Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Greetings,
The build error is seen on linux-next and mainline also
Mainline : 6.8.0-rc7
linux-next : 6.8.0-rc7-next-20240304
--- Traces ---
net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
^~~~
./include/asm-generic/rwonce.h:55:33: note: in definition of macro
‘__WRITE_ONCE’
*(volatile typeof(x) *)&(x) = (val); \
^~~
./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
‘WRITE_ONCE’
WRITE_ONCE(*p, v); \
^~
./include/asm-generic/barrier.h:172:55: note: in expansion of macro
‘__smp_store_release’
#define smp_store_release(p, v) do { kcsan_release();
__smp_store_release(p, v); } while (0)
^~~
./include/linux/rcupdate.h:503:3: note: in expansion of macro
‘smp_store_release’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^
./include/linux/rcupdate.h:503:25: note: in expansion of macro
‘RCU_INITIALIZER’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^~~
net/core/dev.c:9081:2: note: in expansion of macro ‘rcu_assign_pointer’
rcu_assign_pointer(dev->dpll_pin, dpll_pin);
On 2/28/24 19:37, Vadim Fedorenko wrote:
On 28/02/2024 11:09, Tasmiya Nalatwad wrote:
Greetings,
[revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Reverting below commit fixes the issue
commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
dpll: rely on rcu for netdev_dpll_pin()
--- Traces ---
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_core.o]
Error 1
make[4]: *** Waiting for unfinished jobs
AR net/mpls/built-in.a
AR net/l3mdev/built-in.a
In file included from ./include/linux/rbtree.h:24,
from ./include/linux/mm_types.h:11,
from ./include/linux/mmzone.h:22,
from ./include/linux/gfp.h:7,
from ./include/linux/umh.h:4,
from ./include/linux/kmod.h:9,
from ./include/linux/module.h:17,
from drivers/dpll/dpll_netlink.c:9:
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
make[4]: *** [scripts/Makefile.build:243:
drivers/dpll/dpll_netlink.o] Error 1
make[3]: *** [scripts/Makefile.build:481: drivers/dpll] Error 2
make[3]: *** Waiting for unfinished jobs
In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:251,
from ./include/linux/instrumented.h:10,
from ./include/linux/uaccess.h:6,
from net/core/dev.c:71:
net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
^~~~
./include/asm-generic/rwonce.h:55:33: note: in definition of macro
‘__WRITE_ONCE’
*(volatile typeof(x) *)&(x) = (val); \
^~~
./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of
macro ‘WRITE_ONCE’
WRITE_ONCE(*p, v); \
^~
./include/asm-generic/barrier.h:172:55: note: in expansion of macro
‘__smp_store_release’
#define smp_store_release(p, v) do { kcsan_release();
__smp_store_release(p, v); } while (0)
^~
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Greetings,
This is tied to gcc version. Build failure is seen while using gcc-8.5.x
On 2/29/24 20:17, Jakub Kicinski wrote:
On Thu, 29 Feb 2024 09:55:22 +0100 Eric Dumazet wrote:
I do not see other solution than this, otherwise we have to add more
pollution to include/linux/netdevice.h
Right :(
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index
a9c973b92294bb110cf3cd336485972127b01b58..40797ea80bc6273cae6b7773d0a3e47459a72150
100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2469,7 +2469,7 @@ struct net_device {
struct devlink_port *devlink_port;
#if IS_ENABLED(CONFIG_DPLL)
- struct dpll_pin __rcu *dpll_pin;
+ void __rcu *dpll_pin;
#endif
If DPLL wants to hide its type definitions the helpers must live
in dpll? IOW move netdev_dpll_pin() to drivers/dpll/dpll_core.c
BTW Tasmiya, please do tell us what compiler you're using.
--
Regards,
Tasmiya Nalatwad
IBM Linux Technology Center
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
On Thu, Feb 29, 2024 at 3:53 PM Eric Dumazet wrote:
>
> On Thu, Feb 29, 2024 at 3:47 PM Jakub Kicinski wrote:
> >
> > On Thu, 29 Feb 2024 09:55:22 +0100 Eric Dumazet wrote:
> > > I do not see other solution than this, otherwise we have to add more
> > > pollution to include/linux/netdevice.h
> >
> > Right :(
> >
> > > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> > > index
> > > a9c973b92294bb110cf3cd336485972127b01b58..40797ea80bc6273cae6b7773d0a3e47459a72150
> > > 100644
> > > --- a/include/linux/netdevice.h
> > > +++ b/include/linux/netdevice.h
> > > @@ -2469,7 +2469,7 @@ struct net_device {
> > > struct devlink_port *devlink_port;
> > >
> > > #if IS_ENABLED(CONFIG_DPLL)
> > > - struct dpll_pin __rcu *dpll_pin;
> > > + void __rcu *dpll_pin;
> > > #endif
> >
> > If DPLL wants to hide its type definitions the helpers must live
> > in dpll? IOW move netdev_dpll_pin() to drivers/dpll/dpll_core.c
>
> Oh for some reason I thought this stuff was a module.
>
> Otherwise, why having dpll 'core' helpers in net/core/dev.c
So, we would have something a bit convoluted like :
diff --git a/drivers/dpll/dpll_core.c b/drivers/dpll/dpll_core.c
index
4c2bb27c99fe4e517b0d92c4ae3db83a679c7d11..241db366b2c74ae749f49612d86176b2f8f479c1
100644
--- a/drivers/dpll/dpll_core.c
+++ b/drivers/dpll/dpll_core.c
@@ -42,6 +42,11 @@ struct dpll_pin_registration {
void *priv;
};
+struct dpll_pin *netdev_dpll_pin(const struct net_device *dev)
+{
+ return rcu_dereference_rtnl(dev->dpll_pin);
+}
+
struct dpll_device *dpll_device_get_by_id(int id)
{
if (xa_get_mark(_device_xa, id, DPLL_REGISTERED))
diff --git a/include/linux/dpll.h b/include/linux/dpll.h
index
4ec2fe9caf5a3f284afd0cfe4fc7c2bf42cbbc60..c60591308ae80fb99aa5abb5832b9a228473a916
100644
--- a/include/linux/dpll.h
+++ b/include/linux/dpll.h
@@ -169,13 +169,13 @@ int dpll_device_change_ntf(struct dpll_device *dpll);
int dpll_pin_change_ntf(struct dpll_pin *pin);
+#if !IS_ENABLED(CONFIG_DPLL)
static inline struct dpll_pin *netdev_dpll_pin(const struct net_device *dev)
{
-#if IS_ENABLED(CONFIG_DPLL)
- return rcu_dereference_rtnl(dev->dpll_pin);
-#else
return NULL;
-#endif
}
+#else
+struct dpll_pin *netdev_dpll_pin(const struct net_device *dev);
+#endif
#endif
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
On Thu, Feb 29, 2024 at 3:47 PM Jakub Kicinski wrote:
>
> On Thu, 29 Feb 2024 09:55:22 +0100 Eric Dumazet wrote:
> > I do not see other solution than this, otherwise we have to add more
> > pollution to include/linux/netdevice.h
>
> Right :(
>
> > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> > index
> > a9c973b92294bb110cf3cd336485972127b01b58..40797ea80bc6273cae6b7773d0a3e47459a72150
> > 100644
> > --- a/include/linux/netdevice.h
> > +++ b/include/linux/netdevice.h
> > @@ -2469,7 +2469,7 @@ struct net_device {
> > struct devlink_port *devlink_port;
> >
> > #if IS_ENABLED(CONFIG_DPLL)
> > - struct dpll_pin __rcu *dpll_pin;
> > + void __rcu *dpll_pin;
> > #endif
>
> If DPLL wants to hide its type definitions the helpers must live
> in dpll? IOW move netdev_dpll_pin() to drivers/dpll/dpll_core.c
Oh for some reason I thought this stuff was a module.
Otherwise, why having dpll 'core' helpers in net/core/dev.c
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
On Thu, 29 Feb 2024 09:55:22 +0100 Eric Dumazet wrote:
> I do not see other solution than this, otherwise we have to add more
> pollution to include/linux/netdevice.h
Right :(
> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> index
> a9c973b92294bb110cf3cd336485972127b01b58..40797ea80bc6273cae6b7773d0a3e47459a72150
> 100644
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -2469,7 +2469,7 @@ struct net_device {
> struct devlink_port *devlink_port;
>
> #if IS_ENABLED(CONFIG_DPLL)
> - struct dpll_pin __rcu *dpll_pin;
> + void __rcu *dpll_pin;
> #endif
If DPLL wants to hide its type definitions the helpers must live
in dpll? IOW move netdev_dpll_pin() to drivers/dpll/dpll_core.c
BTW Tasmiya, please do tell us what compiler you're using.
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
On 29/02/2024 08:55, Eric Dumazet wrote:
On Thu, Feb 29, 2024 at 9:04 AM Tasmiya Nalatwad
wrote:
Greetings,
I have tried the patch provided below. Moving struct to file
"net/core/rtnetlink.c" is not resolving the problem. Please find the
below traces.
--- Traces ---
In file included from ./include/linux/rbtree.h:24,
from ./include/linux/mm_types.h:11,
from ./include/linux/mmzone.h:22,
from ./include/linux/gfp.h:7,
from ./include/linux/umh.h:4,
from ./include/linux/kmod.h:9,
from ./include/linux/module.h:17,
from net/core/rtnetlink.c:17:
net/core/rtnetlink.c: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
net/core/rtnetlink.c:1059:15: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
CC crypto/algboss.o
net/core/rtnetlink.c:1063:1: error: control reaches end of non-void
function [-Werror=return-type]
}
^
CC crypto/authenc.o
CC crypto/authencesn.o
CC crypto/af_alg.o
CC crypto/algif_hash.o
CC crypto/algif_skcipher.o
CC crypto/algif_rng.o
CC crypto/algif_aead.o
AR arch/powerpc/kernel/built-in.a
cc1: some warnings being treated as errors
make[4]: *** [scripts/Makefile.build:243: net/core/rtnetlink.o] Error 1
make[4]: *** Waiting for unfinished jobs
CC lib/kobject_uevent.o
AR drivers/net/mdio/built-in.a
AR net/802/built-in.a
AR drivers/connector/built-in.a
CC lib/vsprintf.o
AR ipc/built-in.a
AR net/nsh/built-in.a
CC lib/dynamic_debug.o
In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:251,
from ./include/linux/instrumented.h:10,
from ./include/linux/uaccess.h:6,
from net/core/dev.c:71:
net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
^~~~
./include/asm-generic/rwonce.h:55:33: note: in definition of macro
‘__WRITE_ONCE’
*(volatile typeof(x) *)&(x) = (val);\
^~~
./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
‘WRITE_ONCE’
WRITE_ONCE(*p, v); \
^~
./include/asm-generic/barrier.h:172:55: note: in expansion of macro
‘__smp_store_release’
#define smp_store_release(p, v) do { kcsan_release();
__smp_store_release(p, v); } while (0)
^~~
./include/linux/rcupdate.h:503:3: note: in expansion of macro
‘smp_store_release’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^
./include/linux/rcupdate.h:503:25: note: in expansion of macro
‘RCU_INITIALIZER’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^~~
net/core/dev.c:9081:2: note: in expansion of macro ‘rcu_assign_pointer’
rcu_assign_pointer(dev->dpll_pin, dpll_pin);
^~
On 2/28/24 20:13, Eric Dumazet wrote:
On Wed, Feb 28, 2024 at 3:07 PM Vadim Fedorenko
wrote:
On 28/02/2024 11:09, Tasmiya Nalatwad wrote:
Greetings,
[revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Reverting below commit fixes the issue
commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
dpll: rely on rcu for netdev_dpll_pin()
--- Traces ---
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_core.o] Error
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Latest changes suggested below works, and the issue is not seen.
Tested-by: Tasmiya Nalatwad
On 2/29/24 14:25, Eric Dumazet wrote:
On Thu, Feb 29, 2024 at 9:04 AM Tasmiya Nalatwad
wrote:
Greetings,
I have tried the patch provided below. Moving struct to file
"net/core/rtnetlink.c" is not resolving the problem. Please find the
below traces.
--- Traces ---
In file included from ./include/linux/rbtree.h:24,
from ./include/linux/mm_types.h:11,
from ./include/linux/mmzone.h:22,
from ./include/linux/gfp.h:7,
from ./include/linux/umh.h:4,
from ./include/linux/kmod.h:9,
from ./include/linux/module.h:17,
from net/core/rtnetlink.c:17:
net/core/rtnetlink.c: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
net/core/rtnetlink.c:1059:15: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
CC crypto/algboss.o
net/core/rtnetlink.c:1063:1: error: control reaches end of non-void
function [-Werror=return-type]
}
^
CC crypto/authenc.o
CC crypto/authencesn.o
CC crypto/af_alg.o
CC crypto/algif_hash.o
CC crypto/algif_skcipher.o
CC crypto/algif_rng.o
CC crypto/algif_aead.o
AR arch/powerpc/kernel/built-in.a
cc1: some warnings being treated as errors
make[4]: *** [scripts/Makefile.build:243: net/core/rtnetlink.o] Error 1
make[4]: *** Waiting for unfinished jobs
CC lib/kobject_uevent.o
AR drivers/net/mdio/built-in.a
AR net/802/built-in.a
AR drivers/connector/built-in.a
CC lib/vsprintf.o
AR ipc/built-in.a
AR net/nsh/built-in.a
CC lib/dynamic_debug.o
In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:251,
from ./include/linux/instrumented.h:10,
from ./include/linux/uaccess.h:6,
from net/core/dev.c:71:
net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
^~~~
./include/asm-generic/rwonce.h:55:33: note: in definition of macro
‘__WRITE_ONCE’
*(volatile typeof(x) *)&(x) = (val);\
^~~
./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
‘WRITE_ONCE’
WRITE_ONCE(*p, v); \
^~
./include/asm-generic/barrier.h:172:55: note: in expansion of macro
‘__smp_store_release’
#define smp_store_release(p, v) do { kcsan_release();
__smp_store_release(p, v); } while (0)
^~~
./include/linux/rcupdate.h:503:3: note: in expansion of macro
‘smp_store_release’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^
./include/linux/rcupdate.h:503:25: note: in expansion of macro
‘RCU_INITIALIZER’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^~~
net/core/dev.c:9081:2: note: in expansion of macro ‘rcu_assign_pointer’
rcu_assign_pointer(dev->dpll_pin, dpll_pin);
^~
On 2/28/24 20:13, Eric Dumazet wrote:
On Wed, Feb 28, 2024 at 3:07 PM Vadim Fedorenko
wrote:
On 28/02/2024 11:09, Tasmiya Nalatwad wrote:
Greetings,
[revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Reverting below commit fixes the issue
commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
dpll: rely on rcu for netdev_dpll_pin()
--- Traces ---
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
On Thu, Feb 29, 2024 at 9:04 AM Tasmiya Nalatwad
wrote:
>
> Greetings,
>
> I have tried the patch provided below. Moving struct to file
> "net/core/rtnetlink.c" is not resolving the problem. Please find the
> below traces.
>
> --- Traces ---
>
> In file included from ./include/linux/rbtree.h:24,
> from ./include/linux/mm_types.h:11,
> from ./include/linux/mmzone.h:22,
> from ./include/linux/gfp.h:7,
> from ./include/linux/umh.h:4,
> from ./include/linux/kmod.h:9,
> from ./include/linux/module.h:17,
> from net/core/rtnetlink.c:17:
> net/core/rtnetlink.c: In function ‘netdev_dpll_pin’:
> ./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
> incomplete type ‘struct dpll_pin’
>typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
> ^
> ./include/linux/rcupdate.h:587:2: note: in expansion of macro
> ‘__rcu_dereference_check’
>__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
>^~~
> ./include/linux/rtnetlink.h:70:2: note: in expansion of macro
> ‘rcu_dereference_check’
>rcu_dereference_check(p, lockdep_rtnl_is_held())
>^
> net/core/rtnetlink.c:1059:15: note: in expansion of macro
> ‘rcu_dereference_rtnl’
> return rcu_dereference_rtnl(dev->dpll_pin);
> ^~~~
>CC crypto/algboss.o
> net/core/rtnetlink.c:1063:1: error: control reaches end of non-void
> function [-Werror=return-type]
> }
> ^
>CC crypto/authenc.o
>CC crypto/authencesn.o
>CC crypto/af_alg.o
>CC crypto/algif_hash.o
>CC crypto/algif_skcipher.o
>CC crypto/algif_rng.o
>CC crypto/algif_aead.o
>AR arch/powerpc/kernel/built-in.a
> cc1: some warnings being treated as errors
> make[4]: *** [scripts/Makefile.build:243: net/core/rtnetlink.o] Error 1
> make[4]: *** Waiting for unfinished jobs
>CC lib/kobject_uevent.o
>AR drivers/net/mdio/built-in.a
>AR net/802/built-in.a
>AR drivers/connector/built-in.a
>CC lib/vsprintf.o
>AR ipc/built-in.a
>AR net/nsh/built-in.a
>CC lib/dynamic_debug.o
> In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
> from ./include/linux/compiler.h:251,
> from ./include/linux/instrumented.h:10,
> from ./include/linux/uaccess.h:6,
> from net/core/dev.c:71:
> net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
> ./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
> incomplete type ‘struct dpll_pin’
> #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
> ^~~~
> ./include/asm-generic/rwonce.h:55:33: note: in definition of macro
> ‘__WRITE_ONCE’
>*(volatile typeof(x) *)&(x) = (val);\
> ^~~
> ./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
> ‘WRITE_ONCE’
>WRITE_ONCE(*p, v); \
>^~
> ./include/asm-generic/barrier.h:172:55: note: in expansion of macro
> ‘__smp_store_release’
> #define smp_store_release(p, v) do { kcsan_release();
> __smp_store_release(p, v); } while (0)
> ^~~
> ./include/linux/rcupdate.h:503:3: note: in expansion of macro
> ‘smp_store_release’
> smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
> ^
> ./include/linux/rcupdate.h:503:25: note: in expansion of macro
> ‘RCU_INITIALIZER’
> smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
> ^~~
> net/core/dev.c:9081:2: note: in expansion of macro ‘rcu_assign_pointer’
> rcu_assign_pointer(dev->dpll_pin, dpll_pin);
>^~
>
> On 2/28/24 20:13, Eric Dumazet wrote:
> > On Wed, Feb 28, 2024 at 3:07 PM Vadim Fedorenko
> > wrote:
> >> On 28/02/2024 11:09, Tasmiya Nalatwad wrote:
> >>> Greetings,
> >>>
> >>> [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
> >>>
> >>> Reverting below commit fixes the issue
> >>>
> >>> commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
> >>> dpll: rely on rcu for netdev_dpll_pin()
> >>>
> >>> --- Traces ---
> >>>
> >>> ./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
> >>> ./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
> >>> incomplete type ‘struct dpll_pin’
> >&g
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Greetings,
I have tried the patch provided below. Moving struct to file
"net/core/rtnetlink.c" is not resolving the problem. Please find the
below traces.
--- Traces ---
In file included from ./include/linux/rbtree.h:24,
from ./include/linux/mm_types.h:11,
from ./include/linux/mmzone.h:22,
from ./include/linux/gfp.h:7,
from ./include/linux/umh.h:4,
from ./include/linux/kmod.h:9,
from ./include/linux/module.h:17,
from net/core/rtnetlink.c:17:
net/core/rtnetlink.c: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
net/core/rtnetlink.c:1059:15: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
CC crypto/algboss.o
net/core/rtnetlink.c:1063:1: error: control reaches end of non-void
function [-Werror=return-type]
}
^
CC crypto/authenc.o
CC crypto/authencesn.o
CC crypto/af_alg.o
CC crypto/algif_hash.o
CC crypto/algif_skcipher.o
CC crypto/algif_rng.o
CC crypto/algif_aead.o
AR arch/powerpc/kernel/built-in.a
cc1: some warnings being treated as errors
make[4]: *** [scripts/Makefile.build:243: net/core/rtnetlink.o] Error 1
make[4]: *** Waiting for unfinished jobs
CC lib/kobject_uevent.o
AR drivers/net/mdio/built-in.a
AR net/802/built-in.a
AR drivers/connector/built-in.a
CC lib/vsprintf.o
AR ipc/built-in.a
AR net/nsh/built-in.a
CC lib/dynamic_debug.o
In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:251,
from ./include/linux/instrumented.h:10,
from ./include/linux/uaccess.h:6,
from net/core/dev.c:71:
net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
^~~~
./include/asm-generic/rwonce.h:55:33: note: in definition of macro
‘__WRITE_ONCE’
*(volatile typeof(x) *)&(x) = (val); \
^~~
./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
‘WRITE_ONCE’
WRITE_ONCE(*p, v); \
^~
./include/asm-generic/barrier.h:172:55: note: in expansion of macro
‘__smp_store_release’
#define smp_store_release(p, v) do { kcsan_release();
__smp_store_release(p, v); } while (0)
^~~
./include/linux/rcupdate.h:503:3: note: in expansion of macro
‘smp_store_release’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^
./include/linux/rcupdate.h:503:25: note: in expansion of macro
‘RCU_INITIALIZER’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^~~
net/core/dev.c:9081:2: note: in expansion of macro ‘rcu_assign_pointer’
rcu_assign_pointer(dev->dpll_pin, dpll_pin);
^~
On 2/28/24 20:13, Eric Dumazet wrote:
On Wed, Feb 28, 2024 at 3:07 PM Vadim Fedorenko
wrote:
On 28/02/2024 11:09, Tasmiya Nalatwad wrote:
Greetings,
[revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Reverting below commit fixes the issue
commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
dpll: rely on rcu for netdev_dpll_pin()
--- Traces ---
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_core.o] Error 1
make[4]: *** Waiting for unfinished jobs
AR net/mpls/built-in.a
AR net/l3mdev/built-in.a
In file included from ./include/linux/rbtree.h:24,
from ./i
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Le 28/02/2024 à 15:43, Eric Dumazet a écrit :
> On Wed, Feb 28, 2024 at 3:07 PM Vadim Fedorenko
> wrote:
>>
>> On 28/02/2024 11:09, Tasmiya Nalatwad wrote:
>>> Greetings,
>>>
>>> [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
>>>
>>> Reverting below commit fixes the issue
>>>
>>> commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
>>> dpll: rely on rcu for netdev_dpll_pin()
>>>
>>> --- Traces ---
>>>
>>> ./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
>>> ./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
>>> incomplete type ‘struct dpll_pin’
>>> typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
>>>^
>>> ./include/linux/rcupdate.h:587:2: note: in expansion of macro
>>> ‘__rcu_dereference_check’
>>> __rcu_dereference_check((p), __UNIQUE_ID(rcu), \
>>> ^~~
>>> ./include/linux/rtnetlink.h:70:2: note: in expansion of macro
>>> ‘rcu_dereference_check’
>>> rcu_dereference_check(p, lockdep_rtnl_is_held())
>>> ^
>>> ./include/linux/dpll.h:175:9: note: in expansion of macro
>>> ‘rcu_dereference_rtnl’
>>> return rcu_dereference_rtnl(dev->dpll_pin);
>>>^~~~
>>> make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_core.o] Error 1
>>> make[4]: *** Waiting for unfinished jobs
>>> AR net/mpls/built-in.a
>>> AR net/l3mdev/built-in.a
>>> In file included from ./include/linux/rbtree.h:24,
>>>from ./include/linux/mm_types.h:11,
>>>from ./include/linux/mmzone.h:22,
>>>from ./include/linux/gfp.h:7,
>>>from ./include/linux/umh.h:4,
>>>from ./include/linux/kmod.h:9,
>>>from ./include/linux/module.h:17,
>>>from drivers/dpll/dpll_netlink.c:9:
>>> ./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
>>> ./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
>>> incomplete type ‘struct dpll_pin’
>>> typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
>>>^
>>> ./include/linux/rcupdate.h:587:2: note: in expansion of macro
>>> ‘__rcu_dereference_check’
>>> __rcu_dereference_check((p), __UNIQUE_ID(rcu), \
>>> ^~~
>>> ./include/linux/rtnetlink.h:70:2: note: in expansion of macro
>>> ‘rcu_dereference_check’
>>> rcu_dereference_check(p, lockdep_rtnl_is_held())
>>> ^
>>> ./include/linux/dpll.h:175:9: note: in expansion of macro
>>> ‘rcu_dereference_rtnl’
>>> return rcu_dereference_rtnl(dev->dpll_pin);
>>>^~~~
>>> make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_netlink.o]
>>> Error 1
>>> make[3]: *** [scripts/Makefile.build:481: drivers/dpll] Error 2
>>> make[3]: *** Waiting for unfinished jobs
>>> In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
>>>from ./include/linux/compiler.h:251,
>>>from ./include/linux/instrumented.h:10,
>>>from ./include/linux/uaccess.h:6,
>>>from net/core/dev.c:71:
>>> net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
>>> ./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
>>> incomplete type ‘struct dpll_pin’
>>>#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
>>> ^~~~
>>> ./include/asm-generic/rwonce.h:55:33: note: in definition of macro
>>> ‘__WRITE_ONCE’
>>> *(volatile typeof(x) *)&(x) = (val);\
>>>^~~
>>> ./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
>>> ‘WRITE_ONCE’
>>> WRITE_ONCE(*p, v); \
>>> ^~
>>> ./include/asm-generic/barrier.h:172:55: note: in expansion of macro
>>> ‘__smp_store_release’
>>>#define smp_store_release(p, v) do { kcsan_release();
>>> __smp_store_release(p, v); } while (0)
>>> ^~~
>>> ./include/linux/rcupdate.h:503:3: note: in expansion of macro
>>> ‘smp_store_release’
>>> smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
>>> ^~~~
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
On Wed, Feb 28, 2024 at 3:07 PM Vadim Fedorenko
wrote:
>
> On 28/02/2024 11:09, Tasmiya Nalatwad wrote:
> > Greetings,
> >
> > [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
> >
> > Reverting below commit fixes the issue
> >
> > commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
> > dpll: rely on rcu for netdev_dpll_pin()
> >
> > --- Traces ---
> >
> > ./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
> > ./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
> > incomplete type ‘struct dpll_pin’
> >typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
> > ^
> > ./include/linux/rcupdate.h:587:2: note: in expansion of macro
> > ‘__rcu_dereference_check’
> >__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
> >^~~
> > ./include/linux/rtnetlink.h:70:2: note: in expansion of macro
> > ‘rcu_dereference_check’
> >rcu_dereference_check(p, lockdep_rtnl_is_held())
> >^
> > ./include/linux/dpll.h:175:9: note: in expansion of macro
> > ‘rcu_dereference_rtnl’
> >return rcu_dereference_rtnl(dev->dpll_pin);
> > ^~~~
> > make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_core.o] Error 1
> > make[4]: *** Waiting for unfinished jobs
> >AR net/mpls/built-in.a
> >AR net/l3mdev/built-in.a
> > In file included from ./include/linux/rbtree.h:24,
> > from ./include/linux/mm_types.h:11,
> > from ./include/linux/mmzone.h:22,
> > from ./include/linux/gfp.h:7,
> > from ./include/linux/umh.h:4,
> > from ./include/linux/kmod.h:9,
> > from ./include/linux/module.h:17,
> > from drivers/dpll/dpll_netlink.c:9:
> > ./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
> > ./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
> > incomplete type ‘struct dpll_pin’
> >typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
> > ^
