DPDK patches and discussions
 help / color / mirror / Atom feed
From: David Marchand <david.marchand@redhat.com>
To: Andrew Rybchenko <arybchenko@solarflare.com>
Cc: Bruce Richardson <bruce.richardson@intel.com>, dev <dev@dpdk.org>,
	 Ori Kam <orika@mellanox.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	 Ferruh Yigit <ferruh.yigit@intel.com>,
	Xiao Zhang <xiao.zhang@intel.com>
Subject: Re: [dpdk-dev] [PATCH 3/3] ethdev: fix build warning on 64-bit value
Date: Mon, 27 Apr 2020 15:40:30 +0200	[thread overview]
Message-ID: <CAJFAV8wV34F34cQSOQ9fART_speH2ckhQ+BKgP5oNC6PSvfTWQ@mail.gmail.com> (raw)
In-Reply-To: <ceb38037-da3a-8ddb-61a0-c88bbe13ac17@solarflare.com>

On Mon, Apr 27, 2020 at 3:39 PM Andrew Rybchenko
<arybchenko@solarflare.com> wrote:
>
> On 4/27/20 4:34 PM, Bruce Richardson wrote:
> > On Mon, Apr 27, 2020 at 03:23:41PM +0200, David Marchand wrote:
> >> Building OVS with dpdk, sparse complains about 64-bit constant being
> >> passed as a normal integer that can't fit it:
> >> error: constant 0xffffffffffffffff is so big it is unsigned long
> >>
> >> Fixes: ecbc8570131d ("ethdev: add PFCP header to flow API")
> >>
> >> Signed-off-by: David Marchand <david.marchand@redhat.com>
> >> ---
> >>  lib/librte_ethdev/rte_flow.h | 2 +-
> >>  1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
> >> index 132b44edc6..1fb94f35e8 100644
> >> --- a/lib/librte_ethdev/rte_flow.h
> >> +++ b/lib/librte_ethdev/rte_flow.h
> >> @@ -1534,7 +1534,7 @@ struct rte_flow_item_pfcp {
> >>  #ifndef __cplusplus
> >>  static const struct rte_flow_item_pfcp rte_flow_item_pfcp_mask = {
> >>      .s_field = 0x01,
> >> -    .seid = RTE_BE64(0xffffffffffffffff),
> >> +    .seid = RTE_BE64(UINT64_C(0xffffffffffffffff)),
> > Rather than cast, why not put "ULL" at the end.
>
> It is not a cast as far as I can see, it is exactly ULL (or UL):
> /usr/include/stdint.h
> # if __WORDSIZE == 64
> #  define UINT64_C(c)   c ## UL
> # else
> #  define UINT64_C(c)   c ## ULL
> # endif

Yes.


-- 
David Marchand


  reply	other threads:[~2020-04-27 13:40 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-27 13:23 [dpdk-dev] [PATCH 0/3] 20.05-rc1 fixes for OVS David Marchand
2020-04-27 13:23 ` [dpdk-dev] [PATCH 1/3] ring: fix build with -Wswitch-enum David Marchand
2020-04-27 14:55   ` Ananyev, Konstantin
2020-04-27 13:23 ` [dpdk-dev] [PATCH 2/3] eal: fix typo in endian conversion macros David Marchand
2020-04-27 13:35   ` Bruce Richardson
2020-04-27 13:23 ` [dpdk-dev] [PATCH 3/3] ethdev: fix build warning on 64-bit value David Marchand
2020-04-27 13:33   ` Andrew Rybchenko
2020-04-27 13:34   ` Bruce Richardson
2020-04-27 13:36     ` David Marchand
2020-04-27 13:46       ` Ananyev, Konstantin
2020-04-27 14:00         ` David Marchand
2020-04-27 14:07           ` Ferruh Yigit
2020-04-27 14:12             ` David Marchand
2020-04-27 14:14               ` Ferruh Yigit
2020-04-28  9:27           ` Thomas Monjalon
2020-05-06 14:37             ` Morten Brørup
2020-04-27 13:39     ` Andrew Rybchenko
2020-04-27 13:40       ` David Marchand [this message]
2020-04-27 13:43         ` Bruce Richardson
2020-04-28  9:53 ` [dpdk-dev] [PATCH 0/3] 20.05-rc1 fixes for OVS David Marchand

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=CAJFAV8wV34F34cQSOQ9fART_speH2ckhQ+BKgP5oNC6PSvfTWQ@mail.gmail.com \
    --to=david.marchand@redhat.com \
    --cc=arybchenko@solarflare.com \
    --cc=bruce.richardson@intel.com \
    --cc=dev@dpdk.org \
    --cc=ferruh.yigit@intel.com \
    --cc=orika@mellanox.com \
    --cc=thomas@monjalon.net \
    --cc=xiao.zhang@intel.com \
    /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).