From: Marc Zyngier <maz@kernel.org>
To: isaku.yamahata@intel.com
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <seanjc@google.com>,
Will Deacon <will@kernel.org>,
Yuan Yao <yuan.yao@linux.intel.com>,
isaku.yamahata@gmail.com, Kai Huang <kai.huang@intel.com>,
Chao Gao <chao.gao@intel.com>,
Atish Patra <atishp@atishpatra.org>,
Shaokun Zhang <zhangshaokun@hisilicon.com>,
Qi Liu <liuqi115@huawei.com>, John Garry <john.garry@huawei.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Huang Ying <ying.huang@intel.com>,
Huacai Chen <chenhuacai@kernel.org>
Subject: Re: [PATCH v4 06/26] KVM: arm64: Simplify the CPUHP logic
Date: Mon, 12 Sep 2022 16:07:02 +0100 [thread overview]
Message-ID: <877d28ocmh.wl-maz@kernel.org> (raw)
In-Reply-To: <2b74ba0aa514e3e86c4513d12614664002996067.1662679124.git.isaku.yamahata@intel.com>
On Fri, 09 Sep 2022 00:25:22 +0100,
isaku.yamahata@intel.com wrote:
>
> From: Marc Zyngier <maz@kernel.org>
>
> For a number of historical reasons, the KVM/arm64 hotplug setup is pretty
> complicated, and we have two extra CPUHP notifiers for vGIC and timers.
>
> It looks pretty pointless, and gets in the way of further changes.
> So let's just expose some helpers that can be called from the core
> CPUHP callback, and get rid of everything else.
>
> This gives us the opportunity to drop a useless notifier entry,
> as well as tidy-up the timer enable/disable, which was a bit odd.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> Signed-off-by: Chao Gao <chao.gao@intel.com>
> Link: https://lore.kernel.org/r/20220216031528.92558-5-chao.gao@intel.com
> Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Since this patch is substantially different from the version pointed
to on the list, please drop Chao's SoB and the Link: tag, as they are
not relevant anymore.
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2022-09-12 15:07 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-08 23:25 [PATCH v4 00/26] KVM: hardware enable/disable reorganize isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 01/26] KVM: x86: Drop kvm_user_return_msr_cpu_online() isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 02/26] KVM: x86: Use this_cpu_ptr() instead of per_cpu_ptr(smp_processor_id()) isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 03/26] KVM: x86: Move check_processor_compatibility from init ops to runtime ops isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 04/26] Partially revert "KVM: Pass kvm_init()'s opaque param to additional arch funcs" isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 05/26] KVM: Provide more information in kernel log if hardware enabling fails isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 06/26] KVM: arm64: Simplify the CPUHP logic isaku.yamahata
2022-09-12 15:07 ` Marc Zyngier [this message]
2022-09-08 23:25 ` [PATCH v4 07/26] KVM: Rename and move CPUHP_AP_KVM_STARTING to ONLINE section isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 08/26] KVM: Do compatibility checks on hotplugged CPUs isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 09/26] KVM: Do processor compatibility check on resume isaku.yamahata
2022-09-09 2:15 ` Chao Gao
2022-09-10 17:59 ` Isaku Yamahata
2022-09-08 23:25 ` [PATCH v4 10/26] KVM: Drop kvm_count_lock and instead protect kvm_usage_count with kvm_lock isaku.yamahata
2022-09-09 3:05 ` Chao Gao
2022-09-10 18:11 ` Isaku Yamahata
2022-09-08 23:25 ` [PATCH v4 11/26] KVM: Add arch hooks for PM events with empty stub isaku.yamahata
2022-09-09 4:34 ` Chao Gao
2022-09-11 2:39 ` Isaku Yamahata
2022-09-08 23:25 ` [PATCH v4 12/26] KVM: x86: Move TSC fixup logic to KVM arch resume callback isaku.yamahata
2022-09-09 5:48 ` Chao Gao
2022-09-11 2:45 ` Isaku Yamahata
2022-09-08 23:25 ` [PATCH v4 13/26] KVM: Add arch hook when VM is added/deleted isaku.yamahata
2022-09-09 6:08 ` Chao Gao
2022-09-11 2:50 ` Isaku Yamahata
2022-09-08 23:25 ` [PATCH v4 14/26] KVM: Move out KVM arch PM hooks and hardware enable/disable logic isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 15/26] KVM: kvm_arch.c: Remove _nolock post fix isaku.yamahata
2022-09-09 6:30 ` Chao Gao
2022-09-08 23:25 ` [PATCH v4 16/26] KVM: kvm_arch.c: Remove a global variable, hardware_enable_failed isaku.yamahata
2022-09-09 6:54 ` Chao Gao
2022-09-11 3:00 ` Isaku Yamahata
2022-09-08 23:25 ` [PATCH v4 17/26] KVM: Introduce a arch wrapper to check all processor compatibility isaku.yamahata
2022-09-09 7:32 ` Chao Gao
2022-09-08 23:25 ` [PATCH v4 18/26] KVM: x86: Duplicate arch callbacks related to pm events and compat check isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 19/26] KVM: Eliminate kvm_arch_post_init_vm() isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 20/26] KVM: Add config to not compile kvm_arch.c isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 21/26] KVM: x86: Delete kvm_arch_hardware_enable/disable() isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 22/26] KVM: x86: Make x86 processor compat check callback empty isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 23/26] RFC: KVM: powerpc: Move processor compatibility check to hardware setup isaku.yamahata
2022-09-09 5:55 ` Christophe Leroy
2022-09-10 1:39 ` Isaku Yamahata
2022-09-08 23:25 ` [PATCH v4 24/26] KVM: Eliminate kvm_arch_check_processor_compat() isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 25/26] RFC: KVM: x86: Remove cpus_hardware_enabled and related sanity check isaku.yamahata
2022-09-08 23:25 ` [PATCH v4 26/26] RFC: KVM: " isaku.yamahata
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=877d28ocmh.wl-maz@kernel.org \
--to=maz@kernel.org \
--cc=atishp@atishpatra.org \
--cc=chao.gao@intel.com \
--cc=chenhuacai@kernel.org \
--cc=daniel.lezcano@linaro.org \
--cc=isaku.yamahata@gmail.com \
--cc=isaku.yamahata@intel.com \
--cc=john.garry@huawei.com \
--cc=kai.huang@intel.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=liuqi115@huawei.com \
--cc=pbonzini@redhat.com \
--cc=seanjc@google.com \
--cc=will@kernel.org \
--cc=ying.huang@intel.com \
--cc=yuan.yao@linux.intel.com \
--cc=zhangshaokun@hisilicon.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox