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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

  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] " tip-bot2 for Borislav Petkov (AMD)
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)

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