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From: David Marchand <david.marchand@redhat.com>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev <dev@dpdk.org>, Ferruh Yigit <ferruh.yigit@intel.com>,
	 Kevin Traynor <ktraynor@redhat.com>,
	dpdk stable <stable@dpdk.org>,
	 Christophe Grosse <christophe.grosse@6wind.com>
Subject: Re: [dpdk-stable] [PATCH] kni: fix compilation on RHEL 8.3
Date: Thu, 26 Nov 2020 19:04:56 +0100
Message-ID: <CAJFAV8yQz9fj0nijLzT_uTq=Jzve1RGvmMFbc6d99V47Fcz2AA@mail.gmail.com> (raw)
In-Reply-To: <20201126142344.25018-1-olivier.matz@6wind.com>

On Thu, Nov 26, 2020 at 3:24 PM Olivier Matz <olivier.matz@6wind.com> wrote:
>
> Like what was done for mainline kernel in commit 38ad54f3bc76 ("kni: fix
> build with Linux 5.6"), a new parameter 'txqueue' has to be added to
> 'ndo_tx_timeout' ndo on RHEL 8.3 kernel.
>
> Cc: stable@dpdk.org
>
> Tested-by: Christophe Grosse <christophe.grosse@6wind.com>
> Signed-off-by: Olivier Matz <olivier.matz@6wind.com>

Reproduced issue on a RHEL 8.3 with kernel 4.18.0-240.el8.x86_64.
FAILED: kernel/linux/kni/rte_kni.ko
make -j4 -C /lib/modules/4.18.0-240.el8.x86_64/build
M=/root/dpdk/build/kernel/linux/kni src=/root/dpdk/kernel/linux/kni
'MODULE_CFLAGS=-include /root/dpdk/config/rte_config.h
-I/root/dpdk/lib/librte_eal/include -I/root/dpdk/lib/librte_kni
-I/root/dpdk/build -I/root/dpdk/kernel/linux/kni' modules
make: Entering directory '/usr/src/kernels/4.18.0-240.el8.x86_64'
  CC [M]  /root/dpdk/build/kernel/linux/kni/kni_net.o
  CC [M]  /root/dpdk/build/kernel/linux/kni/kni_misc.o
/root/dpdk/kernel/linux/kni/kni_net.c:791:20: error: initialization of
‘void (*)(struct net_device *, unsigned int)’ from incompatible
pointer type ‘void (*)(struct net_device *)’
[-Werror=incompatible-pointer-types]
  .ndo_tx_timeout = kni_net_tx_timeout,
                    ^~~~~~~~~~~~~~~~~~
/root/dpdk/kernel/linux/kni/kni_net.c:791:20: note: (near
initialization for ‘kni_net_netdev_ops.<anonymous>.ndo_tx_timeout’)
cc1: some warnings being treated as errors
make[1]: *** [scripts/Makefile.build:315:
/root/dpdk/build/kernel/linux/kni/kni_net.o] Error 1
make: *** [Makefile:1544: _module_/root/dpdk/build/kernel/linux/kni] Error 2
make: Leaving directory '/usr/src/kernels/4.18.0-240.el8.x86_64'
ninja: build stopped: subcommand failed.



> ---
>  kernel/linux/kni/compat.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/linux/kni/compat.h b/kernel/linux/kni/compat.h
> index d515b27669..5f65640d5e 100644
> --- a/kernel/linux/kni/compat.h
> +++ b/kernel/linux/kni/compat.h
> @@ -131,7 +131,9 @@
>  #define HAVE_IOVA_TO_KVA_MAPPING_SUPPORT
>  #endif
>
> -#if KERNEL_VERSION(5, 6, 0) <= LINUX_VERSION_CODE
> +#if KERNEL_VERSION(5, 6, 0) <= LINUX_VERSION_CODE || \
> +       (defined(RHEL_RELEASE_CODE) && \
> +        RHEL_RELEASE_VERSION(8, 3) <= RHEL_RELEASE_CODE)
>  #define HAVE_TX_TIMEOUT_TXQUEUE
>  #endif
>
> --
> 2.25.1
>

Tested-by: David Marchand <david.marchand@redhat.com>
Thanks.


-- 
David Marchand


  reply	other threads:[~2020-11-26 18:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-26 14:23 Olivier Matz
2020-11-26 18:04 ` David Marchand [this message]
2020-11-26 18:08   ` Ferruh Yigit
2020-11-27  0:41     ` [dpdk-stable] [dpdk-dev] " Thomas Monjalon

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