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Re: [PATCH v1 0/2] x86/amd_node: harden amd_smn_init() against Xen dom0 topology


  • To: Jiaqing Zhao <Zhao.Jiaqing@xxxxxxx>
  • From: Yazen Ghannam <yazen.ghannam@xxxxxxx>
  • Date: Tue, 19 May 2026 10:10:02 -0400
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  • Cc: Penny Zheng <penny.zheng@xxxxxxx>, x86@xxxxxxxxxx, ray.huang@xxxxxxx, Jason.Andryuk@xxxxxxx, stefano.stabellini@xxxxxxx, Mario Limonciello <mario.limonciello@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
  • Delivery-date: Tue, 19 May 2026 14:10:29 +0000
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On Thu, May 07, 2026 at 04:37:43PM +0800, Jiaqing Zhao wrote:
> This amd_smn_init div0 oops is also observed on 6.19.14+deb14 (Debian testing)
> and 6.18.27. Given that 6.18 is LTS, suggesting `Cc: stable@xxxxxxxxxxxxxxx`
> to get it backported.
> 

Hi Jiaqing,

So is the issue observed with the latest mainline kernel?

Or only with v6.19 and before?

Thanks,
Yazen



 


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