From: kernel test robot <lkp@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: Re: [PATCH v4 02/15] KVM: SVM: Compile sev.c if and only if CONFIG_KVM_AMD_SEV=y
Date: Wed, 20 Mar 2024 16:26:20 +0800 [thread overview]
Message-ID: <202403201614.EaivvQmz-lkp@intel.com> (raw)
In-Reply-To: <20240318233352.2728327-3-pbonzini@redhat.com>
Hi Paolo,
kernel test robot noticed the following build errors:
[auto build test ERROR on kvm/queue]
[also build test ERROR on linus/master next-20240320]
[cannot apply to tip/x86/core mst-vhost/linux-next kvm/linux-next v6.8]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Paolo-Bonzini/KVM-SVM-Invert-handling-of-SEV-and-SEV_ES-feature-flags/20240319-074252
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link: https://lore.kernel.org/r/20240318233352.2728327-3-pbonzini%40redhat.com
patch subject: [PATCH v4 02/15] KVM: SVM: Compile sev.c if and only if CONFIG_KVM_AMD_SEV=y
config: x86_64-buildonly-randconfig-001-20240319 (https://download.01.org/0day-ci/archive/20240320/202403201614.EaivvQmz-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240320/202403201614.EaivvQmz-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403201614.EaivvQmz-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
>> arch/x86/kvm/svm/svm.c:1367:3: error: call to undeclared function 'sev_init_vmcb'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1367 | sev_init_vmcb(svm);
| ^
>> arch/x86/kvm/svm/svm.c:1391:3: error: call to undeclared function 'sev_es_vcpu_reset'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1391 | sev_es_vcpu_reset(svm);
| ^
arch/x86/kvm/svm/svm.c:1391:3: note: did you mean 'kvm_vcpu_reset'?
arch/x86/include/asm/kvm_host.h:2222:6: note: 'kvm_vcpu_reset' declared here
2222 | void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event);
| ^
>> arch/x86/kvm/svm/svm.c:1512:3: error: call to undeclared function 'sev_es_unmap_ghcb'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1512 | sev_es_unmap_ghcb(svm);
| ^
>> arch/x86/kvm/svm/svm.c:1526:3: error: call to undeclared function 'sev_es_prepare_switch_to_guest'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1526 | sev_es_prepare_switch_to_guest(hostsa);
| ^
arch/x86/kvm/svm/svm.c:1526:3: note: did you mean 'svm_prepare_switch_to_guest'?
arch/x86/kvm/svm/svm.c:1506:13: note: 'svm_prepare_switch_to_guest' declared here
1506 | static void svm_prepare_switch_to_guest(struct kvm_vcpu *vcpu)
| ^
>> arch/x86/kvm/svm/svm.c:2226:11: error: call to undeclared function 'sev_es_string_io'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2226 | return sev_es_string_io(svm, size, port, in);
| ^
arch/x86/kvm/svm/svm.c:2226:11: note: did you mean 'kvm_sev_es_string_io'?
arch/x86/kvm/x86.h:537:5: note: 'kvm_sev_es_string_io' declared here
537 | int kvm_sev_es_string_io(struct kvm_vcpu *vcpu, unsigned int size,
| ^
>> arch/x86/kvm/svm/svm.c:3549:10: error: call to undeclared function 'pre_sev_run'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
3549 | return pre_sev_run(svm, vcpu->cpu);
| ^
arch/x86/kvm/svm/svm.c:3549:10: note: did you mean 'pre_svm_run'?
arch/x86/kvm/svm/svm.c:3532:13: note: 'pre_svm_run' declared here
3532 | static void pre_svm_run(struct kvm_vcpu *vcpu)
| ^
>> arch/x86/kvm/svm/svm.c:3549:3: warning: void function 'pre_svm_run' should not return a value [-Wreturn-type]
3549 | return pre_sev_run(svm, vcpu->cpu);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/x86/kvm/svm/svm.c:4356:3: error: call to undeclared function 'sev_vcpu_after_set_cpuid'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4356 | sev_vcpu_after_set_cpuid(svm);
| ^
arch/x86/kvm/svm/svm.c:4356:3: note: did you mean 'svm_vcpu_after_set_cpuid'?
arch/x86/kvm/svm/svm.c:4309:13: note: 'svm_vcpu_after_set_cpuid' declared here
4309 | static void svm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
| ^
>> arch/x86/kvm/svm/svm.c:4883:2: error: call to undeclared function 'sev_vcpu_deliver_sipi_vector'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
4883 | sev_vcpu_deliver_sipi_vector(vcpu, vector);
| ^
arch/x86/kvm/svm/svm.c:4883:2: note: did you mean 'svm_vcpu_deliver_sipi_vector'?
arch/x86/kvm/svm/svm.c:4878:13: note: 'svm_vcpu_deliver_sipi_vector' declared here
4878 | static void svm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector)
| ^
4879 | {
4880 | if (!sev_es_guest(vcpu->kvm))
4881 | return kvm_vcpu_deliver_sipi_vector(vcpu, vector);
4882 |
4883 | sev_vcpu_deliver_sipi_vector(vcpu, vector);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| svm_vcpu_deliver_sipi_vector
1 warning and 8 errors generated.
vim +/sev_init_vmcb +1367 arch/x86/kvm/svm/svm.c
36e8194dcd749c arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-09-23 1226
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1227 static void init_vmcb(struct kvm_vcpu *vcpu)
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1228 {
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1229 struct vcpu_svm *svm = to_svm(vcpu);
1ee73a332f80dd arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-03-22 1230 struct vmcb *vmcb = svm->vmcb01.ptr;
1ee73a332f80dd arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-03-22 1231 struct vmcb_control_area *control = &vmcb->control;
1ee73a332f80dd arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-03-22 1232 struct vmcb_save_area *save = &vmcb->save;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1233
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1234 svm_set_intercept(svm, INTERCEPT_CR0_READ);
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1235 svm_set_intercept(svm, INTERCEPT_CR3_READ);
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1236 svm_set_intercept(svm, INTERCEPT_CR4_READ);
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1237 svm_set_intercept(svm, INTERCEPT_CR0_WRITE);
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1238 svm_set_intercept(svm, INTERCEPT_CR3_WRITE);
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1239 svm_set_intercept(svm, INTERCEPT_CR4_WRITE);
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1240 if (!kvm_vcpu_apicv_active(vcpu))
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1241 svm_set_intercept(svm, INTERCEPT_CR8_WRITE);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1242
5315c716b69f47 arch/x86/kvm/svm.c Paolo Bonzini 2014-03-03 1243 set_dr_intercepts(svm);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1244
18c918c5f59bc3 arch/x86/kvm/svm.c Joerg Roedel 2010-11-30 1245 set_exception_intercept(svm, PF_VECTOR);
18c918c5f59bc3 arch/x86/kvm/svm.c Joerg Roedel 2010-11-30 1246 set_exception_intercept(svm, UD_VECTOR);
18c918c5f59bc3 arch/x86/kvm/svm.c Joerg Roedel 2010-11-30 1247 set_exception_intercept(svm, MC_VECTOR);
54a20552e1eae0 arch/x86/kvm/svm.c Eric Northup 2015-11-03 1248 set_exception_intercept(svm, AC_VECTOR);
cbdb967af3d549 arch/x86/kvm/svm.c Paolo Bonzini 2015-11-10 1249 set_exception_intercept(svm, DB_VECTOR);
9718420e9fd462 arch/x86/kvm/svm.c Liran Alon 2018-03-12 1250 /*
9718420e9fd462 arch/x86/kvm/svm.c Liran Alon 2018-03-12 1251 * Guest access to VMware backdoor ports could legitimately
9718420e9fd462 arch/x86/kvm/svm.c Liran Alon 2018-03-12 1252 * trigger #GP because of TSS I/O permission bitmap.
9718420e9fd462 arch/x86/kvm/svm.c Liran Alon 2018-03-12 1253 * We intercept those #GP and allow access to them anyway
29de732cc95cb5 arch/x86/kvm/svm/svm.c Alexey Kardashevskiy 2023-06-15 1254 * as VMware does.
9718420e9fd462 arch/x86/kvm/svm.c Liran Alon 2018-03-12 1255 */
29de732cc95cb5 arch/x86/kvm/svm/svm.c Alexey Kardashevskiy 2023-06-15 1256 if (enable_vmware_backdoor)
9718420e9fd462 arch/x86/kvm/svm.c Liran Alon 2018-03-12 1257 set_exception_intercept(svm, GP_VECTOR);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1258
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1259 svm_set_intercept(svm, INTERCEPT_INTR);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1260 svm_set_intercept(svm, INTERCEPT_NMI);
4b639a9f82fcf1 arch/x86/kvm/svm/svm.c Maxim Levitsky 2021-07-07 1261
4b639a9f82fcf1 arch/x86/kvm/svm/svm.c Maxim Levitsky 2021-07-07 1262 if (intercept_smi)
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1263 svm_set_intercept(svm, INTERCEPT_SMI);
4b639a9f82fcf1 arch/x86/kvm/svm/svm.c Maxim Levitsky 2021-07-07 1264
