On 2017-08-31 10:08, Andreas Rollbühler wrote: > > > On 31.08.2017 00:07, Gustavo Lima Chaves wrote: >>> + case MSR_IA32_MISC_ENABLE: >>> + /* Allow 'Fast-Strings Enable' bit (pos. 0) changes, >>> only */ >>> + val = read_msr(MSR_IA32_MISC_ENABLE) & >>> ~FAST_STRING_ENABLE; >>> + val |= get_wrmsr_value(&cpu_data->guest_regs) & >>> FAST_STRING_ENABLE; >>> Overlong line now. >> Fixed. >> >>> + /* Platform ID/Machine Info/Feature Control */ >>> + [ 0x10/8 ... 0x17/8 ] = 0x7f, /* >>> 0x17-IA32_PLATFORM_ID */ >>> + [ 0x38/8 ... 0x3f/8 ] = 0xbf, /* >>> 0x3a-IA32_FEATURE_CONTROL */ >>> + [ 0xc8/8 ... 0xcf/8 ] = 0xbf, /* >>> 0xce-MSR_PLATFORM_INFO */ >>> I would suggest to move the comments ahead of the initialization into a >>> separate line to avoid >80 characters. Maybe also use the form "0x17: >>> IA32_PLATFORM_ID" to avoid melting ID and symbol together. >> Done. >> >>> According to Andreas' finding, we seem to lack at least IA32_TSC_ADJUST. >> Fixed. Let's hope these iterations for missing ones don't take long, >> but I know it's a very probable thing :) > Next try, this time when creating an inmate cell: > > FATAL: Unhandled MSR write: 600 > RIP: 0xffffffff8104cb64 RSP: 0xffffc90003273d08 FLAGS: 46 > RAX: 0x0000000000000000 RBX: 0x0000000000000002 RCX: 0x0000000000000600 > RDX: 0x0000000000000000 RSI: 0x0000000000000000 RDI: 0x0000000000000600 > CS: 10 BASE: 0x0000000000000000 AR-BYTES: a09b EFER.LMA 1 > CR0: 0x0000000080050033 CR3: 0x0000000845b3a000 CR4: 0x00000000003426e0 > EFER: 0x0000000000000d01 > Parking CPU 2 (Cell: "RootCell")
That's IA32_DS_AREA. We should probably get away with ignoring that write as we are already disabling perf events when enabling Jailhouse (see vcpu_init). Would be good to double-check that, though. Thanks, Jan -- Siemens AG, Corporate Technology, CT RDA ITP SES-DE Corporate Competence Center Embedded Linux -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
