From: Andrew Morton <akpm@linux-foundation.org> To: Randy Dunlap <rdunlap@infradead.org> Cc: broonie@kernel.org, mhocko@suse.cz, sfr@canb.auug.org.au, linux-next@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, mm-commits@vger.kernel.org, linux-um <linux-um@lists.infradead.org>, paulmck@kernel.org, Richard Weinberger <richard@nod.at>, Johannes Berg <johannes@sipsolutions.net> Subject: Re: mmotm 2022-03-16-17-42 uploaded (uml sub-x86_64, sched/fair, RCU) Date: Thu, 17 Mar 2022 16:51:00 -0700 [thread overview] Message-ID: <20220317165100.2755c5ae6a3a08b7ecb06181@linux-foundation.org> (raw) In-Reply-To: <917e9ce0-c8cf-61b2-d1ba-ebf25bbd979d@infradead.org> On Wed, 16 Mar 2022 21:52:44 -0700 Randy Dunlap <rdunlap@infradead.org> wrote: > >> In file included from ./arch/x86/include/generated/asm/rwonce.h:1:0, > >> from ../include/linux/compiler.h:248, > >> from ../include/linux/kernel.h:20, > >> from ../include/linux/cpumask.h:10, > >> from ../include/linux/energy_model.h:4, > >> from ../kernel/sched/fair.c:23: > >> ../include/linux/psi.h: In function ‘cgroup_move_task’: > >> ../include/linux/rcupdate.h:414:36: error: dereferencing pointer to incomplete type ‘struct css_set’ > >> #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) > >> ^~~~ > > > > Works For Me. I tried `make x86_64_defconfig' and `make i386_defconfig' too. > > > > Can you please share that .config, or debug a bit? > > $ make ARCH=um SUBARCH=x86_64 defconfig > I still can't reproduce this :( > This fixes the build error for me when CONFIG_PSI=n. I have CONFIG_PSI=n > --- > include/linux/psi.h | 3 +++ > 1 file changed, 3 insertions(+) > > --- mmotm-2022-0316-1742.orig/include/linux/psi.h > +++ mmotm-2022-0316-1742/include/linux/psi.h > @@ -53,6 +53,9 @@ static inline int psi_cgroup_alloc(struc > static inline void psi_cgroup_free(struct cgroup *cgrp) > { > } > + > +#include <linux/cgroup-defs.h> > + > static inline void cgroup_move_task(struct task_struct *p, struct css_set *to) > { > rcu_assign_pointer(p->cgroups, to); Nothing in -next touches psi.h so I am unable to determine which patch needs fixing :(
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org> To: Randy Dunlap <rdunlap@infradead.org> Cc: broonie@kernel.org, mhocko@suse.cz, sfr@canb.auug.org.au, linux-next@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, mm-commits@vger.kernel.org, linux-um <linux-um@lists.infradead.org>, paulmck@kernel.org, Richard Weinberger <richard@nod.at>, Johannes Berg <johannes@sipsolutions.net> Subject: Re: mmotm 2022-03-16-17-42 uploaded (uml sub-x86_64, sched/fair, RCU) Date: Thu, 17 Mar 2022 16:51:00 -0700 [thread overview] Message-ID: <20220317165100.2755c5ae6a3a08b7ecb06181@linux-foundation.org> (raw) In-Reply-To: <917e9ce0-c8cf-61b2-d1ba-ebf25bbd979d@infradead.org> On Wed, 16 Mar 2022 21:52:44 -0700 Randy Dunlap <rdunlap@infradead.org> wrote: > >> In file included from ./arch/x86/include/generated/asm/rwonce.h:1:0, > >> from ../include/linux/compiler.h:248, > >> from ../include/linux/kernel.h:20, > >> from ../include/linux/cpumask.h:10, > >> from ../include/linux/energy_model.h:4, > >> from ../kernel/sched/fair.c:23: > >> ../include/linux/psi.h: In function ‘cgroup_move_task’: > >> ../include/linux/rcupdate.h:414:36: error: dereferencing pointer to incomplete type ‘struct css_set’ > >> #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) > >> ^~~~ > > > > Works For Me. I tried `make x86_64_defconfig' and `make i386_defconfig' too. > > > > Can you please share that .config, or debug a bit? > > $ make ARCH=um SUBARCH=x86_64 defconfig > I still can't reproduce this :( > This fixes the build error for me when CONFIG_PSI=n. I have CONFIG_PSI=n > --- > include/linux/psi.h | 3 +++ > 1 file changed, 3 insertions(+) > > --- mmotm-2022-0316-1742.orig/include/linux/psi.h > +++ mmotm-2022-0316-1742/include/linux/psi.h > @@ -53,6 +53,9 @@ static inline int psi_cgroup_alloc(struc > static inline void psi_cgroup_free(struct cgroup *cgrp) > { > } > + > +#include <linux/cgroup-defs.h> > + > static inline void cgroup_move_task(struct task_struct *p, struct css_set *to) > { > rcu_assign_pointer(p->cgroups, to); Nothing in -next touches psi.h so I am unable to determine which patch needs fixing :( _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um
next prev parent reply other threads:[~2022-03-17 23:51 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-17 0:43 mmotm 2022-03-16-17-42 uploaded Andrew Morton 2022-03-17 0:43 ` Andrew Morton 2022-03-17 4:21 ` mmotm 2022-03-16-17-42 uploaded (uml sub-x86_64, sched/fair, RCU) Randy Dunlap 2022-03-17 4:21 ` Randy Dunlap 2022-03-17 4:27 ` Randy Dunlap 2022-03-17 4:27 ` Randy Dunlap 2022-03-17 4:30 ` Andrew Morton 2022-03-17 4:30 ` Andrew Morton 2022-03-17 4:52 ` Randy Dunlap 2022-03-17 4:52 ` Randy Dunlap 2022-03-17 13:43 ` Paul E. McKenney 2022-03-17 13:43 ` Paul E. McKenney 2022-03-17 23:51 ` Andrew Morton [this message] 2022-03-17 23:51 ` Andrew Morton 2022-03-18 0:10 ` Randy Dunlap 2022-03-18 0:10 ` Randy Dunlap 2022-03-18 3:56 ` Randy Dunlap 2022-03-18 3:56 ` Randy Dunlap 2022-03-18 4:32 ` Sachin Sant 2022-03-18 4:32 ` Sachin Sant 2022-03-17 4:24 ` mmotm 2022-03-16-17-42 uploaded (drivers/iio/afe/iio-rescale.o) Randy Dunlap 2022-03-17 4:37 ` mmotm 2022-03-16-17-42 uploaded (drivers/pinctrl/nuvoton/pinctrl-wpcm450.c) Randy Dunlap
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