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1265 svm_set_intercept(svm, INTERCEPT_SELECTIVE_CR0);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1266 svm_set_intercept(svm, INTERCEPT_RDPMC);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1267 svm_set_intercept(svm, INTERCEPT_CPUID);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1268 svm_set_intercept(svm, INTERCEPT_INVD);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1269 svm_set_intercept(svm, INTERCEPT_INVLPG);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1270 svm_set_intercept(svm, INTERCEPT_INVLPGA);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1271 svm_set_intercept(svm, INTERCEPT_IOIO_PROT);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1272 svm_set_intercept(svm, INTERCEPT_MSR_PROT);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1273 svm_set_intercept(svm, INTERCEPT_TASK_SWITCH);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1274 svm_set_intercept(svm, INTERCEPT_SHUTDOWN);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1275 svm_set_intercept(svm, INTERCEPT_VMRUN);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1276 svm_set_intercept(svm, INTERCEPT_VMMCALL);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1277 svm_set_intercept(svm, INTERCEPT_VMLOAD);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1278 svm_set_intercept(svm, INTERCEPT_VMSAVE);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1279 svm_set_intercept(svm, INTERCEPT_STGI);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1280 svm_set_intercept(svm, INTERCEPT_CLGI);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1281 svm_set_intercept(svm, INTERCEPT_SKINIT);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1282 svm_set_intercept(svm, INTERCEPT_WBINVD);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1283 svm_set_intercept(svm, INTERCEPT_XSETBV);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1284 svm_set_intercept(svm, INTERCEPT_RDPRU);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1285 svm_set_intercept(svm, INTERCEPT_RSM);
668fffa3f838ed arch/x86/kvm/svm.c Michael S. Tsirkin 2017-04-21 1286
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1287 if (!kvm_mwait_in_guest(vcpu->kvm)) {
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1288 svm_set_intercept(svm, INTERCEPT_MONITOR);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1289 svm_set_intercept(svm, INTERCEPT_MWAIT);
668fffa3f838ed arch/x86/kvm/svm.c Michael S. Tsirkin 2017-04-21 1290 }
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1291
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1292 if (!kvm_hlt_in_guest(vcpu->kvm))
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1293 svm_set_intercept(svm, INTERCEPT_HLT);
caa057a2cad647 arch/x86/kvm/svm.c Wanpeng Li 2018-03-12 1294
d0ec49d4de9080 arch/x86/kvm/svm.c Tom Lendacky 2017-07-17 1295 control->iopm_base_pa = __sme_set(iopm_base);
d0ec49d4de9080 arch/x86/kvm/svm.c Tom Lendacky 2017-07-17 1296 control->msrpm_base_pa = __sme_set(__pa(svm->msrpm));
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1297 control->int_ctl = V_INTR_MASKING_MASK;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1298
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1299 init_seg(&save->es);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1300 init_seg(&save->ss);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1301 init_seg(&save->ds);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1302 init_seg(&save->fs);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1303 init_seg(&save->gs);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1304
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1305 save->cs.selector = 0xf000;
04b66839d312d3 arch/x86/kvm/svm.c Paolo Bonzini 2013-03-19 1306 save->cs.base = 0xffff0000;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1307 /* Executable/Readable Code Segment */
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1308 save->cs.attrib = SVM_SELECTOR_READ_MASK | SVM_SELECTOR_P_MASK |
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1309 SVM_SELECTOR_S_MASK | SVM_SELECTOR_CODE_MASK;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1310 save->cs.limit = 0xffff;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1311
4f117ce4aefca0 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-07-13 1312 save->gdtr.base = 0;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1313 save->gdtr.limit = 0xffff;
4f117ce4aefca0 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-07-13 1314 save->idtr.base = 0;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1315 save->idtr.limit = 0xffff;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1316
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1317 init_sys_seg(&save->ldtr, SEG_TYPE_LDT);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1318 init_sys_seg(&save->tr, SEG_TYPE_BUSY_TSS16);
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1319
709ddebf81cb40 arch/x86/kvm/svm.c Joerg Roedel 2008-02-07 1320 if (npt_enabled) {
709ddebf81cb40 arch/x86/kvm/svm.c Joerg Roedel 2008-02-07 1321 /* Setup VMCB for Nested Paging */
cea3a19b007a69 arch/x86/kvm/svm.c Tom Lendacky 2017-12-04 1322 control->nested_ctl |= SVM_NESTED_CTL_NP_ENABLE;
