diff options
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/i86pc/io/vmm/intel/vmx.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/usr/src/uts/i86pc/io/vmm/intel/vmx.c b/usr/src/uts/i86pc/io/vmm/intel/vmx.c index 0f71687d11..c5b83a5f0b 100644 --- a/usr/src/uts/i86pc/io/vmm/intel/vmx.c +++ b/usr/src/uts/i86pc/io/vmm/intel/vmx.c @@ -1947,10 +1947,11 @@ vmexit_inout(struct vm_exit *vmexit, struct vie *vie, uint64_t qual, inst_info = vmcs_read(VMCS_EXIT_INSTRUCTION_INFO); /* - * Bits 7-9 encode the address size of ins/outs operations where - * the 0/1/2 values correspond to 16/32/64 bit sizes. + * According to the SDM, bits 9:7 encode the address size of the + * ins/outs operation, but only values 0/1/2 are expected, + * corresponding to 16/32/64 bit sizes. */ - inout->addrsize = 2 << (1 + ((inst_info >> 7) & 0x3)); + inout->addrsize = 2 << BITX(inst_info, 9, 7); VERIFY(inout->addrsize == 2 || inout->addrsize == 4 || inout->addrsize == 8); |