tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 8e3c931720c17228aca23307a3580b068ef80099 commit: 4c9a908c6bde35918222640d774f08f825abfa3f [19590/21873] KVM: x86/speculation: Disable Fill buffer clear within guests config: x86_64-randconfig-161-20240303 (https://download.01.org/0day-ci/archive/20240317/202403170252.zy8ebb02-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 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/202403170252.zy8ebb02-lkp@intel.com/ smatch warnings: arch/x86/kvm/vmx.c:4410 vmx_set_msr() warn: inconsistent indenting vim +4410 arch/x86/kvm/vmx.c cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4224 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4225 /* 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4226 * Writes msr value into into the appropriate "register". 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4227 * Returns 0 on success, non-0 otherwise. 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4228 * Assumes vcpu_load() was already called. 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4229 */ 8fe8ab46be06fc arch/x86/kvm/vmx.c Will Auld 2012-11-29 4230 static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4231 { a2fa3e9f52d875 drivers/kvm/vmx.c Gregory Haskins 2007-07-27 4232 struct vcpu_vmx *vmx = to_vmx(vcpu); 26bb0981b3ff00 arch/x86/kvm/vmx.c Avi Kivity 2009-09-07 4233 struct shared_msr_entry *msr; 2cc51560aed0ed drivers/kvm/vmx.c Eddie Dong 2007-05-21 4234 int ret = 0; 8fe8ab46be06fc arch/x86/kvm/vmx.c Will Auld 2012-11-29 4235 u32 msr_index = msr_info->index; 8fe8ab46be06fc arch/x86/kvm/vmx.c Will Auld 2012-11-29 4236 u64 data = msr_info->data; 2cc51560aed0ed drivers/kvm/vmx.c Eddie Dong 2007-05-21 4237 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4238 switch (msr_index) { 3bab1f5dda3443 drivers/kvm/vmx.c Avi Kivity 2006-12-29 4239 case MSR_EFER: 8fe8ab46be06fc arch/x86/kvm/vmx.c Will Auld 2012-11-29 4240 ret = kvm_set_msr_common(vcpu, msr_info); 2cc51560aed0ed drivers/kvm/vmx.c Eddie Dong 2007-05-21 4241 break; 16175a796d0618 arch/x86/kvm/vmx.c Avi Kivity 2009-03-23 4242 #ifdef CONFIG_X86_64 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4243 case MSR_FS_BASE: 2fb92db1ec08f3 arch/x86/kvm/vmx.c Avi Kivity 2011-04-27 4244 vmx_segment_cache_clear(vmx); 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4245 vmcs_writel(GUEST_FS_BASE, data); 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4246 break; 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4247 case MSR_GS_BASE: 2fb92db1ec08f3 arch/x86/kvm/vmx.c Avi Kivity 2011-04-27 4248 vmx_segment_cache_clear(vmx); 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4249 vmcs_writel(GUEST_GS_BASE, data); 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4250 break; 44ea2b1758d88a arch/x86/kvm/vmx.c Avi Kivity 2009-09-06 4251 case MSR_KERNEL_GS_BASE: 678e315e78a780 arch/x86/kvm/vmx.c Sean Christopherson 2018-07-23 4252 vmx_write_guest_kernel_gs_base(vmx, data); 44ea2b1758d88a arch/x86/kvm/vmx.c Avi Kivity 2009-09-06 4253 break; 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4254 #endif 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4255 case MSR_IA32_SYSENTER_CS: 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4256 vmcs_write32(GUEST_SYSENTER_CS, data); 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4257 break; 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4258 case MSR_IA32_SYSENTER_EIP: f5b42c3324494e drivers/kvm/vmx.c Avi Kivity 2007-03-06 4259 vmcs_writel(GUEST_SYSENTER_EIP, data); 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4260 break; 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4261 case MSR_IA32_SYSENTER_ESP: f5b42c3324494e drivers/kvm/vmx.c Avi Kivity 2007-03-06 4262 vmcs_writel(GUEST_SYSENTER_ESP, data); 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4263 break; 0dd376e7099757 arch/x86/kvm/vmx.c Liu, Jinsong 2014-02-24 4264 case MSR_IA32_BNDCFGS: 691bd4340bef49 arch/x86/kvm/vmx.c Haozhong Zhang 2017-07-04 4265 if (!kvm_mpx_supported() || d6321d493319bf arch/x86/kvm/vmx.c Radim Krčmář 2017-08-05 4266 (!msr_info->host_initiated && d6321d493319bf arch/x86/kvm/vmx.c Radim Krčmář 2017-08-05 4267 !guest_cpuid_has(vcpu, X86_FEATURE_MPX))) 93c4adc7afedf9 arch/x86/kvm/vmx.c Paolo Bonzini 2014-03-05 4268 return 1; fd8cb433734eeb arch/x86/kvm/vmx.c Yu Zhang 2017-08-24 4269 if (is_noncanonical_address(data & PAGE_MASK, vcpu) || 4531662d1abf6c arch/x86/kvm/vmx.c Jim Mattson 2017-05-23 4270 (data & MSR_IA32_BNDCFGS_RSVD)) 93c4adc7afedf9 arch/x86/kvm/vmx.c Paolo Bonzini 2014-03-05 4271 return 1; 0dd376e7099757 arch/x86/kvm/vmx.c Liu, Jinsong 2014-02-24 4272 vmcs_write64(GUEST_BNDCFGS, data); 0dd376e7099757 arch/x86/kvm/vmx.c Liu, Jinsong 2014-02-24 4273 break; d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4274 case MSR_IA32_SPEC_CTRL: d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4275 if (!msr_info->host_initiated && d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4276 !guest_cpuid_has(vcpu, X86_FEATURE_SPEC_CTRL)) d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4277 return 1; d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4278 d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4279 /* The STIBP bit doesn't fault even if it's not advertised */ 9f65fb29374ee3 arch/x86/kvm/vmx.c Konrad Rzeszutek Wilk 2018-05-09 4280 if (data & ~(SPEC_CTRL_IBRS | SPEC_CTRL_STIBP | SPEC_CTRL_SSBD)) d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4281 return 1; d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4282 d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4283 vmx->spec_ctrl = data; d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4284 d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4285 if (!data) d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4286 break; d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4287 d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4288 /* d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4289 * For non-nested: d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4290 * When it's written (to non-zero) for the first time, pass d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4291 * it through. d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4292 * d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4293 * For nested: d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4294 * The handling of the MSR bitmap for L2 guests is done in d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4295 * nested_vmx_merge_msr_bitmap. We should not touch the d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4296 * vmcs02.msr_bitmap here since it gets completely overwritten d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4297 * in the merging. We update the vmcs01 here for L1 as well d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4298 * since it will end up touching the MSR anyway now. d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4299 */ d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4300 vmx_disable_intercept_for_msr(vmx->vmcs01.msr_bitmap, d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4301 MSR_IA32_SPEC_CTRL, d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4302 MSR_TYPE_RW); d28b387fb74da9 arch/x86/kvm/vmx.c KarimAllah Ahmed 2018-02-01 4303 break; 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4304 case MSR_IA32_PRED_CMD: 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4305 if (!msr_info->host_initiated && 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4306 !guest_cpuid_has(vcpu, X86_FEATURE_SPEC_CTRL)) 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4307 return 1; 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4308 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4309 if (data & ~PRED_CMD_IBPB) 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4310 return 1; 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4311 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4312 if (!data) 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4313 break; 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4314 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4315 wrmsrl(MSR_IA32_PRED_CMD, PRED_CMD_IBPB); 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4316 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4317 /* 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4318 * For non-nested: 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4319 * When it's written (to non-zero) for the first time, pass 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4320 * it through. 