From owner-freebsd-stable@freebsd.org Fri Jul 24 15:58:51 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3C7769A90B7 for ; Fri, 24 Jul 2015 15:58:51 +0000 (UTC) (envelope-from deco33000@yandex.com) Received: from forward13h.cmail.yandex.net (forward13h.cmail.yandex.net [IPv6:2a02:6b8:0:f35::9e]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "forwards.mail.yandex.net", Issuer "Certum Level IV CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E67C117D9 for ; Fri, 24 Jul 2015 15:58:50 +0000 (UTC) (envelope-from deco33000@yandex.com) Received: from web15h.yandex.ru (web15h.yandex.ru [84.201.186.44]) by forward13h.cmail.yandex.net (Yandex) with ESMTP id E2AED21413 for ; Fri, 24 Jul 2015 18:58:37 +0300 (MSK) Received: from 127.0.0.1 (localhost [127.0.0.1]) by web15h.yandex.ru (Yandex) with ESMTP id 89E355900C6B; Fri, 24 Jul 2015 18:58:37 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.com; s=mail; t=1437753517; bh=FgAxVWatxYZTKQt1N0UMBOWajqdexCCttOdqb7tvXvs=; h=From:Cc:In-Reply-To:References:Subject:Date; b=aw7c6rJ+Su/YYDD9mz+3+ZrjzMpdtST5l+NxrX+paISzHo7BnNgakQ4XrqzzlklUv 4mucUnhzPkouYM57u8PIkExvdlTwGEdSKQi20sCaYU5COOengIYNIOFFGT+Iy+7mAd jZXiiCvrGuJUUjKNEUJ91OM5uDoMw10XLK2i10hQ= Received: by web15h.yandex.ru with HTTP; Fri, 24 Jul 2015 18:58:36 +0300 From: deco33000@yandex.com Cc: freebsd-stable In-Reply-To: <1437665319.1334.519.camel@freebsd.org> References: <464641437658995@web16j.yandex.ru> <190031437662308@web29g.yandex.ru> <1437665319.1334.519.camel@freebsd.org> Subject: Re: struct timehands: th_generation field MIME-Version: 1.0 Message-Id: <1568531437753516@web15h.yandex.ru> X-Mailer: Yamail [ http://yandex.ru ] 5.0 Date: Fri, 24 Jul 2015 17:58:36 +0200 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=koi8-r X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Jul 2015 15:58:51 -0000 OK. I read the document and understood it I guess. Very interesting, and well engineered. On x86/i386/amd64, could not all this be replaced by a simple call to apic timer ? We would get the timestamp, we can even store it, make calculation on top of it. My jugement may miss something important though. That is why I ask :) --š Jog