Hi Boris Minor nit: Small commit log fixup below.
On Sat, Aug 24, 2019 at 10:53:00AM +0200, Borislav Petkov wrote: > From: Ashok Raj <ashok....@intel.com> > Date: Thu, 22 Aug 2019 23:43:47 +0300 > > Microcode update was changed to be serialized due to restrictions after > Spectre days. Updating serially on a large multi-socket system can be > painful since it is being done on one CPU at a time. > > Cloud customers have expressed discontent as services disappear for a > prolonged time. The restriction is that only one core goes through the s/one core/one thread of a core/ > update while other cores are quiesced. s/cores/other thread(s) of the core > > Do the microcode update only on the first thread of each core while > other siblings simply wait for this to complete. > > [ bp: Simplify, massage, cleanup comments. ] > Cheers, Ashok