From: "Kuppuswamy, Sathyanarayanan" <sathyanarayanan.kuppuswamy@linux.intel.com>
To: "Mika Penttilä" <mika.penttila@nextfour.com>,
"Rafael J Wysocki" <rjw@rjwysocki.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Ingo Molnar" <mingo@redhat.com>,
"H . Peter Anvin" <hpa@zytor.com>,
"Peter Zijlstra" <peterz@infradead.org>
Cc: Len Brown <lenb@kernel.org>,
Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
Sean Christopherson <seanjc@google.com>,
Andi Kleen <ak@linux.intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 1/1] x86/acpi, x86/boot: Add multiprocessor wake-up support
Date: Mon, 24 May 2021 06:42:53 -0700 [thread overview]
Message-ID: <0a663bde-c301-d326-2b19-ca52719a5855@linux.intel.com> (raw)
In-Reply-To: <4295dab3-7675-9146-ac6e-244704ecfcca@nextfour.com>
On 5/23/21 11:40 PM, Mika Penttilä wrote:
>
> So this isn't supporting suspend/resume if AP cannot started again?
Yes. You are correct. It can be used only once per AP. Please find the
spec reference below.
/*
* According to the ACPI specification r6.4, sec 5.2.12.19, the
* mailbox-based wakeup mechanism cannot be used more than once
* for the same CPU, so skip sending wake commands to already
* awake CPU.
*/
--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer
next prev parent reply other threads:[~2021-05-24 13:43 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-26 2:39 [PATCH v3 0/3] Add multiprocessor wake-up support Kuppuswamy Sathyanarayanan
2021-04-26 2:39 ` [PATCH v3 1/3] ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure Kuppuswamy Sathyanarayanan
2021-04-26 2:39 ` [PATCH v3 2/3] ACPI/table: Print MADT Wake table information Kuppuswamy Sathyanarayanan
2021-04-26 2:39 ` [PATCH v3 3/3] x86/acpi, x86/boot: Add multiprocessor wake-up support Kuppuswamy Sathyanarayanan
2021-05-10 16:32 ` Kuppuswamy, Sathyanarayanan
2021-05-10 16:55 ` Rafael J. Wysocki
2021-05-10 17:10 ` Kuppuswamy, Sathyanarayanan
2021-05-10 17:22 ` Andi Kleen
2021-05-10 17:24 ` Rafael J. Wysocki
2021-05-10 21:15 ` Kuppuswamy, Sathyanarayanan
2021-05-11 10:45 ` Rafael J. Wysocki
2021-05-13 21:37 ` [PATCH v4 1/1] " Kuppuswamy Sathyanarayanan
2021-05-21 14:18 ` Kuppuswamy, Sathyanarayanan
2021-05-21 14:45 ` Peter Zijlstra
2021-05-21 15:14 ` Kuppuswamy, Sathyanarayanan
2021-05-24 6:02 ` [PATCH v5 " Kuppuswamy Sathyanarayanan
2021-05-24 6:40 ` Mika Penttilä
2021-05-24 13:42 ` Kuppuswamy, Sathyanarayanan [this message]
2021-05-24 14:51 ` Rafael J. Wysocki
2021-05-24 15:35 ` Kuppuswamy, Sathyanarayanan
2021-05-10 17:23 ` [PATCH v3 3/3] " Rafael J. Wysocki
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=0a663bde-c301-d326-2b19-ca52719a5855@linux.intel.com \
--to=sathyanarayanan.kuppuswamy@linux.intel.com \
--cc=ak@linux.intel.com \
--cc=hpa@zytor.com \
--cc=knsathya@kernel.org \
--cc=lenb@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mika.penttila@nextfour.com \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=rjw@rjwysocki.net \
--cc=seanjc@google.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/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