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authorFenghua Yu <[email protected]>2019-12-20 16:05:55 -0800
committerMiquel Raynal <[email protected]>2020-05-10 21:15:52 +0200
commit7c26e6ef96c95105d6b1dc828902067df9b0f076 (patch)
tree67e5bf237f0a07d40e5d74ecda26cf21987b1859 /tools/perf/scripts/python/exported-sql-viewer.py
parent6a8b55ed4056ea5559ebe4f6a4b247f627870d4c (diff)
mtd: rawnand: fsmc: Change to non-atomic bit operations
No need to use expensive atomic change_bit() on dat[] and err_idx[]: 1. fsmc_bch8_correct_data() is called while mutex chip->lock is held 2. err_idx[] is a local variable. To avoid big endian concern due to type cast to unsigned long, directly change the bit in the specified byte instead of using non-atomic __change_bit(). Suggested-by: Peter Zijlstra <[email protected]> Signed-off-by: Fenghua Yu <[email protected]> Reviewed-by: Tony Luck <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
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