From owner-freebsd-current@freebsd.org Sat Jan 30 18:12:15 2016 Return-Path: Delivered-To: freebsd-current@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 95423A72779 for ; Sat, 30 Jan 2016 18:12:15 +0000 (UTC) (envelope-from mokhi64@gmail.com) Received: from mail-lf0-x235.google.com (mail-lf0-x235.google.com [IPv6:2a00:1450:4010:c07::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1D56EF3F for ; Sat, 30 Jan 2016 18:12:15 +0000 (UTC) (envelope-from mokhi64@gmail.com) Received: by mail-lf0-x235.google.com with SMTP id j78so5022660lfb.1 for ; Sat, 30 Jan 2016 10:12:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=F2xB1e1O0OdUOs/MV0KT19tGmub+zeVAJOlPfBRzeCE=; b=V4yt3S5GAqJMDTi7uyhHg3q3Rp9EE3WC4rSjROAvH83u5biI/ip/JS/95p88vejaie Yf4OxZjtcOJedxv4F8j99OTyweYs3QL1eg9DG0yS+qKXMKxbyioEWsAyznKCGnzfzt+x +XVMaoSz0uHwhAy0EZ4p8ORy0YLxt1s8lPoGfVQiK+DniQD+pkfwiVY1vu/4h7lduQIF RiqSuf46syVhjcuN8Q5WTo4S8otOd8jGteohDS6/fcE1/J2vCnalJPC5f/JF69w9eNrx XQi1isFqf2rdte53h6PQkkUXPrbRAUt4FWe1w7Y1K2fxrCVVS9JXtqZ/jzQVCK5zYOPT 6leg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=F2xB1e1O0OdUOs/MV0KT19tGmub+zeVAJOlPfBRzeCE=; b=Bkrmqmvoq9ee+HoRZeAmSGowPjXZc4mYuD/w+ZLIB4lQBQgIR7tk9T+RlOspbFbK2k tWxyEV18o5+5SZqTFt1VYQj1/nAdY9W7uRF52Ut3yhGO0yndbDHHHOULffz3EpgeUpWM TrW3j25slplGn5ABuNJBu7KYmD+4j7dOvuGu0CSRX1uI0VIO959KYuPflLHO4gbscmtg IQjvRRbJOr7fYj8/eI5AtTXog5f17h6m8CGRkEJRWehzhyJ8cbt6CxHYdgU3GQo5G1Fs pUgD1mZzaeLXWb1+sNXkOiylOI9yqADyHDO1LUl16mPxq0q3jDSY1m1FWXETuzG4Eyyn D7/w== X-Gm-Message-State: AG10YOTIl6xJ5lPOQmBMInofn9CLQneEMRgUIlawvW6vQGeEkokwgk72lR16Q+HD70zJp0lXsEeInlIMEaTh+Q== MIME-Version: 1.0 X-Received: by 10.25.207.3 with SMTP id f3mr5662299lfg.20.1454177533190; Sat, 30 Jan 2016 10:12:13 -0800 (PST) Received: by 10.25.139.68 with HTTP; Sat, 30 Jan 2016 10:12:13 -0800 (PST) In-Reply-To: <20160130180256.GT37895@zxy.spb.ru> References: <20160130180256.GT37895@zxy.spb.ru> Date: Sat, 30 Jan 2016 21:42:13 +0330 Message-ID: Subject: Re: thread-unsafety problems as spl*() ones are NOP From: mokhi To: Slawa Olhovchenkov Cc: freebsd-current@freebsd.org Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Jan 2016 18:12:15 -0000 i currently only wanna do patch on kbd.c (because i'm sure there is a thread-unsafety) and i don't want to add anything to spltty() nor splx(), i just wanna add things under where they've been used. isn't problem with using mutex/spin/lock/unlock etc there?