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1323 svm_clr_intercept(svm, INTERCEPT_INVLPG);
18c918c5f59bc3 arch/x86/kvm/svm.c Joerg Roedel 2010-11-30 1324 clr_exception_intercept(svm, PF_VECTOR);
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1325 svm_clr_intercept(svm, INTERCEPT_CR3_READ);
830bd71f2c0684 arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1326 svm_clr_intercept(svm, INTERCEPT_CR3_WRITE);
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1327 save->g_pat = vcpu->arch.pat;
709ddebf81cb40 arch/x86/kvm/svm.c Joerg Roedel 2008-02-07 1328 save->cr3 = 0;
709ddebf81cb40 arch/x86/kvm/svm.c Joerg Roedel 2008-02-07 1329 }
193015adf40d04 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-12 1330 svm->current_vmcb->asid_generation = 0;
7e8e6eed75e290 arch/x86/kvm/svm/svm.c Cathy Avery 2020-10-11 1331 svm->asid = 0;
1371d90460189d arch/x86/kvm/svm.c Alexander Graf 2008-11-25 1332
c74ad08f3333db arch/x86/kvm/svm/svm.c Maxim Levitsky 2021-05-03 1333 svm->nested.vmcb12_gpa = INVALID_GPA;
c74ad08f3333db arch/x86/kvm/svm/svm.c Maxim Levitsky 2021-05-03 1334 svm->nested.last_vmcb12_gpa = INVALID_GPA;
2af9194d1b683f arch/x86/kvm/svm.c Joerg Roedel 2009-08-07 1335
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1336 if (!kvm_pause_in_guest(vcpu->kvm)) {
8566ac8b8e7cac arch/x86/kvm/svm.c Babu Moger 2018-03-16 1337 control->pause_filter_count = pause_filter_count;
8566ac8b8e7cac arch/x86/kvm/svm.c Babu Moger 2018-03-16 1338 if (pause_filter_thresh)
8566ac8b8e7cac arch/x86/kvm/svm.c Babu Moger 2018-03-16 1339 control->pause_filter_thresh = pause_filter_thresh;
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1340 svm_set_intercept(svm, INTERCEPT_PAUSE);
8566ac8b8e7cac arch/x86/kvm/svm.c Babu Moger 2018-03-16 1341 } else {
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1342 svm_clr_intercept(svm, INTERCEPT_PAUSE);
565d0998ecac83 arch/x86/kvm/svm.c Mark Langsdorf 2009-10-06 1343 }
565d0998ecac83 arch/x86/kvm/svm.c Mark Langsdorf 2009-10-06 1344
3b195ac9260235 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-05-04 1345 svm_recalc_instruction_intercepts(vcpu, svm);
4407a797e9412a arch/x86/kvm/svm/svm.c Babu Moger 2020-09-11 1346
89c8a4984fc98e arch/x86/kvm/svm.c Janakarajan Natarajan 2017-07-06 1347 /*
d00b99c514b33a arch/x86/kvm/svm/svm.c Babu Moger 2021-02-17 1348 * If the host supports V_SPEC_CTRL then disable the interception
d00b99c514b33a arch/x86/kvm/svm/svm.c Babu Moger 2021-02-17 1349 * of MSR_IA32_SPEC_CTRL.
89c8a4984fc98e arch/x86/kvm/svm.c Janakarajan Natarajan 2017-07-06 1350 */
d00b99c514b33a arch/x86/kvm/svm/svm.c Babu Moger 2021-02-17 1351 if (boot_cpu_has(X86_FEATURE_V_SPEC_CTRL))
d00b99c514b33a arch/x86/kvm/svm/svm.c Babu Moger 2021-02-17 1352 set_msr_interception(vcpu, svm->msrpm, MSR_IA32_SPEC_CTRL, 1, 1);
d00b99c514b33a arch/x86/kvm/svm/svm.c Babu Moger 2021-02-17 1353
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1354 if (kvm_vcpu_apicv_active(vcpu))
1ee73a332f80dd arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-03-22 1355 avic_init_vmcb(svm, vmcb);
89c8a4984fc98e arch/x86/kvm/svm.c Janakarajan Natarajan 2017-07-06 1356
fa4c027a7956f5 arch/x86/kvm/svm/svm.c Santosh Shukla 2023-02-27 1357 if (vnmi)
fa4c027a7956f5 arch/x86/kvm/svm/svm.c Santosh Shukla 2023-02-27 1358 svm->vmcb->control.int_ctl |= V_NMI_ENABLE_MASK;
fa4c027a7956f5 arch/x86/kvm/svm/svm.c Santosh Shukla 2023-02-27 1359
640bd6e5752274 arch/x86/kvm/svm.c Janakarajan Natarajan 2017-08-23 1360 if (vgif) {
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1361 svm_clr_intercept(svm, INTERCEPT_STGI);
a284ba56a0a4b5 arch/x86/kvm/svm/svm.c Joerg Roedel 2020-06-25 1362 svm_clr_intercept(svm, INTERCEPT_CLGI);
640bd6e5752274 arch/x86/kvm/svm.c Janakarajan Natarajan 2017-08-23 1363 svm->vmcb->control.int_ctl |= V_GIF_ENABLE_MASK;
640bd6e5752274 arch/x86/kvm/svm.c Janakarajan Natarajan 2017-08-23 1364 }
640bd6e5752274 arch/x86/kvm/svm.c Janakarajan Natarajan 2017-08-23 1365
6defa24d3b12bb arch/x86/kvm/svm/svm.c Peter Gonda 2022-06-23 1366 if (sev_guest(vcpu->kvm))
6defa24d3b12bb arch/x86/kvm/svm/svm.c Peter Gonda 2022-06-23 @1367 sev_init_vmcb(svm);
1654efcbc431a3 arch/x86/kvm/svm.c Brijesh Singh 2017-12-04 1368
1ee73a332f80dd arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-03-22 1369 svm_hv_init_vmcb(vmcb);
36e8194dcd749c arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-09-23 1370 init_vmcb_after_set_cpuid(vcpu);
1e0c7d40758bcd arch/x86/kvm/svm/svm.c Vineeth Pillai 2021-06-03 1371
1ee73a332f80dd arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-03-22 1372 vmcb_mark_all_dirty(vmcb);
8d28fec406e4d5 arch/x86/kvm/svm.c Roedel, Joerg 2010-12-03 1373
2af9194d1b683f arch/x86/kvm/svm.c Joerg Roedel 2009-08-07 1374 enable_gif(svm);
44a95dae1d229a arch/x86/kvm/svm.c Suravee Suthikulpanit 2016-05-04 1375 }
44a95dae1d229a arch/x86/kvm/svm.c Suravee Suthikulpanit 2016-05-04 1376
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1377 static void __svm_vcpu_reset(struct kvm_vcpu *vcpu)
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1378 {
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1379 struct vcpu_svm *svm = to_svm(vcpu);
44a95dae1d229a arch/x86/kvm/svm.c Suravee Suthikulpanit 2016-05-04 1380
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1381 svm_vcpu_init_msrpm(vcpu, svm->msrpm);
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1382
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1383 svm_init_osvw(vcpu);
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1384 vcpu->arch.microcode_version = 0x01000065;
938c8745bcf2f7 arch/x86/kvm/svm/svm.c Sean Christopherson 2022-05-24 1385 svm->tsc_ratio_msr = kvm_caps.default_tsc_scaling_ratio;
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1386
916b54a7688b0b arch/x86/kvm/svm/svm.c Maxim Levitsky 2023-01-30 1387 svm->nmi_masked = false;
916b54a7688b0b arch/x86/kvm/svm/svm.c Maxim Levitsky 2023-01-30 1388 svm->awaiting_iret_completion = false;
916b54a7688b0b arch/x86/kvm/svm/svm.c Maxim Levitsky 2023-01-30 1389
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1390 if (sev_es_guest(vcpu->kvm))
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 @1391 sev_es_vcpu_reset(svm);
44a95dae1d229a arch/x86/kvm/svm.c Suravee Suthikulpanit 2016-05-04 1392 }
44a95dae1d229a arch/x86/kvm/svm.c Suravee Suthikulpanit 2016-05-04 1393
d28bc9dd25ce02 arch/x86/kvm/svm.c Nadav Amit 2015-04-13 1394 static void svm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
04d2cc7780d48a drivers/kvm/svm.c Avi Kivity 2007-09-10 1395 {
04d2cc7780d48a drivers/kvm/svm.c Avi Kivity 2007-09-10 1396 struct vcpu_svm *svm = to_svm(vcpu);
04d2cc7780d48a drivers/kvm/svm.c Avi Kivity 2007-09-10 1397
b2ac58f90540e3 arch/x86/kvm/svm.c KarimAllah Ahmed 2018-02-03 1398 svm->spec_ctrl = 0;
ccbcd2674472a9 arch/x86/kvm/svm.c Thomas Gleixner 2018-05-09 1399 svm->virt_spec_ctrl = 0;
b2ac58f90540e3 arch/x86/kvm/svm.c KarimAllah Ahmed 2018-02-03 1400
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1401 init_vmcb(vcpu);
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1402
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1403 if (!init_event)
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1404 __svm_vcpu_reset(vcpu);
04d2cc7780d48a drivers/kvm/svm.c Avi Kivity 2007-09-10 1405 }
04d2cc7780d48a drivers/kvm/svm.c Avi Kivity 2007-09-10 1406
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1407 void svm_switch_vmcb(struct vcpu_svm *svm, struct kvm_vmcb_info *target_vmcb)
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1408 {
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1409 svm->current_vmcb = target_vmcb;
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1410 svm->vmcb = target_vmcb->ptr;
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1411 }
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1412
23e5092b6e2ad1 arch/x86/kvm/svm/svm.c Sean Christopherson 2022-01-28 1413 static int svm_vcpu_create(struct kvm_vcpu *vcpu)
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1414 {
a2fa3e9f52d875 drivers/kvm/svm.c Gregory Haskins 2007-07-27 1415 struct vcpu_svm *svm;
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1416 struct page *vmcb01_page;
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1417 struct page *vmsa_page = NULL;
fb3f0f51d92d14 drivers/kvm/svm.c Rusty Russell 2007-07-27 1418 int err;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1419
a9dd6f09d7e54d arch/x86/kvm/svm.c Sean Christopherson 2019-12-18 1420 BUILD_BUG_ON(offsetof(struct vcpu_svm, vcpu) != 0);
a9dd6f09d7e54d arch/x86/kvm/svm.c Sean Christopherson 2019-12-18 1421 svm = to_svm(vcpu);
fb3f0f51d92d14 drivers/kvm/svm.c Rusty Russell 2007-07-27 1422
fb3f0f51d92d14 drivers/kvm/svm.c Rusty Russell 2007-07-27 1423 err = -ENOMEM;
75253db41a467a arch/x86/kvm/svm/svm.c Brijesh Singh 2024-01-25 1424 vmcb01_page = snp_safe_alloc_page(vcpu);
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1425 if (!vmcb01_page)
987b2594ed5d12 arch/x86/kvm/svm.c Sean Christopherson 2019-12-18 1426 goto out;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1427
63129754178c55 arch/x86/kvm/svm/svm.c Paolo Bonzini 2021-03-02 1428 if (sev_es_guest(vcpu->kvm)) {
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1429 /*
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1430 * SEV-ES guests require a separate VMSA page used to contain
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1431 * the encrypted register state of the guest.
