4.18-stable review patch. If anyone has any objections, please let me know.
--
From: Peter Zijlstra
commit b59167ac7bafd804c91e49ad53c6d33a7394d4c8 upstream.
Eric reported that a sequence count loop using this_cpu_read() got
optimized out. This is wrong, this_cpu_read() must
4.18-stable review patch. If anyone has any objections, please let me know.
--
From: Peter Zijlstra
commit b59167ac7bafd804c91e49ad53c6d33a7394d4c8 upstream.
Eric reported that a sequence count loop using this_cpu_read() got
optimized out. This is wrong, this_cpu_read() must
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