From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37201) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7mes-00059J-Pw for qemu-devel@nongnu.org; Tue, 31 May 2016 12:36:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b7mer-0003I7-Nc for qemu-devel@nongnu.org; Tue, 31 May 2016 12:36:46 -0400 From: Laurent Vivier Date: Tue, 31 May 2016 18:35:56 +0200 Message-Id: <1464712565-14857-8-git-send-email-lvivier@redhat.com> In-Reply-To: <1464712565-14857-1-git-send-email-lvivier@redhat.com> References: <1464712565-14857-1-git-send-email-lvivier@redhat.com> Subject: [Qemu-devel] [PATCH 07/16] xen: Use DIV_ROUND_UP List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-trivial@nongnu.org, qemu-devel@nongnu.org Cc: Laurent Vivier , Stefano Stabellini Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d). This patch is the result of coccinelle script scripts/coccinelle/round.cocci CC: Stefano Stabellini Signed-off-by: Laurent Vivier --- hw/display/xenfb.c | 4 ++-- xen-hvm.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/display/xenfb.c b/hw/display/xenfb.c index 9866dfd..570b097 100644 --- a/hw/display/xenfb.c +++ b/hw/display/xenfb.c @@ -472,9 +472,9 @@ static int xenfb_map_fb(struct XenFB *xenfb) xenfb->pixels = NULL; } - xenfb->fbpages = (xenfb->fb_len + (XC_PAGE_SIZE - 1)) / XC_PAGE_SIZE; + xenfb->fbpages = DIV_ROUND_UP(xenfb->fb_len, XC_PAGE_SIZE); n_fbdirs = xenfb->fbpages * mode / 8; - n_fbdirs = (n_fbdirs + (XC_PAGE_SIZE - 1)) / XC_PAGE_SIZE; + n_fbdirs = DIV_ROUND_UP(n_fbdirs, XC_PAGE_SIZE); pgmfns = g_malloc0(sizeof(xen_pfn_t) * n_fbdirs); fbmfns = g_malloc0(sizeof(xen_pfn_t) * xenfb->fbpages); diff --git a/xen-hvm.c b/xen-hvm.c index 01ee25d..a0da8d7 100644 --- a/xen-hvm.c +++ b/xen-hvm.c @@ -567,7 +567,7 @@ static void xen_sync_dirty_bitmap(XenIOState *state, { hwaddr npages = size >> TARGET_PAGE_BITS; const int width = sizeof(unsigned long) * 8; - unsigned long bitmap[(npages + width - 1) / width]; + unsigned long bitmap[DIV_ROUND_UP(npages, width)]; int rc, i, j; const XenPhysmap *physmap = NULL; -- 2.5.5