From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (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 964B92DCF79; Wed, 20 Aug 2025 09:28:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755682122; cv=none; b=MExPsDzERV5J1DQgrZtszQ0Km7OqWVfy7vQcxuT/DBux72CtgwaNNncMxcmXWzIzeA9bG5MJ75k0NJSC3RaungFfJqiDeeiJx46RNcdRwQ9fbX94hp+/f/NWSZ2d/h6XFIhujdIDyTPv22UaSkR1XN4seQmPwSlVUFataUndwsM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755682122; c=relaxed/simple; bh=pfipzuvQo/2bKVONaEJPkjEnyGWR0uVaiGeC6t9iyMg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=s/wW3DblZU6QDRKUbdMGyRlkU79NtBIgB2v2sLnH4TeRQwqLLdYHivAx82UEI43aknrzbC8Y67Ucviq+T8wKMDrP3vxoYCXDM9ZA1dXq4pzMO3aJctGgcL69DG3ZIRR1Gyx3nU363/69VejFO/SNzfbBCF8xWhS5jlNlnhjsjqY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=ihye02n6; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="ihye02n6" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 7DB9C40E027E; Wed, 20 Aug 2025 09:28:33 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id sP4gNivZuxzy; Wed, 20 Aug 2025 09:28:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1755682109; bh=FMaoZYwb77gndXfYTCfwk5Udd9os45OGRqChyHPkrQI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ihye02n63PRXyClBqdSKfZqVXJpP6AJP79N/etUM9s0yi6Zn/Bka/XxQYtr+hHGjB 0qaCWCXJhjIpY4STVCCU28/BaxI8XfcMKEF7XeJCc1rvtPncXbCmk2oDWzmxaMbdxZ CR5KarjNK6ZT3Voo7JOGJEcAWs4UxdGvfqFr8lnEpMy55i0wQoQ5g6or/eW1fd5j8s i405kk/9lPdjJJCuqzWn/FHGULoBM2eus2dW8AUK6nWiPNPcmImcFqddDyNDKitced psLW0K2o24F6WS3JpNFB+RHPVhvbwxIpsWeVak/SrfYuhM5bZMgmEJTwDx5Pld6j15 fY2sb9UHMYNQEY03mXWDhmhs7gKeWFH0geWRwJZPLLNvRHWgu2NRHsLXdG6lDxSiOF DBjloLwNPIs5qU6g7/+eUgsgD5gLoxgctZ2hUaX30Xfmq6sNIhQgQt8lZ4i3bnpz93 r6GKDrO6zQgl8lK/HDH4UlnM5XW8opbxHf1dGBAGHMOxrF6u5DFfw2Q1yTIk/hhu5c WW91IEXcd0m9fs2ak7hTjaoAunwOtHTx33QzRoJ1r1xEdEVHw8RRczGQbcT7pYwO7D pAR+i/xmtM6dxeEop5PimH7VCn68FSpHAPkhEygeyRdVtj4HDPTV55joWM/oN7sm0x WnIdff8dNlybJQzSXastXvqc= Received: from zn.tnic (pd953092e.dip0.t-ipconnect.de [217.83.9.46]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 0ABF240E0217; Wed, 20 Aug 2025 09:28:09 +0000 (UTC) Date: Wed, 20 Aug 2025 11:28:03 +0200 From: Borislav Petkov To: K Prateek Nayak Cc: Naveen N Rao , Thomas Gleixner , Ingo Molnar , Dave Hansen , Sean Christopherson , Paolo Bonzini , x86@kernel.org, Sairaj Kodilkar , "H. Peter Anvin" , "Peter Zijlstra (Intel)" , "Xin Li (Intel)" , Pawan Gupta , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Mario Limonciello , "Gautham R. Shenoy" , Babu Moger , Suravee Suthikulpanit Subject: Re: [PATCH v3 0/4] x86/cpu/topology: Work around the nuances of virtualization on AMD/Hygon Message-ID: <20250820092803.GCaKWVI0fkM3aaqmn4@fat_crate.local> References: <20250818060435.2452-1-kprateek.nayak@amd.com> <20250819113447.GJaKRhVx6lBPUc6NMz@fat_crate.local> <20250820085935.GBaKWOd5Wk3plH0h1l@fat_crate.local> <97aace4c-921f-4037-b8f2-c4112b4a26a9@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 In-Reply-To: <97aace4c-921f-4037-b8f2-c4112b4a26a9@amd.com> On Wed, Aug 20, 2025 at 02:42:26PM +0530, K Prateek Nayak wrote: > tscan->c->topo.initial_apicid = leaf.ext_apic_id; /*** Overwritten here ***/ Looks like it shouldn't unconditionally overwrite it but I'll let tglx comment here. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette