From owner-svn-src-all@FreeBSD.ORG Thu Mar 11 21:16:54 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BACDB1065672; Thu, 11 Mar 2010 21:16:54 +0000 (UTC) (envelope-from raj@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id AB32A8FC08; Thu, 11 Mar 2010 21:16:54 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o2BLGsns031914; Thu, 11 Mar 2010 21:16:54 GMT (envelope-from raj@svn.freebsd.org) Received: (from raj@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o2BLGslX031910; Thu, 11 Mar 2010 21:16:54 GMT (envelope-from raj@svn.freebsd.org) Message-Id: <201003112116.o2BLGslX031910@svn.freebsd.org> From: Rafal Jaworowski Date: Thu, 11 Mar 2010 21:16:54 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r205028 - head/sys/arm/arm X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Mar 2010 21:16:54 -0000 Author: raj Date: Thu Mar 11 21:16:54 2010 New Revision: 205028 URL: http://svn.freebsd.org/changeset/base/205028 Log: Fix ARM cache handling yet more. 1) vm_machdep.c: remove the dangling allocations so they do not un-necessarily turn off the cache upon consecutive access. 2) busdma_machdep.c: remove the same amount than shadow mapped. Reported by: Maks Verver Submitted by: Mark Tinguely Reviewed by: Grzegorz Bernacki MFC after: 3 days Modified: head/sys/arm/arm/busdma_machdep.c head/sys/arm/arm/vm_machdep.c Modified: head/sys/arm/arm/busdma_machdep.c ============================================================================== --- head/sys/arm/arm/busdma_machdep.c Thu Mar 11 21:04:29 2010 (r205027) +++ head/sys/arm/arm/busdma_machdep.c Thu Mar 11 21:16:54 2010 (r205028) @@ -649,7 +649,8 @@ bus_dmamem_free(bus_dma_tag_t dmat, void KASSERT(map->allocbuffer == vaddr, ("Trying to freeing the wrong DMA buffer")); vaddr = map->origbuffer; - arm_unmap_nocache(map->allocbuffer, dmat->maxsize); + arm_unmap_nocache(map->allocbuffer, + dmat->maxsize + ((vm_offset_t)vaddr & PAGE_MASK)); } if (dmat->maxsize <= PAGE_SIZE && dmat->alignment < dmat->maxsize && Modified: head/sys/arm/arm/vm_machdep.c ============================================================================== --- head/sys/arm/arm/vm_machdep.c Thu Mar 11 21:04:29 2010 (r205027) +++ head/sys/arm/arm/vm_machdep.c Thu Mar 11 21:16:54 2010 (r205028) @@ -171,6 +171,9 @@ sf_buf_free(struct sf_buf *sf) if (sf->ref_count == 0) { TAILQ_INSERT_TAIL(&sf_buf_freelist, sf, free_entry); nsfbufsused--; + pmap_kremove(sf->kva); + sf->m = NULL; + LIST_REMOVE(sf, list_entry); if (sf_buf_alloc_want > 0) wakeup_one(&sf_buf_freelist); } @@ -502,9 +505,12 @@ arm_unmap_nocache(void *addr, vm_size_t size = round_page(size); i = (raddr - arm_nocache_startaddr) / (PAGE_SIZE); - for (; size > 0; size -= PAGE_SIZE, i++) + for (; size > 0; size -= PAGE_SIZE, i++) { arm_nocache_allocated[i / BITS_PER_INT] &= ~(1 << (i % BITS_PER_INT)); + pmap_kremove(raddr); + raddr += PAGE_SIZE; + } } #ifdef ARM_USE_SMALL_ALLOC