From: Laurent Vivier <lvivier@redhat.com>
To: qemu-trivial@nongnu.org, qemu-devel@nongnu.org
Cc: Laurent Vivier <lvivier@redhat.com>, Riku Voipio <riku.voipio@iki.fi>
Subject: [Qemu-devel] [PATCH 13/16] linux-user: Use DIV_ROUND_UP
Date: Tue, 31 May 2016 18:36:02 +0200 [thread overview]
Message-ID: <1464712565-14857-14-git-send-email-lvivier@redhat.com> (raw)
In-Reply-To: <1464712565-14857-1-git-send-email-lvivier@redhat.com>
Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d).
This patch is the result of coccinelle script
scripts/coccinelle/round.cocci
CC: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
---
linux-user/syscall.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index df70255..96ec801 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -829,7 +829,7 @@ static inline abi_long copy_from_user_fdset(fd_set *fds,
int i, nw, j, k;
abi_ulong b, *target_fds;
- nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
+ nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
if (!(target_fds = lock_user(VERIFY_READ,
target_fds_addr,
sizeof(abi_ulong) * nw,
@@ -876,7 +876,7 @@ static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
abi_long v;
abi_ulong *target_fds;
- nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
+ nw = DIV_ROUND_UP(n, TARGET_ABI_BITS);
if (!(target_fds = lock_user(VERIFY_WRITE,
target_fds_addr,
sizeof(abi_ulong) * nw,
--
2.5.5
next prev parent reply other threads:[~2016-05-31 16:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-31 16:35 [Qemu-devel] [PATCH 00/16] use macro DIV_ROUND_UP instead of (((n) + (d) - 1) /(d)) Laurent Vivier
2016-05-31 16:35 ` [Qemu-devel] [PATCH 01/16] coccinelle: " Laurent Vivier
2016-05-31 17:12 ` Eric Blake
2016-05-31 17:24 ` Laurent Vivier
2016-05-31 16:35 ` [Qemu-devel] [PATCH 02/16] parallels: Use DIV_ROUND_UP Laurent Vivier
2016-05-31 17:18 ` Eric Blake
2016-05-31 16:35 ` [Qemu-devel] [PATCH 03/16] qcow/qcow2: " Laurent Vivier
2016-05-31 17:20 ` Eric Blake
2016-05-31 16:35 ` [Qemu-devel] [PATCH 04/16] qed: " Laurent Vivier
2016-05-31 17:49 ` Eric Blake
2016-05-31 16:35 ` [Qemu-devel] [PATCH 05/16] block: " Laurent Vivier
2016-05-31 17:50 ` Eric Blake
2016-05-31 16:35 ` [Qemu-devel] [PATCH 06/16] crypto: " Laurent Vivier
2016-05-31 16:45 ` Daniel P. Berrange
2016-05-31 16:35 ` [Qemu-devel] [PATCH 07/16] xen: " Laurent Vivier
2016-06-01 9:33 ` Stefano Stabellini
2016-05-31 16:35 ` [Qemu-devel] [PATCH 08/16] audio: " Laurent Vivier
2016-05-31 16:35 ` [Qemu-devel] [PATCH 09/16] SPICE: " Laurent Vivier
2016-05-31 16:35 ` [Qemu-devel] [PATCH 10/16] rocker: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 11/16] usb: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 12/16] slirp: " Laurent Vivier
2016-05-31 16:41 ` Samuel Thibault
2016-05-31 16:36 ` Laurent Vivier [this message]
2016-05-31 16:36 ` [Qemu-devel] [PATCH 14/16] pc-bios/s390-ccw: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 15/16] qemu-timer: " Laurent Vivier
2016-05-31 16:36 ` [Qemu-devel] [PATCH 16/16] hbitmap: " Laurent Vivier
2016-06-03 18:17 ` John Snow
2016-06-05 7:16 ` [Qemu-devel] [PATCH 00/16] use macro DIV_ROUND_UP instead of (((n) + (d) - 1) /(d)) Michael Tokarev
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1464712565-14857-14-git-send-email-lvivier@redhat.com \
--to=lvivier@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=qemu-trivial@nongnu.org \
--cc=riku.voipio@iki.fi \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).