linux-kernel - Re: [PATCH v5 1/2] arm64: kvm: allows kvm cpu hotplug

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Message-ID: <559A964D.30500@arm.com>
Date:	Mon, 06 Jul 2015 15:53:01 +0100
From:	Marc Zyngier <marc.zyngier@....com>
To:	AKASHI Takahiro <takahiro.akashi@...aro.org>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Mark Rutland <Mark.Rutland@....com>
CC:	"christoffer.dall@...aro.org" <christoffer.dall@...aro.org>,
	"geoff@...radead.org" <geoff@...radead.org>,
	"broonie@...nel.org" <broonie@...nel.org>,
	"david.griego@...aro.org" <david.griego@...aro.org>,
	"freddy77@...il.com" <freddy77@...il.com>,
	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Geoff Levand <geoff@...radead.org>
Subject: Re: [PATCH v5 1/2] arm64: kvm: allows kvm cpu hotplug

On 09/06/15 19:00, Marc Zyngier wrote:
> Hi Takahiro,
> 
> On 29/05/15 06:38, AKASHI Takahiro wrote:
>> The current kvm implementation on arm64 does cpu-specific initialization
>> at system boot, and has no way to gracefully shutdown a core in terms of
>> kvm. This prevents, especially, kexec from rebooting the system on a boot
>> core in EL2.
>>
>> This patch adds a cpu tear-down function and also puts an existing cpu-init
>> code into a separate function, kvm_arch_hardware_disable() and
>> kvm_arch_hardware_enable() respectively.
>> We don't need arm64-specific cpu hotplug hook any more.
>>
>> Since this patch modifies common part of code between arm and arm64, one
>> stub definition, __cpu_reset_hyp_mode(), is added on arm side to avoid
>> compiling errors.
>>
>> Signed-off-by: AKASHI Takahiro <takahiro.akashi@...aro.org>
> 
> This is starting to look good. Any chance you or Geoff could repost the
> whole series? This would help getting a better view of the whole thing,
> and hopefully put it on track for 4.3.

So this has now been a whole month since I reviewed this, and I haven't
seen any repost of this series. Any hope to see this within a reasonable
time frame? Or is it considered dead already?

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...
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