From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34184) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dABis-0003rR-Hp for qemu-devel@nongnu.org; Mon, 15 May 2017 04:51:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dABir-0005aa-RH for qemu-devel@nongnu.org; Mon, 15 May 2017 04:51:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60418) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dABir-0005aW-Lj for qemu-devel@nongnu.org; Mon, 15 May 2017 04:51:21 -0400 From: Peter Xu Date: Mon, 15 May 2017 16:50:59 +0800 Message-Id: <1494838260-30439-4-git-send-email-peterx@redhat.com> In-Reply-To: <1494838260-30439-1-git-send-email-peterx@redhat.com> References: <1494838260-30439-1-git-send-email-peterx@redhat.com> Subject: [Qemu-devel] [PATCH 3/4] exec: further use is_mmio List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: David Gibson , Paolo Bonzini , "Michael S . Tsirkin" , peterx@redhat.com, Jason Wang This is MMIO-specific tunes on the size. Let's skip it for non-MMIO translations. Signed-off-by: Peter Xu --- exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/exec.c b/exec.c index 0adae94..32e5394 100644 --- a/exec.c +++ b/exec.c @@ -455,7 +455,7 @@ address_space_translate_internal(AddressSpaceDispatch *d, hwaddr addr, hwaddr *x * everything works fine. If the incoming length is large, however, * the caller really has to do the clamping through memory_access_size. */ - if (memory_region_is_ram(mr)) { + if (is_mmio && memory_region_is_ram(mr)) { diff = int128_sub(section->size, int128_make64(addr)); *plen = int128_get64(int128_min(diff, int128_make64(*plen))); } -- 2.7.4