[v4,04/23] KVM: x86: do not go through ctxt->ops when emulating rsm

Message ID	20221025124223.227577-5-mlevitsk@redhat.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <kvm-owner@kernel.org> From: Maxim Levitsky <mlevitsk@redhat.com> To: kvm@vger.kernel.org Cc: Paolo Bonzini <pbonzini@redhat.com>, Yang Zhong <yang.zhong@intel.com>, linux-kselftest@vger.kernel.org, Kees Cook <keescook@chromium.org>, Borislav Petkov <bp@alien8.de>, Guang Zeng <guang.zeng@intel.com>, Wanpeng Li <wanpengli@tencent.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Maxim Levitsky <mlevitsk@redhat.com>, Joerg Roedel <joro@8bytes.org>, linux-kernel@vger.kernel.org, Wei Wang <wei.w.wang@intel.com>, Jim Mattson <jmattson@google.com>, Dave Hansen <dave.hansen@linux.intel.com>, Sean Christopherson <seanjc@google.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, x86@kernel.org, Shuah Khan <shuah@kernel.org> Subject: [PATCH v4 04/23] KVM: x86: do not go through ctxt->ops when emulating rsm Date: Tue, 25 Oct 2022 15:42:04 +0300 Message-Id: <20221025124223.227577-5-mlevitsk@redhat.com> In-Reply-To: <20221025124223.227577-1-mlevitsk@redhat.com> References: <20221025124223.227577-1-mlevitsk@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	SMM emulation and interrupt shadow fixes \| expand [v4,00/23] SMM emulation and interrupt shadow fixes [v4,01/23] KVM: x86: start moving SMM-related functions to new files [v4,02/23] KVM: x86: move SMM entry to a new file [v4,03/23] KVM: x86: move SMM exit to a new file [v4,04/23] KVM: x86: do not go through ctxt->ops when emulating rsm [v4,05/23] KVM: allow compiling out SMM support [v4,06/23] KVM: x86: compile out vendor-specific code if SMM is disabled [v4,07/23] KVM: x86: remove SMRAM address space if SMM is not supported [v4,08/23] KVM: x86: do not define KVM_REQ_SMI if SMM disabled [v4,09/23] bug: introduce ASSERT_STRUCT_OFFSET [v4,10/23] KVM: x86: emulator: em_sysexit should update ctxt->mode [v4,11/23] KVM: x86: emulator: introduce emulator_recalc_and_set_mode [v4,12/23] KVM: x86: emulator: update the emulation mode after rsm [v4,13/23] KVM: x86: emulator: update the emulation mode after CR0 write [v4,14/23] KVM: x86: smm: number of GPRs in the SMRAM image depends on the image format [v4,15/23] KVM: x86: smm: check for failures on smm entry [v4,16/23] KVM: x86: smm: add structs for KVM's smram layout [v4,17/23] KVM: x86: smm: use smram structs in the common code

diff --git a/arch/x86/kvm/kvm_emulate.h b/arch/x86/kvm/kvm_emulate.h index d7afbc448dd245..84b1f266146305 100644 --- a/arch/x86/kvm/kvm_emulate.h +++ b/arch/x86/kvm/kvm_emulate.h @@ -116,16 +116,6 @@ struct x86_emulate_ops { unsigned int bytes, struct x86_exception *fault, bool system); - /* - * read_phys: Read bytes of standard (non-emulated/special) memory. - * Used for descriptor reading. - * @addr: [IN ] Physical address from which to read. - * @val: [OUT] Value read from memory. - * @bytes: [IN ] Number of bytes to read from memory. - */ - int (*read_phys)(struct x86_emulate_ctxt *ctxt, unsigned long addr, - void *val, unsigned int bytes); - /* * write_std: Write bytes of standard (non-emulated/special) memory. * Used for descriptor writing. @@ -209,11 +199,8 @@ struct x86_emulate_ops { int (*cpl)(struct x86_emulate_ctxt *ctxt); void (*get_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong *dest); int (*set_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong value); - u64 (*get_smbase)(struct x86_emulate_ctxt *ctxt); - void (*set_smbase)(struct x86_emulate_ctxt *ctxt, u64 smbase); int (*set_msr_with_filter)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 data); int (*get_msr_with_filter)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 *pdata); - int (*set_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 data); int (*get_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 *pdata); int (*check_pmc)(struct x86_emulate_ctxt *ctxt, u32 pmc); int (*read_pmc)(struct x86_emulate_ctxt *ctxt, u32 pmc, u64 *pdata); diff --git a/arch/x86/kvm/smm.c b/arch/x86/kvm/smm.c index 773e07b6397df0..41ca128478fcd4 100644 --- a/arch/x86/kvm/smm.c +++ b/arch/x86/kvm/smm.c @@ -271,71 +271,59 @@ void enter_smm(struct kvm_vcpu *vcpu) kvm_mmu_reset_context(vcpu); } -static int emulator_has_longmode(struct x86_emulate_ctxt *ctxt) -{ -#ifdef CONFIG_X86_64 - return ctxt->ops->guest_has_long_mode(ctxt); -#else - return false; -#endif -} - -static void rsm_set_desc_flags(struct desc_struct *desc, u32 flags) +static void rsm_set_desc_flags(struct kvm_segment *desc, u32 flags) { desc->g = (flags >> 23) & 1; - desc->d = (flags >> 22) & 1; + desc->db = (flags >> 22) & 1; desc->l = (flags >> 21) & 1; desc->avl = (flags >> 20) & 1; - desc->p = (flags >> 15) & 1; + desc->present = (flags >> 15) & 1; desc->dpl = (flags >> 13) & 3; desc->s = (flags >> 12) & 1; desc->type = (flags >> 8) & 15; + + desc->unusable = !desc->present; + desc->padding = 0; } -static int rsm_load_seg_32(struct x86_emulate_ctxt *ctxt, const char *smstate, +static int rsm_load_seg_32(struct kvm_vcpu *vcpu, const char *smstate, int n) { - struct desc_struct desc; + struct kvm_segment desc; int offset; - u16 selector; - - selector = GET_SMSTATE(u32, smstate, 0x7fa8 + n * 4); if (n < 3) offset = 0x7f84 + n * 12; else offset = 0x7f2c + (n - 3) * 12; - set_desc_base(&desc, GET_SMSTATE(u32, smstate, offset + 8)); - set_desc_limit(&desc, GET_SMSTATE(u32, smstate, offset + 4)); + desc.selector = GET_SMSTATE(u32, smstate, 0x7fa8 + n * 4); + desc.base = GET_SMSTATE(u32, smstate, offset + 8); + desc.limit = GET_SMSTATE(u32, smstate, offset + 4); rsm_set_desc_flags(&desc, GET_SMSTATE(u32, smstate, offset)); - ctxt->ops->set_segment(ctxt, selector, &desc, 0, n); + kvm_set_segment(vcpu, &desc, n); return X86EMUL_CONTINUE; } #ifdef CONFIG_X86_64 -static int rsm_load_seg_64(struct x86_emulate_ctxt *ctxt, const char *smstate, +static int rsm_load_seg_64(struct kvm_vcpu *vcpu, const char *smstate, int n) { - struct desc_struct desc; + struct kvm_segment desc; int offset; - u16 selector; - u32 base3; offset = 0x7e00 + n * 16; - selector = GET_SMSTATE(u16, smstate, offset); + desc.selector = GET_SMSTATE(u16, smstate, offset); rsm_set_desc_flags(&desc, GET_SMSTATE(u16, smstate, offset + 2) << 8); - set_desc_limit(&desc, GET_SMSTATE(u32, smstate, offset + 4)); - set_desc_base(&desc, GET_SMSTATE(u32, smstate, offset + 8)); - base3 = GET_SMSTATE(u32, smstate, offset + 12); - - ctxt->ops->set_segment(ctxt, selector, &desc, base3, n); + desc.limit = GET_SMSTATE(u32, smstate, offset + 4); + desc.base = GET_SMSTATE(u64, smstate, offset + 8); + kvm_set_segment(vcpu, &desc, n); return X86EMUL_CONTINUE; } #endif -static int rsm_enter_protected_mode(struct x86_emulate_ctxt *ctxt, +static int rsm_enter_protected_mode(struct