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Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at e
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space |
Date: |
Mon, 24 Aug 2015 15:56:56 +0100 |
On 24 August 2015 at 01:55, Paolo Bonzini <address@hidden> wrote:
>
>
> On 21/08/2015 15:54, Eduardo Habkost wrote:
>> > + if (tcg_enabled()) {
>> > + memory_region_add_subregion_overlap(cpu->cpu_as_root,
>> > + apic->apicbase &
>> > + MSR_IA32_APICBASE_BASE,
>> > + &apic->io_memory,
>> > + 0x1000);
>>
>> Why exactly is this necessary? If this is necessary, why don't we need
>> to do this for non-TCG accelerators?
>
> At least KVM and qtest do not support per-CPU address spaces.
Right, but given this restriction why can't we also do whatever
we need to work without the per-CPU address spaces with TCG?
thanks
-- PMM
- [Qemu-devel] [RESEND PATCH v9 0/4] remove icc bus/bridge, Zhu Guihua, 2015/08/19
- [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space, Zhu Guihua, 2015/08/19
- Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space, Eduardo Habkost, 2015/08/21
- Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space, Paolo Bonzini, 2015/08/24
- Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space,
Peter Maydell <=
- Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space, Eduardo Habkost, 2015/08/26
- Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space, Paolo Bonzini, 2015/08/26
- Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space, Eduardo Habkost, 2015/08/26
- Re: [Qemu-devel] [RESEND PATCH v9 1/4] apic: map APIC's MMIO region at each CPU's address space, Zhu Guihua, 2015/08/27
[Qemu-devel] [RESEND PATCH v9 2/4] x86: use new method to correct reset sequence, Zhu Guihua, 2015/08/19
[Qemu-devel] [RESEND PATCH v9 3/4] cpu/apic: drop icc bus/bridge, Zhu Guihua, 2015/08/19
[Qemu-devel] [RESEND PATCH v9 4/4] icc_bus: drop the unused files, Zhu Guihua, 2015/08/19