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[Qemu-trivial] [PATCH 07/16] xen: Use DIV_ROUND_UP
From: |
Laurent Vivier |
Subject: |
[Qemu-trivial] [PATCH 07/16] xen: Use DIV_ROUND_UP |
Date: |
Tue, 31 May 2016 18:35:56 +0200 |
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 <address@hidden>
Signed-off-by: Laurent Vivier <address@hidden>
---
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
- [Qemu-trivial] [PATCH 00/16] use macro DIV_ROUND_UP instead of (((n) + (d) - 1) /(d)), Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 01/16] coccinelle: use macro DIV_ROUND_UP instead of (((n) + (d) - 1) /(d)), Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 02/16] parallels: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 03/16] qcow/qcow2: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 07/16] xen: Use DIV_ROUND_UP,
Laurent Vivier <=
- [Qemu-trivial] [PATCH 06/16] crypto: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 05/16] block: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 04/16] qed: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 08/16] audio: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 09/16] SPICE: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 10/16] rocker: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31
- [Qemu-trivial] [PATCH 12/16] slirp: Use DIV_ROUND_UP, Laurent Vivier, 2016/05/31