From: Yazen Ghannam <yazen.ghannam@amd.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org,
tony.luck@intel.com, x86@kernel.org, avadhut.naik@amd.com,
john.allen@amd.com, boris.ostrovsky@oracle.com
Subject: Re: [PATCH] x86/MCE: Prevent CPU offline for SMCA CPUs with non-core banks
Date: Thu, 29 Aug 2024 10:18:18 -0400 [thread overview]
Message-ID: <20240829141818.GA458692@yaz-khff2.amd.com> (raw)
In-Reply-To: <20240829141415.GDZtCCN89eyjycV0uf@fat_crate.local>
On Thu, Aug 29, 2024 at 04:14:15PM +0200, Borislav Petkov wrote:
> On Thu, Aug 29, 2024 at 10:03:05AM -0400, Yazen Ghannam wrote:
> > Do you think we should we continue to pursue this or no?
>
> You mean the kernel should prevent those folks from shooting themselves in the
> foot?
>
> How would that patch look like?
>
Right, I'm working on another revision. I'll try to send it today.
The gist is that we can hide the sysfs interface for CPUs that shouldn't
be hotplugged. We already do this today for other special cases like
CPU0.
Thanks,
Yazen
prev parent reply other threads:[~2024-08-29 14:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-21 14:00 [PATCH] x86/MCE: Prevent CPU offline for SMCA CPUs with non-core banks Yazen Ghannam
2024-08-21 18:35 ` boris.ostrovsky
2024-08-22 14:14 ` Yazen Ghannam
2024-08-25 11:16 ` Thomas Gleixner
2024-08-26 13:20 ` Yazen Ghannam
2024-08-27 12:50 ` Borislav Petkov
2024-08-27 13:47 ` Yazen Ghannam
2024-08-29 8:39 ` Borislav Petkov
2024-08-29 14:03 ` Yazen Ghannam
2024-08-29 14:14 ` Borislav Petkov
2024-08-29 14:18 ` Yazen Ghannam [this message]
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