[Intel-gfx] linux-next: build failure after merge of the drm-intel tree
Stephen Rothwell
sfr at canb.auug.org.au
Mon Dec 9 22:42:24 UTC 2019
Hi all,
[Just adding Dave Airlie to the cc list]
On Tue, 10 Dec 2019 09:39:57 +1100 Stephen Rothwell <sfr at canb.auug.org.au> wrote:
>
> After merging the drm-intel tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> In file included from include/linux/spinlock_types.h:18,
> from include/linux/mutex.h:16,
> from include/linux/kernfs.h:12,
> from include/linux/sysfs.h:16,
> from include/linux/kobject.h:20,
> from include/linux/of.h:17,
> from include/linux/irqdomain.h:35,
> from include/linux/acpi.h:13,
> from drivers/gpu/drm/i915/i915_drv.c:30:
> drivers/gpu/drm/i915/gem/i915_gem_object.h: In function 'i915_gem_object_pin_pages':
> include/linux/lockdep.h:635:2: error: too many arguments to function 'lock_release'
> 635 | lock_release(&(lock)->dep_map, 0, _THIS_IP_); \
> | ^~~~~~~~~~~~
> drivers/gpu/drm/i915/gem/i915_gem_object.h:294:2: note: in expansion of macro 'might_lock_nested'
> 294 | might_lock_nested(&obj->mm.lock, I915_MM_GET_PAGES);
> | ^~~~~~~~~~~~~~~~~
> include/linux/lockdep.h:352:13: note: declared here
> 352 | extern void lock_release(struct lockdep_map *lock, unsigned long ip);
> | ^~~~~~~~~~~~
> In file included from include/linux/spinlock_types.h:18,
> from include/linux/spinlock.h:83,
> from include/linux/mmzone.h:8,
> from include/linux/gfp.h:6,
> from include/linux/slab.h:15,
> from drivers/gpu/drm/i915/i915_irq.c:32:
> drivers/gpu/drm/i915/gem/i915_gem_object.h: In function 'i915_gem_object_pin_pages':
> include/linux/lockdep.h:635:2: error: too many arguments to function 'lock_release'
> 635 | lock_release(&(lock)->dep_map, 0, _THIS_IP_); \
> | ^~~~~~~~~~~~
> drivers/gpu/drm/i915/gem/i915_gem_object.h:294:2: note: in expansion of macro 'might_lock_nested'
> 294 | might_lock_nested(&obj->mm.lock, I915_MM_GET_PAGES);
> | ^~~~~~~~~~~~~~~~~
> include/linux/lockdep.h:352:13: note: declared here
> 352 | extern void lock_release(struct lockdep_map *lock, unsigned long ip);
> | ^~~~~~~~~~~~
>
> Caused by commit
>
> e692b4021a2e ("lockdep: add might_lock_nested()")
>
> interacting with commit
>
> 5facae4f3549 ("locking/lockdep: Remove unused @nested argument from lock_release()")
>
> from Linus' tree.
>
> I have applied the following merge fix patch for today:
>
> From: Stephen Rothwell <sfr at canb.auug.org.au>
> Date: Tue, 10 Dec 2019 09:37:07 +1100
> Subject: [PATCH] lockdep: fix up for lock_release API change
>
> ---
> include/linux/lockdep.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
> index 5bbfd5866081..664f52c6dd4c 100644
> --- a/include/linux/lockdep.h
> +++ b/include/linux/lockdep.h
> @@ -632,7 +632,7 @@ do { \
> typecheck(struct lockdep_map *, &(lock)->dep_map); \
> lock_acquire(&(lock)->dep_map, subclass, 0, 1, 1, NULL, \
> _THIS_IP_); \
> - lock_release(&(lock)->dep_map, 0, _THIS_IP_); \
> + lock_release(&(lock)->dep_map, _THIS_IP_); \
> } while (0)
>
> #define lockdep_assert_irqs_enabled() do { \
--
Cheers,
Stephen Rothwell
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