Tvrtko Ursulin <tvrtko.ursu...@linux.intel.com> writes:
> From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
>
> Since this drivers creates attributes on the heap, lockdep
> gets upset and disabled itself.
>
> Fix by setting ignore_lockdep flags for problematic attributes.
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
> Cc: Ingo Molnar <mi...@kernel.org>
> Cc: Peter Zijlstra (Intel) <pet...@infradead.org>
> Cc: x...@kernel.org
> Cc: Michał Winiarski <michal.winiar...@intel.com>
> ---
> Not saying this is a right fix but lets say I am trying to force the issue. :)
You're right, that's not the real problem, but thanks for reporting. :)
> ---
> arch/x86/kernel/cpu/perf_event_intel_pt.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/arch/x86/kernel/cpu/perf_event_intel_pt.c
> b/arch/x86/kernel/cpu/perf_event_intel_pt.c
> index ffe666c..1cff27b 100644
> --- a/arch/x86/kernel/cpu/perf_event_intel_pt.c
> +++ b/arch/x86/kernel/cpu/perf_event_intel_pt.c
> @@ -153,9 +153,10 @@ static int __init pt_pmu_hw_init(void)
>
> sysfs_attr_init(&de_attrs->attr.attr);
The real problem is this ^^^, should be
sysfs_attr_init(&de_attr->attr.attr);
Regards,
--
Alex
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