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From: "Andreas Färber" <afaerber@suse.de>
To: Eduardo Habkost <ehabkost@redhat.com>, qemu-devel@nongnu.org
Cc: Gu Zheng <guz.fnst@cn.fujitsu.com>,
	Peter Maydell <peter.maydell@linaro.org>,
	Igor Mammedov <imammedo@redhat.com>,
	Riku Voipio <riku.voipio@iki.fi>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v4 2/5] target-i386: Remove unused APIC ID default code
Date: Thu, 05 Mar 2015 19:35:17 +0100	[thread overview]
Message-ID: <54F8A1E5.6000407@suse.de> (raw)
In-Reply-To: <20150305134345.GE13041@thinpad.lan.raisama.net>

Am 05.03.2015 um 14:43 schrieb Eduardo Habkost:
> On Tue, Mar 03, 2015 at 11:13:41PM -0300, Eduardo Habkost wrote:
>> The existing apic_id = cpu_index code has no visible effect: the PC code
>> already initializes the APIC ID according to the topology on
>> pc_new_cpu(), and linux-user memcpy()s the CPU state (including
>> cpuid_apic_id) on cpu_copy().
>>
>> Remove the dead code and simply let APIC ID to to be 0 by default. This
>> doesn't change behavior of PC because apic-id is already explicitly set,
>> and doesn't affect linux-user because APIC ID was already always 0.
>>
>> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> 
> This patch is holding the rest of the series, so a Reviewed-by or
> Acked-by would be welcome.
> 
> This change removes the 254-CPU limit from {i386,x86_64}-linux-user that
> Peter and I discussed previously.

Reviewed-by: Andreas Färber <afaerber@suse.de>

Are you going to send a new pull for the 2 plus these 5 now?

Thanks,
Andreas

-- 
SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu,
Graham Norton; HRB 21284 (AG Nürnberg)

  parent reply	other threads:[~2015-03-05 18:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-04  2:13 [Qemu-devel] [PATCH v4 0/5] target-i386: Simplify APIC ID initialization, move compat code to pc.c Eduardo Habkost
2015-03-04  2:13 ` [Qemu-devel] [PATCH v4 1/5] target-i386: Move topology.h to include/hw/i386 Eduardo Habkost
2015-03-04  2:13 ` [Qemu-devel] [PATCH v4 2/5] target-i386: Remove unused APIC ID default code Eduardo Habkost
2015-03-05 13:43   ` Eduardo Habkost
2015-03-05 13:46     ` Paolo Bonzini
2015-03-05 18:35     ` Andreas Färber [this message]
2015-03-05 18:46       ` Eduardo Habkost
2015-03-06 20:27         ` Eduardo Habkost
2015-03-04  2:13 ` [Qemu-devel] [PATCH v4 3/5] target-i386: Move CPUX86State.cpuid_apic_id to X86CPU.apic_id Eduardo Habkost
2015-03-04 14:20   ` Andreas Färber
2015-03-04 15:02     ` Eduardo Habkost
2015-03-04  2:13 ` [Qemu-devel] [PATCH v4 4/5] target-i386: Move APIC ID compatibility code to pc.c Eduardo Habkost
2015-03-05  0:32   ` Andreas Färber
2015-03-05 13:37     ` Eduardo Habkost
2015-03-05 15:47       ` Andreas Färber
2015-03-06 15:29         ` Eduardo Habkost
2015-03-04  2:13 ` [Qemu-devel] [PATCH v4 5/5] target-i386: Require APIC ID to be explicitly set before CPU realize Eduardo Habkost
2015-03-05  0:22   ` Andreas Färber

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