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Re: [Qemu-devel] [PATCH 06/20] xen: Simplify halting of first CPU
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH 06/20] xen: Simplify halting of first CPU |
Date: |
Tue, 15 Jan 2013 15:46:46 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130105 Thunderbird/17.0.2 |
Am 15.01.2013 12:03, schrieb Stefano Stabellini:
> On Tue, 15 Jan 2013, Andreas Färber wrote:
>> Use the global first_cpu variable to halt the CPU rather than using a
>> local first_cpu initialized from qemu_get_cpu(0).
>>
>> This will allow to change qemu_get_cpu() return type to CPUState
>> despite use of the CPU_COMMON halted field in the reset handler.
>>
>> Signed-off-by: Andreas Färber <address@hidden>
>
> Acked-by: Stefano Stabellini <address@hidden>
Thanks, but this is already in a pull... I did not see you on IRC
shortly before I applied this as base for the x86 -cpu check/enforce
patches, but we had talked about this change being okay before.
Cheers,
Andreas
>> xen-all.c | 4 +---
>> 1 Datei geändert, 1 Zeile hinzugefügt(+), 3 Zeilen entfernt(-)
>>
>> diff --git a/xen-all.c b/xen-all.c
>> index 19bcfd1..110f958 100644
>> --- a/xen-all.c
>> +++ b/xen-all.c
>> @@ -585,9 +585,7 @@ static void xen_reset_vcpu(void *opaque)
>>
>> void xen_vcpu_init(void)
>> {
>> - CPUArchState *first_cpu;
>> -
>> - if ((first_cpu = qemu_get_cpu(0))) {
>> + if (first_cpu != NULL) {
>> qemu_register_reset(xen_reset_vcpu, first_cpu);
>> xen_reset_vcpu(first_cpu);
>> }
>> --
>> 1.7.10.4
--
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- [Qemu-devel] [PULL] QOM CPUState patch queue 2013-01-15, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 01/20] cpu: Move nr_{cores, threads} fields to CPUState, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 02/20] target-mips: Clean up mips_cpu_map_tc() documentation, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 03/20] cpu: Move numa_node field to CPUState, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 05/20] kvm: Pass CPUState to kvm_init_vcpu(), Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 06/20] xen: Simplify halting of first CPU, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 07/20] exec: Return CPUState from qemu_get_cpu(), Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 08/20] kvm: Add fake KVM constants to avoid #ifdefs on KVM-specific code, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 11/20] target-i386: kvm_check_features_against_host(): Use feature_word_info, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 13/20] target-i386: check/enforce: Check all feature words, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 09/20] target-i386: Disable kvm_mmu by default, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 04/20] cpu: Move cpu_index field to CPUState, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 10/20] target-i386/cpu: Introduce FeatureWord typedefs, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 12/20] target-i386/cpu.c: Add feature name array for ext4_features, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 14/20] target-i386: Move setting defaults out of cpu_x86_parse_featurestr(), Andreas Färber, 2013/01/15