From: "Zhang, Rui" <rui.zhang@intel.com>
To: "bp@alien8.de" <bp@alien8.de>
Cc: "Brown, Len" <len.brown@intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"rafael@kernel.org" <rafael@kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"pavel@ucw.cz" <pavel@ucw.cz>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"mario.limonciello@amd.com" <mario.limonciello@amd.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"eric.devolder@oracle.com" <eric.devolder@oracle.com>
Subject: Re: [PATCH] x86/ACPI/boot: Use FADT version to check support for online capable
Date: Thu, 30 Mar 2023 09:29:01 +0000 [thread overview]
Message-ID: <03ff7ae227378f5cb422c35dbbbb02075164a9bc.camel@intel.com> (raw)
In-Reply-To: <20230330084123.GBZCVLM8Wz8fBsKr7z@fat_crate.local>
On Thu, 2023-03-30 at 10:41 +0200, Borislav Petkov wrote:
> On Thu, Mar 30, 2023 at 01:10:07AM +0000, Zhang, Rui wrote:
> > In https://uefi.org/sites/default/files/resources/ACPI_6_2.pdf,
> > MADT revision is 4.
> >
> > In
> > https://uefi.org/sites/default/files/resources/ACPI%206_2_A_Sept29.pdf,
> > MADT revision is 45.
>
> This is a hack to fix some ACPI erratum or whatever.
>
> > In
> > https://uefi.org/sites/default/files/resources/ACPI_6_2_B_final_Jan30.pdf
> > MADT revision is 5.
> >
> > So you probably mean 6.2a has MADT revision "45" here?
>
> No, forget MADT.
>
> The thing should check whether the ACPI revision is 6.3. And this is
> what it does below.
Yes, I agree.
As the original changelog mentioned that "ACPI spec 6.2b has MADT
revision 45", I was just checking if that statement is accurate or not.
thanks,
rui
next prev parent reply other threads:[~2023-03-30 9:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-29 17:45 [PATCH] x86/ACPI/boot: Use FADT version to check support for online capable Mario Limonciello
2023-03-30 1:10 ` Zhang, Rui
2023-03-30 8:41 ` Borislav Petkov
2023-03-30 9:29 ` Zhang, Rui [this message]
2023-03-30 18:23 ` Rafael J. Wysocki
2023-03-30 18:39 ` Borislav Petkov
2023-03-30 18:51 ` Limonciello, Mario
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=03ff7ae227378f5cb422c35dbbbb02075164a9bc.camel@intel.com \
--to=rui.zhang@intel.com \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=eric.devolder@oracle.com \
--cc=hpa@zytor.com \
--cc=len.brown@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=mario.limonciello@amd.com \
--cc=mingo@redhat.com \
--cc=pavel@ucw.cz \
--cc=rafael@kernel.org \
--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