Lines Matching full:thread

4 Cross-Thread Return Address Predictions
7 Certain AMD and Hygon processors are subject to a cross-thread return address
8 predictions vulnerability. When running in SMT mode and one sibling thread
9 transitions out of C0 state, the other sibling thread could use return target
10 predictions from the sibling thread that transitioned out of C0.
14 thread. However, KVM does allow a VMM to prevent exiting guest mode when
16 being consumed by the sibling thread.
32    CVE-2022-27672  Cross-Thread Return Address Predictions
43 When the thread re-enters the C0 state, the processor transitions back
44 to 2T mode, assuming the other thread is also still in C0 state.
47 depending on the SMT mode. For instance, in 2T mode each thread uses a private
48 16-entry RAP, but in 1T mode, the active thread uses a 32-entry RAP. Upon
51 change. This behavior may result in return targets from one SMT thread being
52 used by RET predictions in the sibling thread following a 1T/2T switch. In
54 use a return target from the thread that just became idle. In theory, this
68 Before entering idle state, the kernel context switches to the idle thread. The