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[147.75.199.223]) by mx.google.com with ESMTPS id vr6-20020a05620a55a600b0078a5169d3ffsi11250376qkn.510.2024.04.02.03.16.55 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Apr 2024 03:16:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-127709-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=bkEalEOE; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-127709-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-127709-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 691351C2247C for ; Tue, 2 Apr 2024 10:16:55 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C87085F87D; Tue, 2 Apr 2024 10:15:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bkEalEOE" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D91FA5D749; Tue, 2 Apr 2024 10:15:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712052957; cv=none; b=bt9Q9doK+rRPoFpHABB0wC29rIdjQHOyCczM7wWv+UWxo1Ed3JywveHuQ263Qh9cN5plued/dlgDMOsFmLWVzxtZ0y5OHx2929YwBlkn6Z3UirIueZeeC5RZwKY9zhRX24o9zLKJwe9dab7WOWEdzdhGwtDPpZoC4W2KEHLRwZY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712052957; c=relaxed/simple; bh=rxYIdnoOHeFpTj35MGLH9jKM15utL4Chn5z5QC6ILVk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type:Content-Disposition; b=Bpi0C5kJ0V+UwDNjHuZY+0dELUUjVCCm/KITnqGkrw4MwY/TPAANNliCXJLVoj3iC0xF12uJ25ceiOks4FNHVELvvE76QBPw5X3cY0AXz5MIvN8uyo7aRsAPqT9l0T8XHCMNpgz+5RVjbgIWDkYfIKoFsjgn/8EL9PO6F/KMULI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bkEalEOE; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 317DEC433F1; Tue, 2 Apr 2024 10:15:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712052956; bh=rxYIdnoOHeFpTj35MGLH9jKM15utL4Chn5z5QC6ILVk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bkEalEOE0E09mUR/L9JVW145aNEjNWVMtaT1Vtmpi6EV/Kqr1d35xm7kEP16lazpw /fO3tUIAmiHnthELYszl+I5mKV3MaJWq+05lg32ClOPOaOOxqs0xcec2a9gQK0aYsg FYN3MAabsAJgNYpMRZ0zxEh69swZJ+z/MqaCBzffHuzb2hovqjP1wVG/3BaKZRuSG/ 9xexulSKbWqsKvXOqDDWuj5IRkIokn0/5ee/sv8bTWBj/HmRislWj+ZsZDJQMtHHL7 UB5o0PQHFRx0iDYCFlUCRLbkL5wp5kIUl9zSHf9qkVdATRwPgQPJpToS7s9mCyDUpI EoytL8m2NFTHg== From: bp@kernel.org To: michael.roth@amd.com Cc: bgardon@google.com, bp@alien8.de, dave.hansen@linux.intel.com, dmatlack@google.com, hpa@zytor.com, jpoimboe@kernel.org, kvm@vger.kernel.org, leitao@debian.org, linux-kernel@vger.kernel.org, maz@kernel.org, mingo@redhat.com, mirsad.todorovac@alu.unizg.hr, pawan.kumar.gupta@linux.intel.com, pbonzini@redhat.com, peterz@infradead.org, seanjc@google.com, shahuang@redhat.com, tabba@google.com, tglx@linutronix.de, x86@kernel.org Subject: Re: [BUG net-next] arch/x86/kernel/cpu/bugs.c:2935: "Unpatched return thunk in use. This should not happen!" [STACKTRACE] Date: Tue, 2 Apr 2024 12:15:49 +0200 Message-ID: <20240402101549.5166-1-bp@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240328123830.dma3nnmmlb7r52ic@amd.com> References: <1d10cd73-2ae7-42d5-a318-2f9facc42bbe@alu.unizg.hr> <20240318202124.GCZfiiRGVV0angYI9j@fat_crate.local> <12619bd4-9e9e-4883-8706-55d050a4d11a@alu.unizg.hr> <20240326101642.GAZgKgisKXLvggu8Cz@fat_crate.local> <8fc784c2-2aad-4d1d-ba0f-e5ab69d28ec5@alu.unizg.hr> <20240328123830.dma3nnmmlb7r52ic@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Mutt-References: <20240328123830.dma3nnmmlb7r52ic@amd.com> X-Mutt-Fcc: =outbox Status: RO Lines: 21 Content-Transfer-Encoding: 8bit From: Borislav Petkov Sorry if this comes out weird - mail troubles currently. On Thu, Mar 28, 2024 at 07:38:30AM -0500, Michael Roth wrote: > I'm seeing it pretty consistently on kvm/next as well. Not sure if > there's anything special about my config but starting a fairly basic > SVM guest seems to be enough to trigger it for me on the first > invocation of svm_vcpu_run(). Hmm, can you share your config and what exactly you're doing? I can't reproduce with Mirsad's reproducer, probably because of .config differences. I tried making all CONFIG*KVM* options =y but no difference. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette