2018-01-09 23:47 GMT+01:00 Tom Lendacky <thomas.lenda...@amd.com>: > On 1/9/2018 4:28 PM, Gabriel C wrote: >> Hello , >> >> I'm testing an EPYC system right now with 2 EPYC 7281 16-Core Processors. >> >> I'm on 4.15.0-rc7 and tested an update to microcode_amd_fam17h.bin. >> >> First run was made by using the early microcode option with dracut[1] >> so loading from a initrd. the driver reported 63 updated CPUs while CPU0 >> got still old microcode. > > I'm guessing that memory encryption is enabled, correct? I've submitted a > patch series to perform early initrd decryption for just this problem. I'm > incorporating some minor feedback and getting ready to submit the next > version.
Yes is correct I use mem_encrypt=on and SMT on in BIOS. Can you give me an link to the patch series ? > > In the meantime, if you specify mem_encrypt=off on the kernel command line > it should show CPU0 updated properly (with mem_encrypt=on and SMT enabled, > I believe it really does get updated when the sibling hread is updated - > do a rdmsr of 0x0000008b to verify). > I give that an test in a bit , the box is running now some test for a different EPYC issue :) ( https://community.amd.com/thread/224000 ) Regards, Gabriel C
