Lines Matching refs:MSR
67 A new thread-scoped MSR (IA32_PASID) provides the connection between
69 accesses an SVA-capable device, this MSR is initialized with a newly
86 This MSR is managed with the XSAVE feature set as "supervisor state" to
87 ensure the MSR is updated during context switch.
93 ENQCMD and program it into the new MSR to communicate the process identity to
94 platform hardware. ENQCMD uses the PASID stored in this MSR to tag requests
103 The MSR must be configured on each logical CPU before any application
105 process share the same page tables, thus the same MSR value.
107 PASID is cleared when a process is created. The PASID allocation and MSR
110 process. If a thread uses ENQCMD without the MSR first being populated, a #GP
111 will be raised. The kernel will update the PASID MSR with the PASID for all
116 The kernel will clear the PASID MSR for all threads belonging to the process.
118 New threads inherit the MSR value from the parent.