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 EB2D113AA2F for ; Thu, 24 Oct 2024 13:02:50 +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=1729774973; cv=none; b=FwHhUzlNtUhT0IqAZjoT28FL41aw7GWAXUqw9pEFSfAe1tIXZE0OoWmJ9qF2O1CTTOyjOKadFgTDEwsTN0OD5bkHBUxl9qMtjG8HLGkqTRKaecpvx/fbO1m556ehHstaUoCWmQxth3dLiQiQNO/wt8ZNIgRh0/5t2kcJscwXzKQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729774973; c=relaxed/simple; bh=9wuvnud6703YzTJAH4atYTV0zU5hlUyODfjK9nlAxew=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IT920tf/cj+BETMnCZmjsJDoIuglSUZp0Op338XkVKmP4T5NCs3zbVUCkD0uzV4WkSsvX3WM/Uz4OfYcgaSMxIaCqU1V9X100MHNltAVDbf96159QBuleYQDtBTJQxG4Nui1VXVIlejrqd402dKDp10LNacSW2AULWBLcO6NUO4= 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=P8c0EujE; 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="P8c0EujE" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 95DFE40E0284; Thu, 24 Oct 2024 13:02:48 +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 lHeVMTeSHwzi; Thu, 24 Oct 2024 13:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1729774964; bh=qEtuLErmLc5asX1bnJMv2F0QZfhS0C8+sa3HtFQ00B8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=P8c0EujEPYGAe9GgSXzHOzz/GoCuxCl94qXRCqmmEym0XyQGPfAlvpezlGm+qi+QT ov6Dquqg/Ac1mIGlXBiH2VpSI1q8cwFQAVGaTJJ0aMLfGFwJyAkPy+IJ+ausaeV6fO MxzcVzvleDkBkPxjAXyj0xUR0+SJeUdRD4QypTjcE3mhZjiSi5NBmEkRUO481P5Ve+ XDQgG8NrHcu1e6LJ7CuueyfCGIrIPwnmEahhNvNA2QbINVwFq7oaDzFk/sqNNlFVuO lfsr7qzg3vteiepd3OUOX5qFGqaf3OsFjD5XkcLG0cMAuZ2Kd3V8YcxLJA4VkN0cJ8 lVobsE9l2h0DgbshN6Vo3RaMS6Hct+OM2bkLxL2EOTPXLBvyRXi9CRjUStE4ieJS/P Bb9Edt+uMcAfHv96HYAOSSvZqTA5VzxL8DrmU7nC50UYn3nrzYtg/qsrvS5+V2tyyr +aKmKTsx+mm9PJerOjZoq3VOu6Ukfui9pEiYBEBpWKaIXiLdnkOtNNL7Aso1G24mX+ wOxUp0/ez0+8RZ/HyQ3ZlvASH6kjyQefDFSshrvTzmZQK3qUZ/wtrlB0fogMhvQ1MM qFyUu77faSUeiMFcwagKKcv0tVQXs6UfNBp+ireETzO2eYGEjAkn99lYvrjfo2RVoF oRvMN/Af+yQa77fa+XeQV21w= Received: from zn.tnic (p5de8e8eb.dip0.t-ipconnect.de [93.232.232.235]) (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 BB03940E0263; Thu, 24 Oct 2024 13:02:38 +0000 (UTC) Date: Thu, 24 Oct 2024 15:02:37 +0200 From: Borislav Petkov To: "Kirill A. Shutemov" Cc: Linus Torvalds , Linux Kernel Mailing List , x86@kernel.org, Andrew Cooper , Josh Poimboeuf Subject: Re: [PATCH] x86: fix user address masking non-canonical speculation issue Message-ID: <20241024130237.GEZxpFbaCWGCKMWaNR@fat_crate.local> References: <20241024013214.129639-1-torvalds@linux-foundation.org> <20241024110822.GBZxoqppmxp0xxG7ew@fat_crate.local> 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: On Thu, Oct 24, 2024 at 03:32:32PM +0300, Kirill A. Shutemov wrote: > Although, it might be worth updating end of userspace VA in mm.rst with > -PAGE_SIZE. Sure, we try to keep that VA map file up-to-date as it comes in very handy often times. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette