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From: "Mario Limonciello (AMD)" <superm1@kernel.org>
To: Borislav Petkov <bp@alien8.de>, Jean Delvare <jdelvare@suse.de>
Cc: Yazen Ghannam <yazen.ghannam@amd.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 5/5] x86/CPU/AMD: Print AGESA string from DMI additional information entry
Date: Wed, 1 Apr 2026 08:14:22 -0500	[thread overview]
Message-ID: <d7a5f58a-bd7a-4f8d-a6d5-5cfba7408adc@kernel.org> (raw)
In-Reply-To: <20260401114504.GCac0FQP1Hl9hRi8PJ@fat_crate.local>

On 4/1/26 06:45, Borislav Petkov wrote:
> On Wed, Apr 01, 2026 at 12:29:08PM +0200, Borislav Petkov wrote:
>> On Wed, Apr 01, 2026 at 11:17:01AM +0200, Jean Delvare wrote:
>>> Isn't "V9" going to become "V10" at some point in the future, and then
>>> the AGESA string will no longer be displayed until the code is
>>> adjusted? Or will AMD move the information to a more appropriate place
>>> by then?
>>>
>>> Also, I know this was discussed before, but the current print strategy
>>> omits "V9". Is this not something we are going to regret once more
>>> versions are available and we may have to differentiate between them?
>>
>> Right, I think we should not be silly and simply dump the string that starts
>> with "AGESA" and that's it.
> 
> IOW, this:
> 
>                  if (!strncmp(string_ptr, "AGESA", 5)) {
>                          pr_info("AGESA: %s\n", string_ptr);
>                          break;
>                  }
> 
> Mario, what's that additional "dance" you're doing there? Do we have other
> strings which start with "AGESA"?
> 

Right we did talk about this a little on the last iteration too [1].
The string_ptr + 9 will fail if we ever had a V10.

Link: 
https://lore.kernel.org/all/20260126154037.GBaXeK9bxgPMdE2lFr@fat_crate.local/ 
[1]

If you guys would prefer to stick to the simple strncmp() + pr_info() 
the whole thing that's fine by me.

Do you want me to send out a new patch series, or will you just adjust 
while committing?

  reply	other threads:[~2026-04-01 13:14 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-07 14:10 [PATCH v6 0/5] Print AGESA version at bootup Mario Limonciello (AMD)
2026-03-07 14:10 ` [PATCH v6 1/5] firmware: dmi: Correct an indexing error in dmi.h Mario Limonciello (AMD)
2026-04-01 19:34   ` [tip: x86/platform] " tip-bot2 for Mario Limonciello (AMD)
2026-03-07 14:10 ` [PATCH v6 2/5] firmware: dmi: Adjust dmi_decode() to use enums Mario Limonciello (AMD)
2026-04-01 19:34   ` [tip: x86/platform] " tip-bot2 for Mario Limonciello (AMD)
2026-03-07 14:10 ` [PATCH v6 3/5] firmware: dmi: Add missing DMI entry types Mario Limonciello (AMD)
2026-04-01 11:03   ` Borislav Petkov
2026-04-01 13:16     ` Mario Limonciello (AMD)
2026-04-01 18:49       ` Borislav Petkov
2026-03-07 14:10 ` [PATCH v6 4/5] firmware: dmi: Add pr_fmt() for dmi_scan.c Mario Limonciello (AMD)
2026-04-01 19:34   ` [tip: x86/platform] " tip-bot2 for Mario Limonciello (AMD)
2026-03-07 14:10 ` [PATCH v6 5/5] x86/CPU/AMD: Print AGESA string from DMI additional information entry Mario Limonciello (AMD)
2026-04-01  9:17   ` Jean Delvare
2026-04-01 10:29     ` Borislav Petkov
2026-04-01 11:45       ` Borislav Petkov
2026-04-01 13:14         ` Mario Limonciello (AMD) [this message]
2026-04-01 18:52           ` Borislav Petkov
2026-04-01 19:34   ` [tip: x86/platform] " tip-bot2 for Yazen Ghannam

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