> > ./include/linux/rcupdate.h:587:2: note: in expansion of macro
> > ‘__rcu_dereference_check’
> >__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
> >^~~
> > ./include/linux/rtnetlink.h:70:2: note: in expansion of macro
> > ‘rcu_dereference_check’
> >rcu_dereference_check(p, lockdep_rtnl_is_held())
> >^
> > ./include/linux/dpll.h:175:9: note: in expansion of macro
> > ‘rcu_dereference_rtnl’
> >return rcu_dereference_rtnl(dev->dpll_pin);
> > ^~~~
> > make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_netlink.o]
> > Error 1
> > make[3]: *** [scripts/Makefile.build:481: drivers/dpll] Error 2
> > make[3]: *** Waiting for unfinished jobs
> > In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
> > from ./include/linux/compiler.h:251,
> > from ./include/linux/instrumented.h:10,
> > from ./include/linux/uaccess.h:6,
> > from net/core/dev.c:71:
> > net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
> > ./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
> > incomplete type ‘struct dpll_pin’
> > #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
> > ^~~~
> > ./include/asm-generic/rwonce.h:55:33: note: in definition of macro
> > ‘__WRITE_ONCE’
> >*(volatile typeof(x) *)&(x) = (val);\
> > ^~~
> > ./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
> > ‘WRITE_ONCE’
> >WRITE_ONCE(*p, v); \
> >^~
> > ./include/asm-generic/barrier.h:172:55: note: in expansion of macro
> > ‘__smp_store_release’
> > #define smp_store_release(p, v) do { kcsan_release();
> > __smp_store_release(p, v); } while (0)
> > ^~~
> > ./include/linux/rcupdate.h:503:3: note: in expansion of macro
> > ‘smp_store_release’
> > smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
> > ^
> > ./include/linux/rcupdate.h:503:25: note: in expansion of macro
> > ‘RCU_INITIALIZER’
> > smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
> > ^~~
> > net/core/dev.c:9081:2: note: in expansion of macro ‘rcu_assign_pointer’
> >rcu_assign_pointer(dev->dpll_pin
Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
On 28/02/2024 11:09, Tasmiya Nalatwad wrote:
Greetings,
[revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Reverting below commit fixes the issue
commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
dpll: rely on rcu for netdev_dpll_pin()
--- Traces ---
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_core.o] Error 1
make[4]: *** Waiting for unfinished jobs
AR net/mpls/built-in.a
AR net/l3mdev/built-in.a
In file included from ./include/linux/rbtree.h:24,
from ./include/linux/mm_types.h:11,
from ./include/linux/mmzone.h:22,
from ./include/linux/gfp.h:7,
from ./include/linux/umh.h:4,
from ./include/linux/kmod.h:9,
from ./include/linux/module.h:17,
from drivers/dpll/dpll_netlink.c:9:
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_netlink.o]
Error 1
make[3]: *** [scripts/Makefile.build:481: drivers/dpll] Error 2
make[3]: *** Waiting for unfinished jobs
In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:251,
from ./include/linux/instrumented.h:10,
from ./include/linux/uaccess.h:6,
from net/core/dev.c:71:
net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
^~~~
./include/asm-generic/rwonce.h:55:33: note: in definition of macro
‘__WRITE_ONCE’
*(volatile typeof(x) *)&(x) = (val); \
^~~
./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
‘WRITE_ONCE’
WRITE_ONCE(*p, v); \
^~
./include/asm-generic/barrier.h:172:55: note: in expansion of macro
‘__smp_store_release’
#define smp_store_release(p, v) do { kcsan_release();
__smp_store_release(p, v); } while (0)
^~~
./include/linux/rcupdate.h:503:3: note: in expansion of macro
‘smp_store_release’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^
./include/linux/rcupdate.h:503:25: note: in expansion of macro
‘RCU_INITIALIZER’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^~~
net/core/dev.c:9081:2: note: in expansion of macro ‘rcu_assign_pointer’
rcu_assign_pointer(dev->dpll_pin, dpll_pin);
^~
make[4]: *** [scripts/Makefile.build:243: net/core/dev.o] Error 1
make[4]: *** Waiting for unfinished jobs
AR drivers/net/ethernet/built-in.a