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1432 */
75253db41a467a arch/x86/kvm/svm/svm.c Brijesh Singh 2024-01-25 1433 vmsa_page = snp_safe_alloc_page(vcpu);
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1434 if (!vmsa_page)
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1435 goto error_free_vmcb_page;
ed02b213098a90 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1436
ed02b213098a90 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1437 /*
ed02b213098a90 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1438 * SEV-ES guests maintain an encrypted version of their FPU
ed02b213098a90 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1439 * state which is restored and saved on VMRUN and VMEXIT.
d69c1382e1b73a arch/x86/kvm/svm/svm.c Thomas Gleixner 2021-10-22 1440 * Mark vcpu->arch.guest_fpu->fpstate as scratch so it won't
d69c1382e1b73a arch/x86/kvm/svm/svm.c Thomas Gleixner 2021-10-22 1441 * do xsave/xrstor on it.
ed02b213098a90 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1442 */
d69c1382e1b73a arch/x86/kvm/svm/svm.c Thomas Gleixner 2021-10-22 1443 fpstate_set_confidential(&vcpu->arch.guest_fpu);
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1444 }
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1445
dfa20099e26e35 arch/x86/kvm/svm.c Suravee Suthikulpanit 2017-09-12 1446 err = avic_init_vcpu(svm);
44a95dae1d229a arch/x86/kvm/svm.c Suravee Suthikulpanit 2016-05-04 1447 if (err)
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1448 goto error_free_vmsa_page;
411b44ba80ab00 arch/x86/kvm/svm.c Suravee Suthikulpanit 2016-08-23 1449
476c9bd8e997b4 arch/x86/kvm/svm/svm.c Aaron Lewis 2020-09-25 1450 svm->msrpm = svm_vcpu_alloc_msrpm();
054409ab253d9f arch/x86/kvm/svm/svm.c Chen Zhou 2020-11-17 1451 if (!svm->msrpm) {
054409ab253d9f arch/x86/kvm/svm/svm.c Chen Zhou 2020-11-17 1452 err = -ENOMEM;
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1453 goto error_free_vmsa_page;
054409ab253d9f arch/x86/kvm/svm/svm.c Chen Zhou 2020-11-17 1454 }
b286d5d8b0836e arch/x86/kvm/svm.c Alexander Graf 2008-11-25 1455
091abbf578f926 arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-05-19 1456 svm->x2avic_msrs_intercepted = true;
091abbf578f926 arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-05-19 1457
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1458 svm->vmcb01.ptr = page_address(vmcb01_page);
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1459 svm->vmcb01.pa = __sme_set(page_to_pfn(vmcb01_page) << PAGE_SHIFT);
9ebe530b9f5da8 arch/x86/kvm/svm/svm.c Sean Christopherson 2021-09-20 1460 svm_switch_vmcb(svm, &svm->vmcb01);
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1461
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1462 if (vmsa_page)
b67a4cc35c9f72 arch/x86/kvm/svm/svm.c Peter Gonda 2021-10-21 1463 svm->sev_es.vmsa = page_address(vmsa_page);
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1464
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1465 svm->guest_state_loaded = false;
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1466
a9dd6f09d7e54d arch/x86/kvm/svm.c Sean Christopherson 2019-12-18 1467 return 0;
36241b8c7cbcc8 drivers/kvm/svm.c Avi Kivity 2006-12-22 1468
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1469 error_free_vmsa_page:
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1470 if (vmsa_page)
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1471 __free_page(vmsa_page);
8d22b90e942c26 arch/x86/kvm/svm/svm.c Maxim Levitsky 2020-08-27 1472 error_free_vmcb_page:
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1473 __free_page(vmcb01_page);
987b2594ed5d12 arch/x86/kvm/svm.c Sean Christopherson 2019-12-18 1474 out:
a9dd6f09d7e54d arch/x86/kvm/svm.c Sean Christopherson 2019-12-18 1475 return err;
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1476 }
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1477
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1478 static void svm_clear_current_vmcb(struct vmcb *vmcb)
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1479 {
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1480 int i;
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1481
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1482 for_each_online_cpu(i)
73412dfeea724e arch/x86/kvm/svm/svm.c Paolo Bonzini 2022-11-09 1483 cmpxchg(per_cpu_ptr(&svm_data.current_vmcb, i), vmcb, NULL);
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1484 }
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1485
23e5092b6e2ad1 arch/x86/kvm/svm/svm.c Sean Christopherson 2022-01-28 1486 static void svm_vcpu_free(struct kvm_vcpu *vcpu)
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1487 {
a2fa3e9f52d875 drivers/kvm/svm.c Gregory Haskins 2007-07-27 1488 struct vcpu_svm *svm = to_svm(vcpu);
a2fa3e9f52d875 drivers/kvm/svm.c Gregory Haskins 2007-07-27 1489
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1490 /*
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1491 * The vmcb page can be recycled, causing a false negative in
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1492 * svm_vcpu_load(). So, ensure that no logical CPU has this
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1493 * vmcb page recorded as its current vmcb.
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1494 */
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1495 svm_clear_current_vmcb(svm->vmcb);
fd65d3142f734b arch/x86/kvm/svm.c Jim Mattson 2018-05-22 1496
917401f26a6af5 arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-11-03 1497 svm_leave_nested(vcpu);
2fcf4876ada8a2 arch/x86/kvm/svm/svm.c Maxim Levitsky 2020-10-01 1498 svm_free_nested(svm);
2fcf4876ada8a2 arch/x86/kvm/svm/svm.c Maxim Levitsky 2020-10-01 1499
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1500 sev_free_vcpu(vcpu);
add5e2f0454145 arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1501
4995a3685f1b76 arch/x86/kvm/svm/svm.c Cathy Avery 2021-01-13 1502 __free_page(pfn_to_page(__sme_clr(svm->vmcb01.pa) >> PAGE_SHIFT));
47903dc10e7ebb arch/x86/kvm/svm/svm.c Krish Sadhukhan 2021-04-12 1503 __free_pages(virt_to_page(svm->msrpm), get_order(MSRPM_SIZE));
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1504 }
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1505
23e5092b6e2ad1 arch/x86/kvm/svm/svm.c Sean Christopherson 2022-01-28 1506 static void svm_prepare_switch_to_guest(struct kvm_vcpu *vcpu)
6aa8b732ca01c3 drivers/kvm/svm.c Avi Kivity 2006-12-10 1507 {
a2fa3e9f52d875 drivers/kvm/svm.c Gregory Haskins 2007-07-27 1508 struct vcpu_svm *svm = to_svm(vcpu);
73412dfeea724e arch/x86/kvm/svm/svm.c Paolo Bonzini 2022-11-09 1509 struct svm_cpu_data *sd = per_cpu_ptr(&svm_data, vcpu->cpu);
0cc5064d335543 drivers/kvm/svm.c Avi Kivity 2007-03-25 1510
ce7ea0cfdc2e9f arch/x86/kvm/svm/svm.c Tom Lendacky 2021-05-06 1511 if (sev_es_guest(vcpu->kvm))
ce7ea0cfdc2e9f arch/x86/kvm/svm/svm.c Tom Lendacky 2021-05-06 @1512 sev_es_unmap_ghcb(svm);
ce7ea0cfdc2e9f arch/x86/kvm/svm/svm.c Tom Lendacky 2021-05-06 1513
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1514 if (svm->guest_state_loaded)
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1515 return;
94dfbdb3894eda drivers/kvm/svm.c Anthony Liguori 2007-04-29 1516
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1517 /*
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1518 * Save additional host state that will be restored on VMEXIT (sev-es)
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1519 * or subsequent vmload of host save area.
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1520 */
e287bd005ad9d8 arch/x86/kvm/svm/svm.c Paolo Bonzini 2022-11-07 1521 vmsave(sd->save_area_pa);
068f7ea61895ff arch/x86/kvm/svm/svm.c Paolo Bonzini 2022-01-25 1522 if (sev_es_guest(vcpu->kvm)) {
3dd2775b74c9b1 arch/x86/kvm/svm/svm.c Tom Lendacky 2022-04-05 1523 struct sev_es_save_area *hostsa;
3dd2775b74c9b1 arch/x86/kvm/svm/svm.c Tom Lendacky 2022-04-05 1524 hostsa = (struct sev_es_save_area *)(page_address(sd->save_area) + 0x400);
068f7ea61895ff arch/x86/kvm/svm/svm.c Paolo Bonzini 2022-01-25 1525
23e5092b6e2ad1 arch/x86/kvm/svm/svm.c Sean Christopherson 2022-01-28 @1526 sev_es_prepare_switch_to_guest(hostsa);
861377730aa9db arch/x86/kvm/svm/svm.c Tom Lendacky 2020-12-10 1527 }
fbc0db76b77125 arch/x86/kvm/svm.c Joerg Roedel 2011-03-25 1528
11d39e8cc43e1c arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-06-06 1529 if (tsc_scaling)
11d39e8cc43e1c arch/x86/kvm/svm/svm.c Maxim Levitsky 2022-06-06 1530 __svm_write_tsc_multiplier(vcpu->arch.tsc_scaling_ratio);
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1531
916e3e5f26abc1 arch/x86/kvm/svm/svm.c Tom Lendacky 2023-09-15 1532 /*
916e3e5f26abc1 arch/x86/kvm/svm/svm.c Tom Lendacky 2023-09-15 1533 * TSC_AUX is always virtualized for SEV-ES guests when the feature is
916e3e5f26abc1 arch/x86/kvm/svm/svm.c Tom Lendacky 2023-09-15 1534 * available. The user return MSR support is not required in this case
916e3e5f26abc1 arch/x86/kvm/svm/svm.c Tom Lendacky 2023-09-15 1535 * because TSC_AUX is restored on #VMEXIT from the host save area
916e3e5f26abc1 arch/x86/kvm/svm/svm.c Tom Lendacky 2023-09-15 1536 * (which has been initialized in svm_hardware_enable()).
