From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51953) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eYnbZ-0004cl-TI for qemu-devel@nongnu.org; Tue, 09 Jan 2018 01:41:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eYnbW-0007ZM-RG for qemu-devel@nongnu.org; Tue, 09 Jan 2018 01:41:49 -0500 Received: from bart.luffy.cx ([78.47.78.131]:50960) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eYnbW-0007Yq-KN for qemu-devel@nongnu.org; Tue, 09 Jan 2018 01:41:46 -0500 From: Vincent Bernat References: <20180108205052.24385-1-vincent@bernat.im> <20180108211623.GJ6646@localhost.localdomain> <242287261.31733448.1515451036017.JavaMail.zimbra@redhat.com> <20180108225625.GP6646@localhost.localdomain> Date: Tue, 09 Jan 2018 07:41:45 +0100 In-Reply-To: <20180108225625.GP6646@localhost.localdomain> (Eduardo Habkost's message of "Mon, 8 Jan 2018 20:56:25 -0200") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH] target-i386: add pcid to both Sandy Bridge and Ivy Bridge List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Eduardo Habkost Cc: Paolo Bonzini , Richard Henderson , qemu-devel@nongnu.org =E2=9D=A6 8 janvier 2018 20:56 -0200, Eduardo Habkost =C2=A0: > (BTW, is PCID useful for KPTI performance without INVPCID?) It seems it is: https://mail-archive.com/linux-kernel@vger.kernel.org/msg1576774.html --=20 Don't use conditional branches as a substitute for a logical expression. - The Elements of Programming Style (Kernighan & Plauger)