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From: Kevin Wolf <kwolf@redhat.com>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org,
	armbru@redhat.com, pbonzini@redhat.com,
	Luiz Capitulino <lcapitulino@redhat.com>,
	afaerber@suse.de
Subject: Re: [Qemu-devel] [RFC 00/14]: add printf-like human msg to error_set()
Date: Thu, 26 Jul 2012 11:45:49 +0200	[thread overview]
Message-ID: <501111CD.9000701@redhat.com> (raw)
In-Reply-To: <87boj3dyxg.fsf@codemonkey.ws>

Am 26.07.2012 04:43, schrieb Anthony Liguori:
> Luiz Capitulino <lcapitulino@redhat.com> writes:
> 
>> Basically, this series changes a call like:
>>
>>  error_set(errp, QERR_DEVICE_NOT_FOUND, device);
>>
>> to:
>>
>>  error_set(errp, QERR_DEVICE_NOT_FOUND,
>>            "Device 'device=%s' not found", device);
>>
>> In the first call, QERR_DEVICE_NOT_FOUND is a string containing a json dict:
>>
>>     "{ 'class': 'DeviceNotFound', 'data': { 'device': %s } }"
> 
> This is the wrong direction.  Looking through the patch, this makes the
> code much more redundant overall.  You have dozens of calls that are
> duplicating the same error message.  This is not progress.

I believe this is mostly because it's a mechanical conversion. Once this
is done, we can change error messages to better fit the individual cases.

> We should just stick with a simple QERR_GENERIC and call it a day.
> Let's not needlessly complicate existing code.

Why even have error codes when everything should become QERR_GENERIC? Or
am I misunderstanding?

Kevin

  reply	other threads:[~2012-07-26  9:46 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-25 20:50 [Qemu-devel] [RFC 00/14]: add printf-like human msg to error_set() Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 01/14] monitor: drop unused monitor debug code Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 02/14] qerror: reduce public exposure Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 03/14] qerror: drop qerror_abort() Luiz Capitulino
2012-07-26 12:33   ` Markus Armbruster
2012-07-26 15:02     ` Luiz Capitulino
2012-07-26 12:59   ` Eric Blake
2012-07-25 20:50 ` [Qemu-devel] [PATCH 04/14] qerror: drop qerror_report_internal() Luiz Capitulino
2012-07-26 12:35   ` Markus Armbruster
2012-07-25 20:50 ` [Qemu-devel] [PATCH 05/14] qerror: qerror_format(): return an allocated string Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 06/14] qerror: don't delay error message construction Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 07/14] error: " Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 08/14] qerror: add build_error_dict() and error_object_table[] Luiz Capitulino
2012-07-26 12:52   ` Markus Armbruster
2012-07-25 20:50 ` [Qemu-devel] [PATCH 09/14] qerror: qerror_report(): take an index and a human error message Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 10/14] error: error_set(): " Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 11/14] qerror: drop qerror_table[] for good Luiz Capitulino
2012-07-26 12:54   ` Markus Armbruster
2012-07-25 20:50 ` [Qemu-devel] [PATCH 12/14] error: turn QERR_ macros into an enumeration Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 13/14] qerror: change all qerror_report() calls to use the ErrClass enum Luiz Capitulino
2012-07-25 20:50 ` [Qemu-devel] [PATCH 14/14] error: change all error_set() " Luiz Capitulino
2012-07-26  2:43 ` [Qemu-devel] [RFC 00/14]: add printf-like human msg to error_set() Anthony Liguori
2012-07-26  9:45   ` Kevin Wolf [this message]
2012-07-26 12:41     ` Anthony Liguori
2012-07-26 14:12       ` Luiz Capitulino
2012-07-26 15:05         ` Anthony Liguori
2012-07-26 15:52           ` Markus Armbruster
2012-07-26 14:40       ` Kevin Wolf
2012-07-26 15:20         ` Anthony Liguori
2012-07-26 16:12   ` Daniel P. Berrange
2012-07-26 16:38     ` Markus Armbruster
2012-07-26 15:54 ` Markus Armbruster
2012-07-26 16:03   ` Paolo Bonzini
2012-07-26 16:37     ` Luiz Capitulino
2012-07-27 13:17       ` Andreas Färber
2012-07-27 13:45         ` Anthony Liguori
2012-07-27 14:27         ` Luiz Capitulino

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