From owner-svn-src-head@freebsd.org Thu Nov 14 18:38:57 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3BECD1B0218; Thu, 14 Nov 2019 18:38:57 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47DVcd0hDLz3Gpp; Thu, 14 Nov 2019 18:38:57 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id EC3434A48; Thu, 14 Nov 2019 18:38:56 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id xAEIcuhV029149; Thu, 14 Nov 2019 18:38:56 GMT (envelope-from kevans@FreeBSD.org) Received: (from kevans@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id xAEIcuIn029148; Thu, 14 Nov 2019 18:38:56 GMT (envelope-from kevans@FreeBSD.org) Message-Id: <201911141838.xAEIcuIn029148@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kevans set sender to kevans@FreeBSD.org using -f From: Kyle Evans Date: Thu, 14 Nov 2019 18:38:56 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r354712 - head/sys/arm64/arm64 X-SVN-Group: head X-SVN-Commit-Author: kevans X-SVN-Commit-Paths: head/sys/arm64/arm64 X-SVN-Commit-Revision: 354712 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Nov 2019 18:38:57 -0000 Author: kevans Date: Thu Nov 14 18:38:56 2019 New Revision: 354712 URL: https://svnweb.freebsd.org/changeset/base/354712 Log: arm64: busdma_bounce: fix BUS_DMA_ALLOCNOW for non-paged aligned sizes For any size that isn't page-aligned, we end up not pre-allocating enough for a single mapping because we truncate the size instead of rounding up to make sure the last bit is accounted for, leaving us one page shy of what we need to fulfill a request. Differential Revision: https://reviews.freebsd.org/D22288 Modified: head/sys/arm64/arm64/busdma_bounce.c Modified: head/sys/arm64/arm64/busdma_bounce.c ============================================================================== --- head/sys/arm64/arm64/busdma_bounce.c Thu Nov 14 17:11:52 2019 (r354711) +++ head/sys/arm64/arm64/busdma_bounce.c Thu Nov 14 18:38:56 2019 (r354712) @@ -216,7 +216,7 @@ bounce_bus_dma_tag_create(bus_dma_tag_t parent, bus_si if (ptoa(bz->total_bpages) < maxsize) { int pages; - pages = atop(maxsize) - bz->total_bpages; + pages = atop(round_page(maxsize)) - bz->total_bpages; /* Add pages to our bounce pool */ if (alloc_bounce_pages(newtag, pages) < pages)