From: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
linux-kernel@vger.kernel.org, x86@kernel.org
Subject: Re: x86/amd late microcode thread loading slows down boot
Date: Mon, 18 Nov 2024 16:13:52 +0100 [thread overview]
Message-ID: <ZztZsCgX45rrMOVD@antipodes> (raw)
In-Reply-To: <20241115205114.GCZze0QtUKbeXdFEHe@fat_crate.local>
On Fri, Nov 15, 2024 at 09:51:14PM +0100, Borislav Petkov wrote:
>
> On Thu, Nov 14, 2024 at 12:03:41PM +0000, Andrew Cooper wrote:
[...]
> > However, these blobs are 3200 bytes long and come with a good chance of
> > crossing a page boundary. If you're invlpg'ing, you need to issue a
> > second one for the final byte of the image too.
>
> Right, see below. It works here, Thomas you could give it a try too.
Thanks, I tested this version successfully.
I hadn't included the 'size - 1' fix yet but I don't think this could influence
my test negatively.
Please go ahead with the final patch.
Will it be backported to the 6.6.x branch?
Thanks,
Thomas
next prev parent reply other threads:[~2024-11-18 15:13 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-06 17:20 x86/amd late microcode thread loading slows down boot Thomas De Schampheleire
2024-11-06 18:50 ` Andrew Cooper
2024-11-07 15:30 ` Borislav Petkov
2024-11-07 20:58 ` Thomas De Schampheleire
2024-11-14 9:56 ` Borislav Petkov
2024-11-14 12:03 ` Andrew Cooper
2024-11-15 20:51 ` Borislav Petkov
2024-11-16 19:32 ` Andrew Cooper
2024-11-17 18:23 ` David Laight
2024-11-17 19:52 ` Borislav Petkov
2024-11-18 15:13 ` Thomas De Schampheleire [this message]
2024-11-18 15:28 ` Borislav Petkov
2024-11-18 15:58 ` Thomas De Schampheleire
2024-11-19 10:46 ` Thomas De Schampheleire
2024-11-19 11:17 ` Borislav Petkov
2024-11-18 19:16 ` Borislav Petkov
2024-11-14 20:01 ` Thomas De Schampheleire
2024-11-19 11:21 ` [PATCH 1/2] x86/mm: Carve out INVLPG inline asm for use by others Borislav Petkov
2024-11-19 11:21 ` [PATCH 2/2] x86/microcode/AMD: Flush patch buffer mapping after application Borislav Petkov
2024-11-25 11:04 ` [tip: x86/urgent] x86/mm: Carve out INVLPG inline asm for use by others tip-bot2 for Borislav Petkov (AMD)
2024-11-25 11:04 ` [tip: x86/urgent] x86/microcode/AMD: Flush patch buffer mapping after application tip-bot2 for Borislav Petkov (AMD)
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=ZztZsCgX45rrMOVD@antipodes \
--to=thomas.de_schampheleire@nokia.com \
--cc=andrew.cooper3@citrix.com \
--cc=bp@alien8.de \
--cc=linux-kernel@vger.kernel.org \
--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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.