From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 6AF6740DFA9 for ; Mon, 27 Apr 2026 20:01:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777320075; cv=none; b=phke/r9TRdjADYuylx0kSCsgJdq/Wmf4OrHq+Yiaoo7BJmx+Y7oLPbdpWqZd1eDJ/khqtkO56W1SXUM5ZqkJ3wv97SxztLpL4SMLllfihlonCzHMmPDlOGyZSgVKj5EWnY8byAAljSaB6MP2XCDz3IBH9P3QZQMxulGZZkmmqkI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777320075; c=relaxed/simple; bh=NB5D3xMrAp9mrRAW+uEhZ1uGnPi6GHNRGKjFzRhjJ0I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MZhPQMhYYP2heT5vbSDF4Xkii4L4xDRlWhDha+3+JkalY/zHBn6P457X8+KGl7EOorC2ZQn5I422hZAsEwi/+paIyM3gpqVnAMhx3IJBgZ6gU5SH1M9YHkVZ1q1W525kOnxCpT3lmoSp1ewYaxJXp0L+AS8fkDLtKwkUuo0RbhE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=AyTJJ/EK; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=oLt4gT+0; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="AyTJJ/EK"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="oLt4gT+0" Date: Mon, 27 Apr 2026 22:01:10 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1777320073; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=qIB42hJNZ+t4hOqY+advdolJjsRtHGMqHyuOLY9ids8=; b=AyTJJ/EKWvMin/NEVwx2LIbvwrdh+0vvE4pJULbpU+9v9M7nJ8B95w968Aep6QOLgodKKE 0hb0NLKhqD1CkwL4uvZ31zO4I7NpDso+az5DSmu2zSn/pdbqys1c14eO4v2YA2FtF9RuMR 4EHiB5PgcuQpdqORDh2ImnWVqlOYkNjUySVRKeUbmshJ6uhh+f+KW1QKm0J/vpODRm3i5l pVvVXD9IqOG5zC3YIubxLRPfNot5WdTPUsyEJ0YM9G/d0aOZGI/HJV3IRqSaQhdfoQzsjI uCxzYFXgkzE6UvuhbjDwKPSABNrj4v7fhTy6LykK6X6NXVMH7IYzgvs3FMypCQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1777320073; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=qIB42hJNZ+t4hOqY+advdolJjsRtHGMqHyuOLY9ids8=; b=oLt4gT+0x3acYmdOyiib4I4VnfyEJ7ZVsDxZTi5LU2Kr/G9EKErqJwheevI/mT7r5m+S1/ qVMuuv/ED0d1CbDw== From: "Ahmed S. Darwish" To: Maciej Wieczor-Retman Cc: Borislav Petkov , Dave Hansen , Ingo Molnar , Thomas Gleixner , Andrew Cooper , "H. Peter Anvin" , Sean Christopherson , David Woodhouse , Peter Zijlstra , Christian Ludloff , Sohil Mehta , John Ogness , x86@kernel.org, x86-cpuid@lists.linux.dev, LKML Subject: Re: [PATCH v6 13/90] x86/cpu/intel: Rescan CPUID table after leaf unlock Message-ID: References: <20260327021645.555257-1-darwi@linutronix.de> <20260327021645.555257-14-darwi@linutronix.de> 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=us-ascii Content-Disposition: inline In-Reply-To: On Wed, 15 Apr 2026, Maciej Wieczor-Retman wrote: > > On 2026-03-27 at 03:15:27 +0100, Ahmed S. Darwish wrote: > >Intel CPUs have a "limit CPUID" MSR bit to limit CPUID enumeration only up > >to CPUID(0x2). This can be set by old BIOSen before booting Linux. > > BIOSen -> BIOSes? > It is actually the more Germanic plural form :) will change it.