From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Tue, 09 Jun 2015 19:00:00 +0100 Subject: [PATCH v5 1/2] arm64: kvm: allows kvm cpu hotplug In-Reply-To: <1432877920-12527-2-git-send-email-takahiro.akashi@linaro.org> References: <1432877920-12527-1-git-send-email-takahiro.akashi@linaro.org> <1432877920-12527-2-git-send-email-takahiro.akashi@linaro.org> Message-ID: <557729A0.1030700@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 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. Thanks, M. -- Jazz is not dead. It just smells funny...