916e3e5f26abc1 arch/x86/kvm/svm/svm.c Tom Lendacky 2023-09-15 1537 */
916e3e5f26abc1 arch/x86/kvm/svm/svm.c Tom Lendacky 2023-09-15 1538 if (likely(tsc_aux_uret_slot >= 0) &&
916e3e5f26abc1 arch/x86/kvm/svm/svm.c Tom Lendacky 2023-09-15 1539 (!boot_cpu_has(X86_FEATURE_V_TSC_AUX) || !sev_es_guest(vcpu->kvm)))
0caa0a77c2f6fc arch/x86/kvm/svm/svm.c Sean Christopherson 2021-05-04 1540 kvm_set_user_return_msr(tsc_aux_uret_slot, svm->tsc_aux, -1ull);
8221c13700561b arch/x86/kvm/svm.c Suravee Suthikulpanit 2016-05-04 1541
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1542 svm->guest_state_loaded = true;
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1543 }
a7fc06dd2f14f8 arch/x86/kvm/svm/svm.c Michael Roth 2021-02-02 1544
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2024-03-20 8:27 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-18 23:33 [PATCH v4 00/15] KVM: SEV: allow customizing VMSA features Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 01/15] KVM: SVM: Invert handling of SEV and SEV_ES feature flags Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 02/15] KVM: SVM: Compile sev.c if and only if CONFIG_KVM_AMD_SEV=y Paolo Bonzini
2024-03-19 22:55 ` kernel test robot
2024-03-20 8:26 ` kernel test robot [this message]
2024-03-18 23:33 ` [PATCH v4 03/15] KVM: x86: use u64_to_user_addr() Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 04/15] KVM: introduce new vendor op for KVM_GET_DEVICE_ATTR Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 05/15] KVM: SEV: publish supported VMSA features Paolo Bonzini
2024-03-25 23:59 ` Isaku Yamahata
2024-04-04 11:46 ` Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 06/15] KVM: SEV: store VMSA features in kvm_sev_info Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 07/15] KVM: x86: add fields to struct kvm_arch for CoCo features Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 08/15] KVM: x86: Add supported_vm_types to kvm_caps Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 09/15] KVM: SEV: sync FPU and AVX state at LAUNCH_UPDATE_VMSA time Paolo Bonzini
2024-03-19 13:42 ` Michael Roth
2024-03-19 19:47 ` Paolo Bonzini
2024-03-19 20:07 ` Dave Hansen
2024-03-24 23:39 ` Michael Roth
2024-04-04 11:53 ` Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 10/15] KVM: SEV: introduce to_kvm_sev_info Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 11/15] KVM: SEV: define VM types for SEV and SEV-ES Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 12/15] KVM: SEV: introduce KVM_SEV_INIT2 operation Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 13/15] KVM: SEV: allow SEV-ES DebugSwap again Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 14/15] selftests: kvm: add tests for KVM_SEV_INIT2 Paolo Bonzini
2024-03-18 23:33 ` [PATCH v4 15/15] selftests: kvm: switch to using KVM_X86_*_VM Paolo Bonzini
2024-03-19 2:20 ` [PATCH v4 00/15] KVM: SEV: allow customizing VMSA features Michael Roth
2024-03-19 19:43 ` [PATCH v4 16/15] fixup! KVM: SEV: sync FPU and AVX state at LAUNCH_UPDATE_VMSA time Paolo Bonzini
2024-03-19 19:43 ` [PATCH v4 17/15] selftests: kvm: split "launch" phase of SEV VM creation Paolo Bonzini
2024-03-19 19:43 ` [PATCH v4 18/15] selftests: kvm: add test for transferring FPU state into the VMSA Paolo Bonzini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202403201614.EaivvQmz-lkp@intel.com \
--to=lkp@intel.com \
--cc=llvm@lists.linux.dev \
--cc=oe-kbuild-all@lists.linux.dev \
--cc=pbonzini@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.