On Tue, 16 Mar 2021 20:26:48 -0700, Bart Van Assche wrote:
> All sbitmap code uses implied preemption protection to update
> sb->alloc_hint except sbitmap_put(). Using implied preemption protection
> is safe since the value of sb->alloc_hint only affects performance of
> sbitmap allocations but not their correctness. Change this_cpu_ptr() in
> sbitmap_put() into raw_cpu_ptr() to suppress the following kernel warning
> that appears with preemption debugging enabled (CONFIG_DEBUG_PREEMPT):
>
> [...]
Applied to 5.13/scsi-queue, thanks!
[1/1] sbitmap: Silence a debug kernel warning triggered by sbitmap_put()
https://git.kernel.org/mkp/scsi/c/035e9f471691
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Martin K. Petersen Oracle Linux Engineering