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4321 * 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4322 * For nested: 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4323 * The handling of the MSR bitmap for L2 guests is done in 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4324 * nested_vmx_merge_msr_bitmap. We should not touch the 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4325 * vmcs02.msr_bitmap here since it gets completely overwritten 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4326 * in the merging. 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4327 */ 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4328 vmx_disable_intercept_for_msr(vmx->vmcs01.msr_bitmap, MSR_IA32_PRED_CMD, 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4329 MSR_TYPE_W); 15d45071523d89 arch/x86/kvm/vmx.c Ashok Raj 2018-02-01 4330 break; 468d472f3f6510 arch/x86/kvm/vmx.c Sheng Yang 2008-10-09 4331 case MSR_IA32_CR_PAT: 335ce4d43d2262 arch/x86/kvm/vmx.c Paolo Bonzini 2019-09-17 4332 if (!kvm_pat_valid(data)) 4566654bb9be9e arch/x86/kvm/vmx.c Nadav Amit 2014-09-18 4333 return 1; 368d6c8df82ddf arch/x86/kvm/vmx.c Sean Christopherson 2019-09-17 4334 368d6c8df82ddf arch/x86/kvm/vmx.c Sean Christopherson 2019-09-17 4335 if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) { 468d472f3f6510 arch/x86/kvm/vmx.c Sheng Yang 2008-10-09 4336 vmcs_write64(GUEST_IA32_PAT, data); 468d472f3f6510 arch/x86/kvm/vmx.c Sheng Yang 2008-10-09 4337 vcpu->arch.pat = data; 468d472f3f6510 arch/x86/kvm/vmx.c Sheng Yang 2008-10-09 4338 break; 468d472f3f6510 arch/x86/kvm/vmx.c Sheng Yang 2008-10-09 4339 } 8fe8ab46be06fc arch/x86/kvm/vmx.c Will Auld 2012-11-29 4340 ret = kvm_set_msr_common(vcpu, msr_info); 4e47c7a6d714cf arch/x86/kvm/vmx.c Sheng Yang 2009-12-18 4341 break; ba904635d498fe arch/x86/kvm/vmx.c Will Auld 2012-11-29 4342 case MSR_IA32_TSC_ADJUST: ba904635d498fe arch/x86/kvm/vmx.c Will Auld 2012-11-29 4343 ret = kvm_set_msr_common(vcpu, msr_info); 4e47c7a6d714cf arch/x86/kvm/vmx.c Sheng Yang 2009-12-18 4344 break; c45dcc71b794b5 arch/x86/kvm/vmx.c Ashok Raj 2016-06-22 4345 case MSR_IA32_MCG_EXT_CTL: c45dcc71b794b5 arch/x86/kvm/vmx.c Ashok Raj 2016-06-22 4346 if ((!msr_info->host_initiated && c45dcc71b794b5 arch/x86/kvm/vmx.c Ashok Raj 2016-06-22 4347 !(to_vmx(vcpu)->msr_ia32_feature_control & c45dcc71b794b5 arch/x86/kvm/vmx.c Ashok Raj 2016-06-22 4348 FEATURE_CONTROL_LMCE)) || c45dcc71b794b5 arch/x86/kvm/vmx.c Ashok Raj 2016-06-22 4349 (data & ~MCG_EXT_CTL_LMCE_EN)) c45dcc71b794b5 arch/x86/kvm/vmx.c Ashok Raj 2016-06-22 4350 return 1; c45dcc71b794b5 arch/x86/kvm/vmx.c Ashok Raj 2016-06-22 4351 vcpu->arch.mcg_ext_ctl = data; c45dcc71b794b5 arch/x86/kvm/vmx.c Ashok Raj 2016-06-22 4352 break; cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4353 case MSR_IA32_FEATURE_CONTROL: 37e4c997dadf71 arch/x86/kvm/vmx.c Haozhong Zhang 2016-06-22 4354 if (!vmx_feature_control_msr_valid(vcpu, data) || 3b84080b9512bc arch/x86/kvm/vmx.c Haozhong Zhang 2016-06-22 4355 (to_vmx(vcpu)->msr_ia32_feature_control & cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4356 FEATURE_CONTROL_LOCKED && !msr_info->host_initiated)) cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4357 return 1; 3b84080b9512bc arch/x86/kvm/vmx.c Haozhong Zhang 2016-06-22 4358 vmx->msr_ia32_feature_control = data; cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4359 if (msr_info->host_initiated && data == 0) cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4360 vmx_leave_nested(vcpu); cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4361 break; cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4362 case MSR_IA32_VMX_BASIC ... MSR_IA32_VMX_VMFUNC: 62cc6b9dc61eee arch/x86/kvm/vmx.c David Matlack 2016-11-29 4363 if (!msr_info->host_initiated) cae501397a25dc arch/x86/kvm/vmx.c Jan Kiszka 2014-01-04 4364 return 1; /* they are read-only */ 62cc6b9dc61eee arch/x86/kvm/vmx.c David Matlack 2016-11-29 4365 if (!nested_vmx_allowed(vcpu)) 62cc6b9dc61eee arch/x86/kvm/vmx.c David Matlack 2016-11-29 4366 return 1; 62cc6b9dc61eee arch/x86/kvm/vmx.c David Matlack 2016-11-29 4367 return vmx_set_vmx_msr(vcpu, msr_index, data); 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4368 case MSR_IA32_XSS: 08aca7450c7eaf arch/x86/kvm/vmx.c Wanpeng Li 2019-09-17 4369 if (!vmx_xsaves_supported() || 08aca7450c7eaf arch/x86/kvm/vmx.c Wanpeng Li 2019-09-17 4370 (!msr_info->host_initiated && 08aca7450c7eaf arch/x86/kvm/vmx.c Wanpeng Li 2019-09-17 4371 !(guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) && 08aca7450c7eaf arch/x86/kvm/vmx.c Wanpeng Li 2019-09-17 4372 guest_cpuid_has(vcpu, X86_FEATURE_XSAVES)))) 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4373 return 1; 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4374 /* 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4375 * The only supported bit as of Skylake is bit 8, but 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4376 * it is not supported on KVM. 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4377 */ 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4378 if (data != 0) 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4379 return 1; 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4380 vcpu->arch.ia32_xss = data; 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4381 if (vcpu->arch.ia32_xss != host_xss) 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4382 add_atomic_switch_msr(vmx, MSR_IA32_XSS, 989e3992d2eca3 arch/x86/kvm/vmx.c Konrad Rzeszutek Wilk 2018-06-20 4383 vcpu->arch.ia32_xss, host_xss, false); 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4384 else 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4385 clear_atomic_switch_msr(vmx, MSR_IA32_XSS); 203000993de509 arch/x86/kvm/vmx.c Wanpeng Li 2014-12-02 4386 break; 4e47c7a6d714cf arch/x86/kvm/vmx.c Sheng Yang 2009-12-18 4387 case MSR_TSC_AUX: d6321d493319bf arch/x86/kvm/vmx.c Radim Krčmář 2017-08-05 4388 if (!msr_info->host_initiated && d6321d493319bf arch/x86/kvm/vmx.c Radim Krčmář 2017-08-05 4389 !guest_cpuid_has(vcpu, X86_FEATURE_RDTSCP)) 4e47c7a6d714cf arch/x86/kvm/vmx.c Sheng Yang 2009-12-18 4390 return 1; 4e47c7a6d714cf arch/x86/kvm/vmx.c Sheng Yang 2009-12-18 4391 /* Check reserved bit, higher 32 bits should be zero */ 4e47c7a6d714cf arch/x86/kvm/vmx.c Sheng Yang 2009-12-18 4392 if ((data >> 32) != 0) 4e47c7a6d714cf arch/x86/kvm/vmx.c Sheng Yang 2009-12-18 4393 return 1; 4e47c7a6d714cf arch/x86/kvm/vmx.c Sheng Yang 2009-12-18 4394 /* Otherwise falls through */ 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4395 default: 8b9cf98cc7ea73 drivers/kvm/vmx.c Rusty Russell 2007-07-30 4396 msr = find_msr_entry(vmx, msr_index); 3bab1f5dda3443 drivers/kvm/vmx.c Avi Kivity 2006-12-29 4397 if (msr) { 8b3c3104c3f4f7 arch/x86/kvm/vmx.c Andy Honig 2014-08-27 4398 u64 old_msr_data = msr->data; 3bab1f5dda3443 drivers/kvm/vmx.c Avi Kivity 2006-12-29 4399 msr->data = data; 2225fd56049643 arch/x86/kvm/vmx.c Avi Kivity 2012-04-18 4400 if (msr - vmx->guest_msrs < vmx->save_nmsrs) { 2225fd56049643 arch/x86/kvm/vmx.c Avi Kivity 2012-04-18 4401 preempt_disable(); 8b3c3104c3f4f7 arch/x86/kvm/vmx.c Andy Honig 2014-08-27 4402 ret = kvm_set_shared_msr(msr->index, msr->data, 9ee73970c03edb arch/x86/kvm/vmx.c Avi Kivity 2012-03-06 4403 msr->mask); 2225fd56049643 arch/x86/kvm/vmx.c Avi Kivity 2012-04-18 4404 preempt_enable(); 8b3c3104c3f4f7 arch/x86/kvm/vmx.c Andy Honig 2014-08-27 4405 if (ret) 8b3c3104c3f4f7 arch/x86/kvm/vmx.c Andy Honig 2014-08-27 4406 msr->data = old_msr_data; 2225fd56049643 arch/x86/kvm/vmx.c Avi Kivity 2012-04-18 4407 } 3bab1f5dda3443 drivers/kvm/vmx.c Avi Kivity 2006-12-29 4408 break; 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4409 } 8fe8ab46be06fc arch/x86/kvm/vmx.c Will Auld 2012-11-29 @4410 ret = kvm_set_msr_common(vcpu, msr_info); 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4411 } 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4412 4c9a908c6bde35 arch/x86/kvm/vmx.c Pawan Gupta 2022-07-06 4413 /* FB_CLEAR may have changed, also update the FB_CLEAR_DIS behavior */ 4c9a908c6bde35 arch/x86/kvm/vmx.c Pawan Gupta 2022-07-06 4414 if (msr_index == MSR_IA32_ARCH_CAPABILITIES) 4c9a908c6bde35 arch/x86/kvm/vmx.c Pawan Gupta 2022-07-06 4415 vmx_update_fb_clear_dis(vcpu, vmx); 4c9a908c6bde35 arch/x86/kvm/vmx.c Pawan Gupta 2022-07-06 4416 2cc51560aed0ed drivers/kvm/vmx.c Eddie Dong 2007-05-21 4417 return ret; 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4418 } 6aa8b732ca01c3 drivers/kvm/vmx.c Avi Kivity 2006-12-10 4419 :::::: The code at line 4410 was first introduced by commit :::::: 8fe8ab46be06fcd9abfe6fe9928fd95b54ab079a KVM: x86: Add code to track call origin for msr assignment :::::: TO: Will Auld <will.auld.intel@gmail.com> :::::: CC: Marcelo Tosatti <mtosatti@redhat.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki