diff options
Diffstat (limited to 'pkg/csource/linux_common.go')
| -rw-r--r-- | pkg/csource/linux_common.go | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/pkg/csource/linux_common.go b/pkg/csource/linux_common.go index 4f16dc7fc..8b3402903 100644 --- a/pkg/csource/linux_common.go +++ b/pkg/csource/linux_common.go @@ -1045,17 +1045,18 @@ static void setup_syscall_msrs(int cpufd, uint16 sel_cs, uint16 sel_cs_cpl3) char buf[sizeof(struct kvm_msrs) + 5 * sizeof(struct kvm_msr_entry)]; memset(buf, 0, sizeof(buf)); struct kvm_msrs* msrs = (struct kvm_msrs*)buf; + struct kvm_msr_entry* entries = msrs->entries; msrs->nmsrs = 5; - msrs->entries[0].index = MSR_IA32_SYSENTER_CS; - msrs->entries[0].data = sel_cs; - msrs->entries[1].index = MSR_IA32_SYSENTER_ESP; - msrs->entries[1].data = ADDR_STACK0; - msrs->entries[2].index = MSR_IA32_SYSENTER_EIP; - msrs->entries[2].data = ADDR_VAR_SYSEXIT; - msrs->entries[3].index = MSR_IA32_STAR; - msrs->entries[3].data = ((uint64)sel_cs << 32) | ((uint64)sel_cs_cpl3 << 48); - msrs->entries[4].index = MSR_IA32_LSTAR; - msrs->entries[4].data = ADDR_VAR_SYSRET; + entries[0].index = MSR_IA32_SYSENTER_CS; + entries[0].data = sel_cs; + entries[1].index = MSR_IA32_SYSENTER_ESP; + entries[1].data = ADDR_STACK0; + entries[2].index = MSR_IA32_SYSENTER_EIP; + entries[2].data = ADDR_VAR_SYSEXIT; + entries[3].index = MSR_IA32_STAR; + entries[3].data = ((uint64)sel_cs << 32) | ((uint64)sel_cs_cpl3 << 48); + entries[4].index = MSR_IA32_LSTAR; + entries[4].data = ADDR_VAR_SYSRET; ioctl(cpufd, KVM_SET_MSRS, msrs); } |