From: Leon Romanovsky <leon@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: thor.thayer@linux.intel.com, heiko@sntech.de,
irusskikh@marvell.com, andreas@gaisler.com,
chris.snook@gmail.com, dave@thedillows.org,
jes@trained-monkey.org, iyappan@os.amperecomputing.com,
quan@os.amperecomputing.com, linux-acenic@sunsite.dk,
andy@greyhouse.net, akiyano@amazon.com,
linux-rockchip@lists.infradead.org, wens@csie.org,
LinoSanfilippo@gmx.de, vfalico@gmail.com, kuba@kernel.org,
thomas.lendacky@amd.com, jcliburn@gmail.com,
j.vosburgh@gmail.com, keyur@os.amperecomputing.com,
mripard@kernel.org, pcnet32@frontier.com,
nios2-dev@lists.rocketboards.org,
linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, ionut@badula.org,
netanel@amazon.com, mark.einon@gmail.com,
David Miller <davem@davemloft.net>
Subject: Re: [PATCH] net/3com/3c515: Fix MODULE_ARCH_VERMAGIC redefinition
Date: Tue, 14 Apr 2020 15:23:49 +0300 [thread overview]
Message-ID: <20200414122349.GB1011271@unreal> (raw)
In-Reply-To: <20200413084026.GH334007@unreal>
On Mon, Apr 13, 2020 at 11:40:26AM +0300, Leon Romanovsky wrote:
> On Mon, Apr 13, 2020 at 10:04:52AM +0200, Borislav Petkov wrote:
> > On Sun, Apr 12, 2020 at 10:36:04PM -0700, David Miller wrote:
> > > From: Leon Romanovsky <leon@kernel.org>
> > > Date: Mon, 13 Apr 2020 08:26:37 +0300
> > >
> > > > How do you want us to handle it? Boris resend, me to send, you to fix?
> > >
> > > Anyone other than me can do it ;-)
> >
> > Ok, here's what I'm thinking: that vermagic.h is normally automatically
> > included in the *mod.c as part of the module creation, see add_header()
> > in modpost.c.
> >
> > So then perhaps drivers should not use it directly due to the current
> > inclusion order:
> >
> > linux/module.h includes asm/module.h and that arch-specific header
> > defines MODULE_VERMAGIC* for the respective arch.
> >
> > linux/vermagic.h defines all those fallbacks for those MODULE_VERMAGIC*
> > things and if the inclusion order is swapped - we get the redefinition
> > warning.
> >
> > Yesterday I tried the below - basically get rid of all the remaining
> > includers of linux/vermagic.h but two are left:
> >
> > drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:18:#include <linux/vermagic.h>
> > drivers/net/ethernet/netronome/nfp/nfp_main.c:17:#include <linux/vermagic.h>
> >
> > because both use VERMAGIC_STRING directly.
> >
> > So,
> >
> > * one could either allow that and sort the inclusion order so that, for
> > example, asm/module.h includes linux/vermagic.h and thus the fallbacks
> > are there present.
> >
> > or
> >
> > * remove all uses of VERMAGIC_STRING from the drivers, add a header
> > guard which prevents people from using it directly and leave
> > VERMAGIC_STRING only to the internal module machinery in the kernel.
> >
> > Judging by how only a handful of old drivers are even using that,
> > perhaps not too far fetched.
> >
> > In any case, this needs a maintainer decision.
> >
> > Leon, if you wanna do it whatever you guys end up agreeing on, just go
> > ahead and submit the patches - it's not like I don't have anything else
> > on the TODO :-) Just add a Reported-by: me and that should be enough.
>
> I broke it so I should fix and will send a patch today/tomorrow.
ok, the patches are here, will wait for the kbuild results and will send.
https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git/log/?h=vermagic
Thanks
>
> Thanks
>
> >
> > If you're busy too, lemme know and I'll put it on my todo then.
> >
> > Thx.
