The following set of patches address some limitations on microcode loading.
First patch avoids a redundant microcode load on sibling thread if
another HT sibling got updated.
Ashok Raj (3):
x86/microcode/intel: Check microcode revision before updating sibling
threads
x86/microcode/intel: Perform a cache flush before ucode update.
x86/microcode: Quiesce all threads before a microcode update.
arch/x86/kernel/cpu/microcode/core.c | 113 +++++++++++++++++++++++++++++-----
arch/x86/kernel/cpu/microcode/intel.c | 19 +++++-
2 files changed, 113 insertions(+), 19 deletions(-)
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2.7.4
