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From: Borislav Petkov <bp@alien8.de>
To: Tom Lendacky <thomas.lendacky@amd.com>,
	"Woodhouse, David" <dwmw@amazon.co.uk>,
	"usama.arif@bytedance.com" <usama.arif@bytedance.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"brgerst@gmail.com" <brgerst@gmail.com>,
	"arjan@linux.intel.com" <arjan@linux.intel.com>,
	"hewenliang4@huawei.com" <hewenliang4@huawei.com>,
	"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
	"simon.evans@bytedance.com" <simon.evans@bytedance.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"oleksandr@natalenko.name" <oleksandr@natalenko.name>,
	"kim.phillips@amd.com" <kim.phillips@amd.com>,
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	"rcu@vger.kernel.org" <rcu@vger.kernel.org>,
	"x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH v16 8/8] x86/smpboot: Allow parallel bringup for SEV-ES
Date: Thu, 23 Mar 2023 23:13:22 +0100	[thread overview]
Message-ID: <5D59D19F-8085-4638-96A2-4DCE00D2217E@alien8.de> (raw)
In-Reply-To: <19ec60aa-fa11-c44e-a6d1-9583f2e7707a@amd.com>

On March 23, 2023 7:28:38 PM GMT+01:00, Tom Lendacky <thomas.lendacky@amd.com> wrote:
>
>I agree. But once it's there, someone somewhere in the future may look and go, oh, I can call this. So I think it either needs a nice comment above it about how it is currently used/called and what to do if it needs to be called from someplace other than head_64.S or the MSR needs to be saved/restored.

Or it could be __init and get discarded when the system is up.

-- 
Sent from a small device: formatting sucks and brevity is inevitable.

  reply	other threads:[~2023-03-23 22:13 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-21 19:40 [PATCH v16 0/8] Parallel CPU bringup for x86_64 Usama Arif
2023-03-21 19:40 ` [PATCH v16 1/8] cpu/hotplug: Move idle_thread_get() to <linux/smpboot.h> Usama Arif
2023-03-21 19:40 ` [PATCH v16 2/8] cpu/hotplug: Reset task stack state in _cpu_up() Usama Arif
2023-03-22 11:06   ` Mark Rutland
2023-03-21 19:40 ` [PATCH v16 3/8] cpu/hotplug: Add dynamic parallel bringup states before CPUHP_BRINGUP_CPU Usama Arif
2023-03-23 22:36   ` Thomas Gleixner
2023-03-23 22:49     ` David Woodhouse
2023-03-23 23:48       ` Thomas Gleixner
2023-03-24  0:06         ` David Woodhouse
2023-03-23 23:05     ` Thomas Gleixner
2023-03-23 23:12       ` David Woodhouse
2023-03-24  1:16         ` Thomas Gleixner
2023-03-24  9:31           ` David Woodhouse
2023-03-24 13:57             ` Thomas Gleixner
2023-03-24 15:33               ` David Woodhouse
2023-03-24 14:07             ` Thomas Gleixner
2023-03-24  9:46           ` Thomas Gleixner
2023-03-24 10:00             ` David Woodhouse
2023-03-27 18:48       ` David Woodhouse
2023-03-21 19:40 ` [PATCH v16 4/8] x86/smpboot: Split up native_cpu_up into separate phases and document them Usama Arif
2023-03-21 19:40 ` [PATCH v16 5/8] x86/smpboot: Support parallel startup of secondary CPUs Usama Arif
2023-03-21 19:40 ` [PATCH v16 6/8] x86/smpboot: Send INIT/SIPI/SIPI to secondary CPUs in parallel Usama Arif
2023-03-21 19:40 ` [PATCH v16 7/8] x86/smpboot: Serialize topology updates for secondary bringup Usama Arif
2023-03-21 19:40 ` [PATCH v16 8/8] x86/smpboot: Allow parallel bringup for SEV-ES Usama Arif
2023-03-22 22:47   ` Borislav Petkov
2023-03-23  8:32     ` David Woodhouse
2023-03-23  8:51       ` Borislav Petkov
2023-03-23  9:04         ` David Woodhouse
2023-03-23 14:23           ` Brian Gerst
2023-03-27 17:47             ` Borislav Petkov
2023-03-27 18:14               ` David Woodhouse
2023-03-27 19:14                 ` Tom Lendacky
2023-03-27 19:32                 ` Borislav Petkov
2023-03-23 13:16     ` Tom Lendacky
     [not found]       ` <751f572f940220775054dc09324b20b929d7d66d.camel@amazon.co.uk>
2023-03-23 18:28         ` Tom Lendacky
2023-03-23 22:13           ` Borislav Petkov [this message]
2023-03-23 22:30             ` [EXTERNAL][PATCH " David Woodhouse

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