Received: by 2002:a25:683:0:0:0:0:0 with SMTP id 125csp4223622ybg; Mon, 8 Jun 2020 02:15:57 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwZreBt6EJPx43c2b5KBP11laO7vBBuhHD4GQqCM4cgpdcAHHttX6ivDeVadhzOoJHLi5gx X-Received: by 2002:a17:906:c828:: with SMTP id dd8mr20620125ejb.550.1591607757135; Mon, 08 Jun 2020 02:15:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1591607757; cv=none; d=google.com; s=arc-20160816; b=q3p7gV+gECENaXoWFbQWqJ10rg3PoFvYGPZUdtKv4bjWgSNKg3v8gQ6Bb/BcnL/y9Z oYd4BMdqh0mG5VWAz6beSGqZ29+zDEfjaLUW71PM4i5xoYSgptR4li1coGhUsgDeAIpz doFz3yiE8s4kYPjT5vg5oPZLZKQbfqpDxlv137JhYCYdYDSCG/0tEjZB2Vu8ti8c/phz 1jAqS//KnpncQZvwxCQt8oZO5s1CkK6CPmxDF2M4Oa9kMq5/HWkd05PIM3VTxm03fZMi K/UpkaleUp/fH49EuvzhOtwMaPSAeGZXO9gv+sDtTOHV+6jwVlZ7P3oFud9qN8PBA7bg EypA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=IP7Om9jcZMea/xSfbywr8WjcmmhyRTFpllLJCk2X5nA=; b=oqLJYfGXl3BFDc5HPWCknLRKb52eKbL/axZ+HnMjntoiTcVYyGQuoMxbts4sPw3sGK NF33ZUglMn8vHNLPwJ6IFIAyFyZX379dc5sXXl7JIBVanQOEhIa6ecbTHOEGTxFrD/mT 4lE+5llUIoTZtGg/ADOaY+88m9SAxsa8/AQtZwiXNKyn0dX6s5KE4rT0WDSqRjT8xjPJ +d3S7hGBq51nCWAcakjutniiA3XBs3vt4QWZv63ZPX2hIduZqkMfG4yY5TJ9qtJIy1JS k7iMOskLQEisaZj31iKgk8B8+erKGhY1mKCwFXRj1UMDqBvmLZxpZF2Jhogb+rNj//+J 1pcA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=X04dQDTI; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p92si8762027edd.321.2020.06.08.02.15.34; Mon, 08 Jun 2020 02:15:57 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=X04dQDTI; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729174AbgFHJNm (ORCPT + 99 others); Mon, 8 Jun 2020 05:13:42 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:54183 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725927AbgFHJNm (ORCPT ); Mon, 8 Jun 2020 05:13:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591607620; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=IP7Om9jcZMea/xSfbywr8WjcmmhyRTFpllLJCk2X5nA=; b=X04dQDTIJbpJ9Y3YhXsj1l8G6i1gMPnznXEYGgNXtC5DXOjfTmsWphhAgBZwPoX3KNpwpk XuzR240TNarALrJNWJAFiWwckN2LCcjBQlKua0SU6GMfvpKjgYZOT+o4xrgd4JKUT1T0oK QZHalNnKmg0EDJKjwWawNwVz02jmYSs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-37-A0uxM3nfON2Meav7zcRxbQ-1; Mon, 08 Jun 2020 05:13:36 -0400 X-MC-Unique: A0uxM3nfON2Meav7zcRxbQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 993AF800053; Mon, 8 Jun 2020 09:13:35 +0000 (UTC) Received: from epycfail.redhat.com (unknown [10.36.110.3]) by smtp.corp.redhat.com (Postfix) with ESMTP id A33367B5FB; Mon, 8 Jun 2020 09:13:33 +0000 (UTC) From: Stefano Brivio To: Andrew Morton , Andy Shevchenko Cc: Yury Norov , Rasmus Villemoes , Pablo Neira Ayuso , linux-kernel@vger.kernel.org Subject: [PATCH 0/2] lib: Fix bitmap_cut() for overlaps, add test Date: Mon, 8 Jun 2020 11:13:27 +0200 Message-Id: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Patch 1/2 addresses the issue Yury reported with partially overlapping src and dst in bitmap_cut(), and 2/2 adds a test that covers basic functionality as well as this case. Stefano Brivio (2): lib: Fix bitmap_cut() for partial overlapping case lib: Add test for bitmap_cut() lib/bitmap.c | 4 ++-- lib/test_bitmap.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 62 insertions(+), 2 deletions(-) -- 2.26.2