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aa5222e92f
It doesn't cause a run-time bug, but these bitfields should be unsigned. When it's signed ->dl_throttled is set to either 0 or -1, instead of 0 and 1 as expected. The sched.h file is included into tons of places so Sparse generates a flood of warnings like this: ./include/linux/sched.h:477:54: error: dubious one-bit signed bitfield Reported-by: Matthew Wilcox <willy@infradead.org> Reported-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Luca Abeni <luca.abeni@santannapisa.it> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kernel-janitors@vger.kernel.org Cc: luca abeni <luca.abeni@santannapisa.it> Link: http://lkml.kernel.org/r/20171013070121.dzcncojuj2f4utij@mwanda Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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