From: "Andreas Färber" <afaerber@suse.de>
To: Igor Mammedov <imammedo@redhat.com>
Cc: aliguori@us.ibm.com, Eduardo Habkost <ehabkost@redhat.com>,
claudio.fontana@huawei.com, qemu-devel@nongnu.org,
aderumier@odiso.com, lcapitulino@redhat.com,
jfrei@linux.vnet.ibm.com, yang.z.zhang@intel.com,
Paolo Bonzini <pbonzini@redhat.com>,
lig.fnst@cn.fujitsu.com, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH 03/22] target-i386: split out CPU creation and features parsing into cpu_x86_create()
Date: Tue, 09 Apr 2013 16:02:29 +0200 [thread overview]
Message-ID: <51641F75.3040709@suse.de> (raw)
In-Reply-To: <20130409123347.33fb0a1b@nial.usersys.redhat.com>
Am 09.04.2013 12:33, schrieb Igor Mammedov:
> On Tue, 09 Apr 2013 12:30:21 +0200
> Paolo Bonzini <pbonzini@redhat.com> wrote:
>
>> Il 08/04/2013 20:30, Eduardo Habkost ha scritto:
>>>>> - cpu_x86_register(cpu, name, &error);
>>>>> - if (error) {
>>>>> + cpu_x86_register(cpu, name, errp);
>>>>> + if (error_is_set(errp)) {
>>> So the function now does error checking properly if and only if errp is
>>> not NULL. Do we really want to do that?
>>
>> No, using error_propagate is the correct idiom indeed.
> Ok, I'll use error_propagate() in next version.
I remember accepting some CPU refactoring patch but asking you to fix up
the same issue as follow-up - I don't remember having received a single
fix-up patch, could you please check on whether that is hidden in some
series or still missing? Thanks!
Andreas
>
>>
>> Paolo
>>
>>>>> goto out;
>>>>> }
>>>>>
>>>>> - cpu_x86_parse_featurestr(cpu, features, &error);
>>>>> - if (error) {
>>>>> + cpu_x86_parse_featurestr(cpu, features, errp);
>>>>> + if (error_is_set(errp)) {
>>>>> goto out;
>>>>> }
>>>>>
>>>>> - object_property_set_bool(OBJECT(cpu), true, "realized", &error);
>>>>> +out:
>>>>> + g_strfreev(model_pieces);
>>> Any specific reason you didn't choose to keep 'Error *error = NULL'
>>> inside cpu_x86_create() as well, and use error_propagate() here? I
>>> believe it would make the patch simpler and easier to review, and at the
>>> same time make cpu_x86_init() check for errors properly even if errp is
>>> NULL. This is the opposite of what you did on x86_cpu_realizefn() at
>>> patch 01/22.
>>
>
--
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GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
next prev parent reply other threads:[~2013-04-09 14:02 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-05 14:36 [Qemu-devel] [PATCH 00/22 v2] target-i386: CPU hot-add with cpu-add QMP command Igor Mammedov
2013-04-05 14:36 ` [Qemu-devel] [PATCH 01/22] target-i386: consolidate error propagation in x86_cpu_realizefn() Igor Mammedov
2013-04-09 17:42 ` Andreas Färber
2013-04-05 14:36 ` [Qemu-devel] [PATCH 02/22] target-i386: split APIC creation from initialization " Igor Mammedov
2013-04-08 2:26 ` li guang
2013-04-08 18:16 ` Eduardo Habkost
2013-04-09 18:52 ` Andreas Färber
2013-04-05 14:36 ` [Qemu-devel] [PATCH 03/22] target-i386: split out CPU creation and features parsing into cpu_x86_create() Igor Mammedov
2013-04-08 18:30 ` Eduardo Habkost
2013-04-09 10:30 ` Paolo Bonzini
2013-04-09 10:33 ` Igor Mammedov
2013-04-09 14:02 ` Andreas Färber [this message]
2013-04-05 14:36 ` [Qemu-devel] [PATCH 04/22] cpu: Pass CPUState to *cpu_synchronize_post*() Igor Mammedov
2013-04-08 19:38 ` Eduardo Habkost
2013-04-05 14:36 ` [Qemu-devel] [PATCH 05/22] cpu: call cpu_synchronize_post_init() from CPUClass.realize() if hotplugged Igor Mammedov
