From mboxrd@z Thu Jan 1 00:00:00 1970 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 BE9651A5B82; Thu, 24 Apr 2025 18:01:44 +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=1745517704; cv=none; b=LueUOw++tHRKQPq0AZj2+fRYkcoK/faFANYpFOuwWhVyJsdGuvinrTFw8+/YA2DZNc8miibohDI7wkNgDHw3ZGWkW3Q6TSTk7V9wGnIe9tfi2IUPfd+y7BoA8f4HgWWbfPTczLLY0OMMbFnGgk9Gi6CqFLwwiOXGEySOUKE1eKU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745517704; c=relaxed/simple; bh=1UzqVogGL3LmH9d4R4wP/lOW2RL5bF/zoPL9eg44mVk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JK9LzEySc70oRUNnKWjy3yIAqw4+EsI5ov9+Vn2hgcyxu8TyyEcXisQykjwGhIRYqytaYziM49ICVmdAsd3HPCiRUlTivd+wMmXDiTScLEiVUZkPIleivuBIUk/bGvekZuU6QdeMlp5UOZsuAk623nFVd9saPRc1W24iBlRA49E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Di8Auxp0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Di8Auxp0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89FDEC4CEE3; Thu, 24 Apr 2025 18:01:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745517704; bh=1UzqVogGL3LmH9d4R4wP/lOW2RL5bF/zoPL9eg44mVk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Di8Auxp0PFt+QYUVd68e5bxQhwlqwWHun1bpXlYJfNpumVCakhDueyYfAxAoxruBO nAfWiC56BxHXFFnZ12X5L3TyyxEnZKSNpMk+pbimrvsKJKb0YlX4yHTd0YSVr+rwc6 7R7wcAoRyglL9ZU8BuU4SoVA/xtVO7tNIP1kFSK0PeknizuQB3PHczHst4MVMPadrO G1jToK2eaDnfkptNYKA9RhRu0YJYIxvMJx0OmexXc7iCUc4N07ukYo9rWqTbkCyi5N ACJ/79IAPe5/DV4XOBP867DL1nEzMLuTEat9X3F1dd3XPZKMUph5eIXFzegTd6Os8k xRHjEdYropK3A== Date: Thu, 24 Apr 2025 20:01:39 +0200 From: Ingo Molnar To: Linus Torvalds Cc: Arnd Bergmann , kernel test robot , oe-lkp@lists.linux.dev, kernel test robot , linux-kernel@vger.kernel.org, John Stultz , Thomas Gleixner , Stephen Boyd , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra Subject: Re: [RFC PATCH 0/15] x86: Remove support for TSC-less and CX8-less CPUs Message-ID: References: <202504211553.3ba9400-lkp@intel.com> <59198081-15e2-4b02-934f-c34dd1a0ac93@app.fastmail.com> Precedence: bulk X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: * Ingo Molnar wrote: > The patches most relevant to this discussion should be: > > x86/cpu: Remove M486/M486SX/ELAN support > ... > x86/cpu: Remove TSC-less CONFIG_M586 support > x86/cpu: Make CONFIG_X86_TSC unconditional > x86/cpu: Make CONFIG_X86_CX8 unconditional > x86/percpu: Remove !CONFIG_X86_CX8 methods > x86/atomics: Remove !CONFIG_X86_CX8 methods also: > x86/cpu: Remove TSC-less CONFIG_M586 support Thanks, Ingo