> >
> > diff --git a/drivers/net/bonding/bonding_priv.h b/drivers/net/bonding/bonding_priv.h
> > index 45b77bc8c7b3..48cdf3a49a7d 100644
> > --- a/drivers/net/bonding/bonding_priv.h
> > +++ b/drivers/net/bonding/bonding_priv.h
> > @@ -14,7 +14,7 @@
> >
> > #ifndef _BONDING_PRIV_H
> > #define _BONDING_PRIV_H
> > -#include <linux/vermagic.h>
> > +#include <generated/utsrelease.h>
> >
> > #define DRV_NAME "bonding"
> > #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"
> > diff --git a/drivers/net/ethernet/3com/3c509.c b/drivers/net/ethernet/3com/3c509.c
> > index b762176a1406..139d0120f511 100644
> > --- a/drivers/net/ethernet/3com/3c509.c
> > +++ b/drivers/net/ethernet/3com/3c509.c
> > @@ -85,7 +85,6 @@
> > #include <linux/device.h>
> > #include <linux/eisa.h>
> > #include <linux/bitops.h>
> > -#include <linux/vermagic.h>
> >
> > #include <linux/uaccess.h>
> > #include <asm/io.h>
> > diff --git a/drivers/net/ethernet/3com/3c515.c b/drivers/net/ethernet/3com/3c515.c
> > index 90312fcd6319..47b4215bb93b 100644
> > --- a/drivers/net/ethernet/3com/3c515.c
> > +++ b/drivers/net/ethernet/3com/3c515.c
> > @@ -22,7 +22,6 @@
> >
> > */
> >
> > -#include <linux/vermagic.h>
> > #define DRV_NAME "3c515"
> >
> > #define CORKSCREW 1
> > diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c
> > index 2db42211329f..a64191fc2af9 100644
> > --- a/drivers/net/ethernet/adaptec/starfire.c
> > +++ b/drivers/net/ethernet/adaptec/starfire.c
> > @@ -45,7 +45,6 @@
> > #include <asm/processor.h> /* Processor type for cache alignment. */
> > #include <linux/uaccess.h>
> > #include <asm/io.h>
> > -#include <linux/vermagic.h>
> >
> > /*
> > * The current frame processor firmware fails to checksum a fragment
> > diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c
> > index 588c62e9add7..3ed150512091 100644
> > --- a/drivers/net/ethernet/pensando/ionic/ionic_main.c
> > +++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c
> > @@ -6,7 +6,7 @@
> > #include <linux/module.h>
> > #include <linux/netdevice.h>
> > #include <linux/utsname.h>
> > -#include <linux/vermagic.h>
> > +#include <generated/utsrelease.h>
> >
> > #include "ionic.h"
> > #include "ionic_bus.h"
> > diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c
> > index 65c23ef6408d..b3c05ff05783 100644
> > --- a/drivers/power/supply/test_power.c
> > +++ b/drivers/power/supply/test_power.c
> > @@ -16,7 +16,7 @@
> > #include <linux/power_supply.h>
> > #include <linux/errno.h>
> > #include <linux/delay.h>
> > -#include <linux/vermagic.h>
> > +#include <generated/utsrelease.h>
> >
> > enum test_power_id {
> > TEST_AC,
> > diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
> > index 89d0b1827aaf..adab97e500cf 100644
> > --- a/net/ethtool/ioctl.c
> > +++ b/net/ethtool/ioctl.c
> > @@ -17,7 +17,6 @@
> > #include <linux/phy.h>
> > #include <linux/bitops.h>
> > #include <linux/uaccess.h>
> > -#include <linux/vermagic.h>
> > #include <linux/vmalloc.h>
> > #include <linux/sfp.h>
> > #include <linux/slab.h>
> > @@ -29,6 +28,8 @@
> > #include <net/flow_offload.h>
> > #include <linux/ethtool_netlink.h>
> >
> > +#include <generated/utsrelease.h>
> > +
> > #include "common.h"
> >
> > /*
> >
> >
> > --
> > Regards/Gruss,
> > Boris.
> >
> > https://people.kernel.org/tglx/notes-about-netiquette
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next prev parent reply other threads:[~2020-04-14 12:24 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-24 8:52 [PATCH net-next v1 00/18] Clean driver, module and FW versions Leon Romanovsky
2020-02-24 8:52 ` [PATCH net-next v1 01/18] net/bond: Delete driver and module versions Leon Romanovsky
2020-02-24 8:52 ` [PATCH net-next v1 02/18] net/dummy: Ditch " Leon Romanovsky
2020-02-24 8:52 ` [PATCH net-next v1 03/18] net/3com: Delete driver and module versions from 3com drivers Leon Romanovsky
2020-04-11 15:56 ` [PATCH] net/3com/3c515: Fix MODULE_ARCH_VERMAGIC redefinition Borislav Petkov
2020-04-11 16:11 ` Leon Romanovsky
2020-04-11 17:35 ` Borislav Petkov
2020-04-11 18:10 ` Leon Romanovsky
2020-04-11 18:41 ` Borislav Petkov
2020-04-13 4:03 ` David Miller
2020-04-13 4:55 ` Leon Romanovsky
2020-04-13 5:07 ` David Miller
2020-04-13 5:26 ` Leon Romanovsky
2020-04-13 5:36 ` David Miller
2020-04-13 8:04 ` Borislav Petkov
2020-04-13 8:40 ` Leon Romanovsky
2020-04-14 12:23 ` Leon Romanovsky [this message]
2020-02-24 8:52 ` [PATCH net-next v1 04/18] net/adaptec: Clean driver versions Leon Romanovsky
2020-02-24 8:52 ` [PATCH net-next v1 05/18] net/aeroflex: Clean ethtool_info struct assignments Leon Romanovsky
2020-02-24 8:52 ` [PATCH net-next v1 06/18] net/aeroflex: Don't assign FW if it is not available Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 07/18] net/agere: Delete unneeded driver version Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 08/18] net/alacritech: Delete " Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 09/18] net/allwinner: Remove " Leon Romanovsky
2020-02-24 9:43 ` Maxime Ripard
2020-02-24 8:53 ` [PATCH net-next v1 10/18] net/alteon: Properly report FW version Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 11/18] net/althera: Delete hardcoded driver version Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 12/18] net/amazon: Ensure that driver version is aligned to the linux kernel Leon Romanovsky
2020-02-24 9:03 ` Kiyanovski, Arthur
2020-02-24 9:41 ` Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 13/18] net/amd: Remove useless driver version Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 14/18] net/apm: " Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 15/18] net/apm: Properly mark absence of FW Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 16/18] net/aquantia: Delete module version Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 17/18] net/arc: Delete driver version Leon Romanovsky
2020-02-24 8:53 ` [PATCH net-next v1 18/18] net/atheros: Clean atheros code from " Leon Romanovsky
2020-02-24 18:15 ` Chris Snook
2020-02-24 19:49 ` [PATCH net-next v1 00/18] Clean driver, module and FW versions David Miller
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