[dpdk-dev] [PATCH v4 00/27] OCTEON TX2 common and mempool driver

Jerin Jacob Kollanukkaran jerinj at marvell.com
Fri Jun 28 08:14:54 CEST 2019



> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Jerin Jacob Kollanukkaran
> Sent: Thursday, June 27, 2019 1:45 PM
> To: Ferruh Yigit <ferruh.yigit at intel.com>
> Cc: dev at dpdk.org; Thomas Monjalon <thomas at monjalon.net>; Amit Gupta
> <agupta3 at marvell.com>
> Subject: Re: [dpdk-dev] [PATCH v4 00/27] OCTEON TX2 common and
> mempool driver
> >
> > Hi Jerin,
> >
> > There are some build errors with ICC, there are multiple but mainly
> > two type of them [1a] & [1b].
> >
> > I think [1b] can be fixed quickly [2b] and what do you think about
> > ignoring the warning for [1a] as done in [2a]?
> >
> > If fix makes sense, can you please send a patch for it?
> 
> Will install ICC and send the patches(excluding
> http://mails.dpdk.org/archives/dev/2019-June/135950.html)

Not able to reproduce the issue with latest ICC compiler.
$ icc -v

icc version 19.0.4.235 (gcc version 8.3.1 compatibility)

If you think, it can happen with old ICC compiler. Then we will send a patch with
CFLAGS += -diag-disable 2259 for ICC.

Let us know

> 
> 
> >
> > Thanks,
> > ferruh
> >
> >
> >
> > [1a] error #2259
> > .../dpdk/drivers/common/octeontx2/otx2_mbox.c(47): error #2259: non-
> > pointer conversion from "unsigned long long" to "struct mbox_hdr *"
> > may lose significant bits
> >                 (struct mbox_hdr *)((uintptr_t)mdev->mbase + mbox->tx_start);
> >                 ^
> >
> >
> /tmp/dpdk_maintain/self/dpdk/drivers/mempool/octeontx2/otx2_mempo
> ol.h(
> > 9
> > 4): error
> > #2259: non-pointer conversion from "unsigned long long" to
> > "int64_t={__int64_t={signed long long}} *" may lose significant bits
> >
> >
> >                 (int64_t *)(npa_lf_aura_handle_to_base(aura_handle) +
> >
> >
> >
> >                 ^
> >
> > [1b] error #191
> > .../dpdk/drivers/mempool/octeontx2/otx2_mempool_ops.c(344): error
> #191:
> > type qualifier is meaningless on cast type
> >         int64_t * const addr = (int64_t * const)
> >                                 ^
> >
> >
> > [2a]
> >  diff --git a/drivers/common/octeontx2/Makefile
> > b/drivers/common/octeontx2/Makefile
> >  index fabc32537..b78995e12 100644
> >  --- a/drivers/common/octeontx2/Makefile
> >  +++ b/drivers/common/octeontx2/Makefile
> >  @@ -19,6 +19,10 @@ CFLAGS += -Wno-int-to-pointer-cast
> >   CFLAGS += -Wno-pointer-to-int-cast
> >   endif
> >
> >  +ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y)  +CFLAGS += -diag-disable 2259
> > # non-pointer conversion may lose significant bits  +endif  +
> >   EXPORT_MAP := rte_common_octeontx2_version.map
> >
> >   LIBABIVER := 1
> >  diff --git a/drivers/mempool/octeontx2/Makefile
> > b/drivers/mempool/octeontx2 /Makefile  index b3568443e..37bcebdf3
> > 100644
> >  --- a/drivers/mempool/octeontx2/Makefile
> >  +++ b/drivers/mempool/octeontx2/Makefile
> >  @@ -20,6 +20,10 @@ CFLAGS += -Wno-int-to-pointer-cast
> >   CFLAGS += -Wno-pointer-to-int-cast
> >   endif
> >
> >  +ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y)  +CFLAGS += -diag-disable 2259
> > # non-pointer conversion may lose significant bits  +endif  +
> >   EXPORT_MAP := rte_mempool_octeontx2_version.map
> >
> >   LIBABIVER := 1
> >
> >
> > [2b]
> >  -       int64_t * const addr = (int64_t * const)
> >  +       int64_t * const addr = (int64_t *)


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