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From: Dave Hansen <dave.hansen@intel.com>
To: "Pratik R. Sampat" <prsampat@amd.com>, Kiryl Shutsemau <kas@kernel.org>
Cc: linux-mm@kvack.org, linux-coco@lists.linux.dev, x86@kernel.org,
	linux-kernel@vger.kernel.org, tglx@linutronix.de,
	mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
	ardb@kernel.org, akpm@linux-foundation.org, david@kernel.org,
	osalvador@suse.de, thomas.lendacky@amd.com, michael.roth@amd.com
Subject: Re: [PATCH v3 2/2] x86/sev: Add support to unaccept memory after hot-remove
Date: Thu, 29 Jan 2026 09:39:55 -0800	[thread overview]
Message-ID: <b7cbc2f4-6fef-44c2-a0f4-2d6895c0fd74@intel.com> (raw)
In-Reply-To: <097a4980-9d10-40d2-9667-d07bf19e7b86@amd.com>

On 1/29/26 09:32, Pratik R. Sampat wrote:
> In that case a fall through for TDX (with a comment explaining why) and
> panic for rest may be the way to go?

No. panic() is an absolute last resort. It's almost never the way to go.

What else can we do to ensure we never reach this code if the platform
doesn't support memory un-acceptance?


  reply	other threads:[~2026-01-29 17:40 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-28 20:41 [PATCH v3 0/2] SEV-SNP Unaccepted Memory Hotplug Pratik R. Sampat
2026-01-28 20:41 ` [PATCH v3 1/2] mm/memory_hotplug: Add support to accept memory during hot-add Pratik R. Sampat
2026-01-29 10:35   ` Kiryl Shutsemau
2026-01-29 17:32     ` Pratik R. Sampat
2026-01-28 20:41 ` [PATCH v3 2/2] x86/sev: Add support to unaccept memory after hot-remove Pratik R. Sampat
2026-01-28 21:08   ` Andrew Morton
2026-01-28 22:25     ` Pratik R. Sampat
2026-01-28 21:15   ` Dave Hansen
2026-01-29 10:40     ` Kiryl Shutsemau
2026-01-29 17:32       ` Pratik R. Sampat
2026-01-29 17:39         ` Dave Hansen [this message]
2026-01-29 19:32           ` Pratik R. Sampat

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