From: "Paul E. McKenney" <paulmck@kernel.org>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: broonie@kernel.org,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-um <linux-um@lists.infradead.org>
Subject: Re: linux-next: Tree for Sep 27 (uml 64-bit or 32-bit: tinyconfig)
Date: Tue, 27 Sep 2022 15:42:34 -0700 [thread overview]
Message-ID: <20220927224234.GY4196@paulmck-ThinkPad-P17-Gen-1> (raw)
In-Reply-To: <1d54d4ff-c8a3-145a-7ec5-f32107eda21e@infradead.org>
On Tue, Sep 27, 2022 at 02:33:19PM -0700, Randy Dunlap wrote:
>
>
> On 9/27/22 14:28, Paul E. McKenney wrote:
> > On Tue, Sep 27, 2022 at 02:13:29PM -0700, Randy Dunlap wrote:
> >>
> >>
> >> On 9/27/22 13:10, broonie@kernel.org wrote:
> >>> Hi all,
> >>>
> >>> Changes since 20220923:
> >>>
> >>
> >> In file included from ../include/linux/notifier.h:16,
> >> from ../include/linux/memory_hotplug.h:7,
> >> from ../include/linux/mmzone.h:1244,
> >> from ../include/linux/gfp.h:7,
> >> from ../include/linux/slab.h:15,
> >> from ../include/linux/crypto.h:20,
> >> from ../arch/x86/um/shared/sysdep/kernel-offsets.h:5,
> >> from ../arch/um/kernel/asm-offsets.c:1:
> >> ../include/linux/srcu.h: In function ‘srcu_read_lock_nmisafe’:
> >> ../include/linux/srcu.h:181:26: error: implicit declaration of function ‘__srcu_read_lock_nmisafe’; did you mean ‘srcu_read_lock_nmisafe’? [-Werror=implicit-function-declaration]
> >> 181 | retval = __srcu_read_lock_nmisafe(ssp, true);
> >> | ^~~~~~~~~~~~~~~~~~~~~~~~
> >> | srcu_read_lock_nmisafe
> >> ../include/linux/srcu.h: In function ‘srcu_read_unlock_nmisafe’:
> >> ../include/linux/srcu.h:226:17: error: implicit declaration of function ‘__srcu_read_unlock_nmisafe’; did you mean ‘srcu_read_unlock_nmisafe’? [-Werror=implicit-function-declaration]
> >> 226 | __srcu_read_unlock_nmisafe(ssp, idx, true);
> >> | ^~~~~~~~~~~~~~~~~~~~~~~~~~
> >> | srcu_read_unlock_nmisafe
> >
> > Could you please send your .config or tell me how you generated it?
>
>
> For x86_64 SUBARCH, ARCH=um:
>
> mkdir UML64
> make ARCH=um SUBARCH=x86_64 O=UML64 tinyconfig
> make ARCH=um SUBARCH=x86_64 O=UML64 all
Thank you! The diff shown below clears it up for me. Does it cover it
for you as well?
Thanx, Paul
------------------------------------------------------------------------
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 274d7200ce4e..565f60d57484 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -52,6 +52,8 @@ int init_srcu_struct(struct srcu_struct *ssp);
#else
/* Dummy definition for things like notifiers. Actual use gets link error. */
struct srcu_struct { };
+int __srcu_read_lock_nmisafe(struct srcu_struct *ssp, bool chknmisafe) __acquires(ssp);
+void __srcu_read_unlock_nmisafe(struct srcu_struct *ssp, int idx, bool chknmisafe) __releases(ssp);
#endif
void call_srcu(struct srcu_struct *ssp, struct rcu_head *head,
next prev parent reply other threads:[~2022-09-27 22:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-27 20:10 linux-next: Tree for Sep 27 broonie
2022-09-27 21:13 ` linux-next: Tree for Sep 27 (uml 64-bit or 32-bit: tinyconfig) Randy Dunlap
2022-09-27 21:28 ` Paul E. McKenney
2022-09-27 21:33 ` Randy Dunlap
2022-09-27 22:42 ` Paul E. McKenney [this message]
2022-09-28 3:27 ` Randy Dunlap
2022-09-28 6:25 ` Paul E. McKenney
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