2013-04-08 19:45 ` Eduardo Habkost
2013-04-09 10:13 ` Igor Mammedov
2013-04-09 11:17 ` Paolo Bonzini
2013-04-09 11:15 ` Paolo Bonzini
2013-04-05 14:36 ` [Qemu-devel] [PATCH 06/22] cpu: introduce CPUClass.resume() method Igor Mammedov
2013-04-08 2:27 ` li guang
2013-04-08 20:13 ` Eduardo Habkost
2013-04-09 10:26 ` Igor Mammedov
2013-04-09 13:21 ` Andreas Färber
2013-04-09 11:20 ` Paolo Bonzini
2013-04-10 12:57 ` Igor Mammedov
2013-04-05 14:36 ` [Qemu-devel] [PATCH 07/22] target-i386: kvmvapic: replace FROM_SYSBUS() with QOM type cast Igor Mammedov
2013-04-10 17:54 ` Andreas Färber
2013-04-05 14:37 ` [Qemu-devel] [PATCH 08/22] target-i386: ioapic: " Igor Mammedov
2013-04-08 2:13 ` li guang
2013-04-08 11:32 ` Igor Mammedov
2013-04-09 11:36 ` Paolo Bonzini
2013-04-10 0:21 ` li guang
2013-04-10 8:06 ` Paolo Bonzini
2013-04-10 16:12 ` Igor Mammedov
2013-04-10 18:12 ` Andreas Färber
2013-04-10 17:58 ` Andreas Färber
2013-04-05 14:37 ` [Qemu-devel] [PATCH 09/22] introduce CPU hot-plug notifier Igor Mammedov
2013-04-09 11:23 ` Paolo Bonzini
2013-04-05 14:37 ` [Qemu-devel] [PATCH 10/22] rtc: update rtc_cmos on CPU hot-plug Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 11/22] cpu: introduce get_firmware_id() method and override it for target-i386 Igor Mammedov
2013-04-08 2:02 ` li guang
2013-04-08 11:41 ` Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 12/22] cpu: add helper cpu_exists(), to check if CPU with specified id exists Igor Mammedov
2013-04-09 11:25 ` Paolo Bonzini
2013-04-05 14:37 ` [Qemu-devel] [PATCH 13/22] acpi_piix4: add infrastructure to send CPU hot-plug GPE to guest Igor Mammedov
2013-04-08 2:24 ` li guang
2013-04-08 11:47 ` Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 14/22] target-i386: introduce apic-id property Igor Mammedov
2013-04-09 11:26 ` Paolo Bonzini
2013-04-05 14:37 ` [Qemu-devel] [PATCH 15/22] introduce ICC bus/device/bridge Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 16/22] target-i386: cpu: attach ICC bus to CPU on its creation Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 17/22] target-i386: replace MSI_SPACE_SIZE with APIC_SPACE_SIZE Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 18/22] target-i386: move APIC to ICC bus Igor Mammedov
2013-04-05 16:15 ` Eduardo Habkost
2013-04-05 22:23 ` Igor Mammedov
2013-04-05 22:31 ` Igor Mammedov
2013-04-09 11:29 ` Paolo Bonzini
2013-04-05 14:37 ` [Qemu-devel] [PATCH 18/22] target-i386: move IOAPIC " Igor Mammedov
2013-04-09 11:33 ` Paolo Bonzini
2013-04-09 12:51 ` Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 19/22] target-i386: move APIC " Igor Mammedov
2013-04-09 12:47 ` Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 19/22] target-i386: move IOAPIC " Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 20/22] qdev: set device's parent before calling realize() down inheritance chain Igor Mammedov
2013-04-09 11:34 ` Paolo Bonzini
2013-04-05 14:37 ` [Qemu-devel] [PATCH 21/22] target-i386: expose all possible CPUs as /machine/icc-bridge/cpu[0..N] links Igor Mammedov
2013-04-05 14:37 ` [Qemu-devel] [PATCH 22/22] add cpu-add qmp command and implement CPU hot-add for target-i386 Igor Mammedov
2013-04-05 17:10 ` Eduardo Habkost
2013-04-05 17:24 ` Eduardo Habkost
2013-04-11 15:17 ` Igor Mammedov
2013-04-11 15:49 ` Eduardo Habkost
2013-04-09 20:19 ` Igor Mammedov
2013-04-09 20:46 ` Eduardo Habkost
2013-04-09 21:05 ` Igor Mammedov
2013-04-11 15:12 ` Eduardo Habkost
2013-04-11 15:37 ` Igor Mammedov
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