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.
119 IA32_PASID MSR lazily when a thread tries to submit a work descriptor
122 That first access will trigger a #GP fault because the IA32_PASID MSR
125 been allocated for the process, and so initializes the IA32_PASID MSR
135 and the cleared IA32_PASID MSR reduces context switch overhead by xstate