Re: [PATCH v2 00/26] x86, irq: support ioapic device hotplug

2013-02-12 Thread Yinghai Lu
On Mon, Feb 11, 2013 at 10:10 PM, H. Peter Anvin wrote: > On 02/11/2013 01:34 AM, Ingo Molnar wrote: >> >> * Yinghai Lu wrote: >> >>> Hi, >>> >>> Current x86 code does not support iapic hotplug yet. >> >> Please give a better high-level description: outline how an >> IO-APIC will be hotplugged

Re: [PATCH v2 00/26] x86, irq: support ioapic device hotplug

2013-02-12 Thread Yinghai Lu
On Mon, Feb 11, 2013 at 10:10 PM, H. Peter Anvin h...@zytor.com wrote: On 02/11/2013 01:34 AM, Ingo Molnar wrote: * Yinghai Lu ying...@kernel.org wrote: Hi, Current x86 code does not support iapic hotplug yet. Please give a better high-level description: outline how an IO-APIC will be

Re: [PATCH v2 00/26] x86, irq: support ioapic device hotplug

2013-02-11 Thread H. Peter Anvin
On 02/11/2013 01:34 AM, Ingo Molnar wrote: > > * Yinghai Lu wrote: > >> Hi, >> >> Current x86 code does not support iapic hotplug yet. > > Please give a better high-level description: outline how an > IO-APIC will be hotplugged physically and what changes the > user will experience. > >

Re: [PATCH v2 00/26] x86, irq: support ioapic device hotplug

2013-02-11 Thread Ingo Molnar
* Yinghai Lu wrote: > Hi, > > Current x86 code does not support iapic hotplug yet. Please give a better high-level description: outline how an IO-APIC will be hotplugged physically and what changes the user will experience. That needs at least 2 paragraphs, not one cursory sentence. Then

Re: [PATCH v2 00/26] x86, irq: support ioapic device hotplug

2013-02-11 Thread Ingo Molnar
* Yinghai Lu ying...@kernel.org wrote: Hi, Current x86 code does not support iapic hotplug yet. Please give a better high-level description: outline how an IO-APIC will be hotplugged physically and what changes the user will experience. That needs at least 2 paragraphs, not one cursory

Re: [PATCH v2 00/26] x86, irq: support ioapic device hotplug

2013-02-11 Thread H. Peter Anvin
On 02/11/2013 01:34 AM, Ingo Molnar wrote: * Yinghai Lu ying...@kernel.org wrote: Hi, Current x86 code does not support iapic hotplug yet. Please give a better high-level description: outline how an IO-APIC will be hotplugged physically and what changes the user will experience.

[PATCH v2 00/26] x86, irq: support ioapic device hotplug

2013-02-08 Thread Yinghai Lu
Hi, Current x86 code does not support iapic hotplug yet. This patcheset will try to pre-reserve irq block in allocated_irqs bitmap. for hot add ioapic controller, also record irq_base in gsi_config, so later could use it to convert gsi to irq for pci device using that ioapic controller. Need to

[PATCH v2 00/26] x86, irq: support ioapic device hotplug

2013-02-08 Thread Yinghai Lu
Hi, Current x86 code does not support iapic hotplug yet. This patcheset will try to pre-reserve irq block in allocated_irqs bitmap. for hot add ioapic controller, also record irq_base in gsi_config, so later could use it to convert gsi to irq for pci device using that ioapic controller. Need to