] ` <20160708161349.GB24399@citrix.com>
2 siblings, 0 replies; 4+ messages in thread
From: Wei Liu @ 2016-07-08 16:13 UTC (permalink / raw)
To: Jan Beulich; +Cc: xen-devel, Wei Liu, netdev
On Thu, Jul 07, 2016 at 01:58:18AM -0600, Jan Beulich wrote:
> ... as being the simpler variant.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] xen-netback: prefer xenbus_write() over xenbus_printf() where possible
[not found] ` <20160708161349.GB24399@citrix.com>
@ 2016-07-08 16:15 ` Wei Liu
0 siblings, 0 replies; 4+ messages in thread
From: Wei Liu @ 2016-07-08 16:15 UTC (permalink / raw)
To: Jan Beulich; +Cc: xen-devel, Wei Liu, netdev
On Fri, Jul 08, 2016 at 05:13:49PM +0100, Wei Liu wrote:
> On Thu, Jul 07, 2016 at 01:58:18AM -0600, Jan Beulich wrote:
> > ... as being the simpler variant.
> >
> > Signed-off-by: Jan Beulich <jbeulich@suse.com>
>
> Acked-by: Wei Liu <wei.liu2@citrix.com>
Please ignore this, I acked v2 instead.
Only v2 is needed.
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2016-07-08 16:15 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-07-07 7:58 [PATCH] xen-netback: prefer xenbus_write() over xenbus_printf() where possible Jan Beulich
2016-07-07 8:27 ` Paul Durrant
2016-07-08 16:13 ` Wei Liu
[not found] ` <20160708161349.GB24399@citrix.com>
2016-07-08 16:15 ` Wei Liu
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).