AR drivers/net/built-in.a
AR net/dcb/built-in.a
AR net/netlabel/built-in.a
AR net/strparser/built-in.a
AR net/handshake/built-in.a
GEN lib/test_fortify.log
AR net/8021q/built-in.a
AR net/nsh/built-in.a
AR net/unix/built-in.a
CC lib/string.o
AR net/packet/built-in.a
AR net/switchdev/built-in.a
AR lib/lib.a
AR net/mptcp/built-in.a
AR net/devlink/built-in.a
In file included from ./include/linux/rbtree.h:24,
from ./include/linux/mm_types.h:11,
from ./include/linux/mmzone.h:22,
from ./include/linux/gfp.h:7,
from ./include/linux/umh.h:4,
from ./include/l
[revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Greetings,
[revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure
Reverting below commit fixes the issue
commit 0d60d8df6f493bb46bf5db40d39dd60a1bafdd4e
dpll: rely on rcu for netdev_dpll_pin()
--- Traces ---
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_core.o] Error 1
make[4]: *** Waiting for unfinished jobs
AR net/mpls/built-in.a
AR net/l3mdev/built-in.a
In file included from ./include/linux/rbtree.h:24,
from ./include/linux/mm_types.h:11,
from ./include/linux/mmzone.h:22,
from ./include/linux/gfp.h:7,
from ./include/linux/umh.h:4,
from ./include/linux/kmod.h:9,
from ./include/linux/module.h:17,
from drivers/dpll/dpll_netlink.c:9:
./include/linux/dpll.h: In function ‘netdev_dpll_pin’:
./include/linux/rcupdate.h:439:9: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \
^
./include/linux/rcupdate.h:587:2: note: in expansion of macro
‘__rcu_dereference_check’
__rcu_dereference_check((p), __UNIQUE_ID(rcu), \
^~~
./include/linux/rtnetlink.h:70:2: note: in expansion of macro
‘rcu_dereference_check’
rcu_dereference_check(p, lockdep_rtnl_is_held())
^
./include/linux/dpll.h:175:9: note: in expansion of macro
‘rcu_dereference_rtnl’
return rcu_dereference_rtnl(dev->dpll_pin);
^~~~
make[4]: *** [scripts/Makefile.build:243: drivers/dpll/dpll_netlink.o]
Error 1
make[3]: *** [scripts/Makefile.build:481: drivers/dpll] Error 2
make[3]: *** Waiting for unfinished jobs
In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
from ./include/linux/compiler.h:251,
from ./include/linux/instrumented.h:10,
from ./include/linux/uaccess.h:6,
from net/core/dev.c:71:
net/core/dev.c: In function ‘netdev_dpll_pin_assign’:
./include/linux/rcupdate.h:462:36: error: dereferencing pointer to
incomplete type ‘struct dpll_pin’
#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
^~~~
./include/asm-generic/rwonce.h:55:33: note: in definition of macro
‘__WRITE_ONCE’
*(volatile typeof(x) *)&(x) = (val); \
^~~
./arch/powerpc/include/asm/barrier.h:76:2: note: in expansion of macro
‘WRITE_ONCE’
WRITE_ONCE(*p, v); \
^~
./include/asm-generic/barrier.h:172:55: note: in expansion of macro
‘__smp_store_release’
#define smp_store_release(p, v) do { kcsan_release();
__smp_store_release(p, v); } while (0)
^~~
./include/linux/rcupdate.h:503:3: note: in expansion of macro
‘smp_store_release’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^
./include/linux/rcupdate.h:503:25: note: in expansion of macro
‘RCU_INITIALIZER’
smp_store_release(, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
^~~
net/core/dev.c:9081:2: note: in expansion of macro ‘rcu_assign_pointer’
rcu_assign_pointer(dev->dpll_pin, dpll_pin);
^~
make[4]: *** [scripts/Makefile.build:243: net/core/dev.o] Error 1
make[4]: *** Waiting for unfinished jobs
AR drivers/net/ethernet/built-in.a
AR drivers/net/built-in.a
AR net/dcb/built-in.a
AR net/netlabel/built-in.a
AR net/strparser/built-in.a
AR net/handshake/built-in.a
GEN lib/test_fortify.log
AR net/8021q/built-in.a
AR net/nsh/built-in.a
AR net/unix/built-in.a
CC lib/string.o
AR net/packet/built-in.a
AR net/switchdev/built-in.a
AR lib/lib.a
AR net/mptcp/built-in.a
AR net/devlink/built-in.a
In file included from ./include/linux/rbtree.h:24,
from ./include/linux/mm_types.h:11,
from ./include/linux/mmzone.h:22,
from ./include/linux/gfp.h:7,
from ./include/linux/umh.h:4,
from ./include/linux/kmod.h:9,
from ./include/linux/module.h:17,
from net/core/rtnetlink.c:17:
./include