kvm_vcpu *vcpu, u64 cr0, u64 cr3, u64 cr4) { int bad; @@ -348,7 +336,7 @@ static int rsm_enter_protected_mode(struct x86_emulate_ctxt *ctxt, cr3 &= ~0xfff; } - bad = ctxt->ops->set_cr(ctxt, 3, cr3); + bad = kvm_set_cr3(vcpu, cr3); if (bad) return X86EMUL_UNHANDLEABLE; @@ -357,20 +345,20 @@ static int rsm_enter_protected_mode(struct x86_emulate_ctxt *ctxt, * Then enable protected mode. However, PCID cannot be enabled * if EFER.LMA=0, so set it separately. */ - bad = ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PCIDE); + bad = kvm_set_cr4(vcpu, cr4 & ~X86_CR4_PCIDE); if (bad) return X86EMUL_UNHANDLEABLE; - bad = ctxt->ops->set_cr(ctxt, 0, cr0); + bad = kvm_set_cr0(vcpu, cr0); if (bad) return X86EMUL_UNHANDLEABLE; if (cr4 & X86_CR4_PCIDE) { - bad = ctxt->ops->set_cr(ctxt, 4, cr4); + bad = kvm_set_cr4(vcpu, cr4); if (bad) return X86EMUL_UNHANDLEABLE; if (pcid) { - bad = ctxt->ops->set_cr(ctxt, 3, cr3 | pcid); + bad = kvm_set_cr3(vcpu, cr3 | pcid); if (bad) return X86EMUL_UNHANDLEABLE; } @@ -383,9 +371,9 @@ static int rsm_enter_protected_mode(struct x86_emulate_ctxt *ctxt, static int rsm_load_state_32(struct x86_emulate_ctxt *ctxt, const char *smstate) { - struct desc_struct desc; + struct kvm_vcpu *vcpu = ctxt->vcpu; + struct kvm_segment desc; struct desc_ptr dt; - u16 selector; u32 val, cr0, cr3, cr4; int i; @@ -399,56 +387,55 @@ static int rsm_load_state_32(struct x86_emulate_ctxt *ctxt, val = GET_SMSTATE(u32, smstate, 0x7fcc); - if (ctxt->ops->set_dr(ctxt, 6, val)) + if (kvm_set_dr(vcpu, 6, val)) return X86EMUL_UNHANDLEABLE; val = GET_SMSTATE(u32, smstate, 0x7fc8); - if (ctxt->ops->set_dr(ctxt, 7, val)) + if (kvm_set_dr(vcpu, 7, val)) return X86EMUL_UNHANDLEABLE; - selector = GET_SMSTATE(u32, smstate, 0x7fc4); - set_desc_base(&desc, GET_SMSTATE(u32, smstate, 0x7f64)); - set_desc_limit(&desc, GET_SMSTATE(u32, smstate, 0x7f60)); + desc.selector = GET_SMSTATE(u32, smstate, 0x7fc4); + desc.base = GET_SMSTATE(u32, smstate, 0x7f64); + desc.limit = GET_SMSTATE(u32, smstate, 0x7f60); rsm_set_desc_flags(&desc, GET_SMSTATE(u32, smstate, 0x7f5c)); - ctxt->ops->set_segment(ctxt, selector, &desc, 0, VCPU_SREG_TR); + kvm_set_segment(vcpu, &desc, VCPU_SREG_TR); - selector = GET_SMSTATE(u32, smstate, 0x7fc0); - set_desc_base(&desc, GET_SMSTATE(u32, smstate, 0x7f80)); - set_desc_limit(&desc, GET_SMSTATE(u32, smstate, 0x7f7c)); + desc.selector = GET_SMSTATE(u32, smstate, 0x7fc0); + desc.base = GET_SMSTATE(u32, smstate, 0x7f80); + desc.limit = GET_SMSTATE(u32, smstate, 0x7f7c); rsm_set_desc_flags(&desc, GET_SMSTATE(u32, smstate, 0x7f78)); - ctxt->ops->set_segment(ctxt, selector, &desc, 0, VCPU_SREG_LDTR); + kvm_set_segment(vcpu, &desc, VCPU_SREG_LDTR); dt.address = GET_SMSTATE(u32, smstate, 0x7f74); dt.size = GET_SMSTATE(u32, smstate, 0x7f70); - ctxt->ops->set_gdt(ctxt, &dt); + static_call(kvm_x86_set_gdt)(vcpu, &dt); dt.address = GET_SMSTATE(u32, smstate, 0x7f58); dt.size = GET_SMSTATE(u32, smstate, 0x7f54); - ctxt->ops->set_idt(ctxt, &dt); + static_call(kvm_x86_set_idt)(vcpu, &dt); for (i = 0; i < 6; i++) { - int r = rsm_load_seg_32(ctxt, smstate, i); + int r = rsm_load_seg_32(vcpu, smstate, i); if (r != X86EMUL_CONTINUE) return r; } cr4 = GET_SMSTATE(u32, smstate, 0x7f14); - ctxt->ops->set_smbase(ctxt, GET_SMSTATE(u32, smstate, 0x7ef8)); + vcpu->arch.smbase = GET_SMSTATE(u32, smstate, 0x7ef8); - return rsm_enter_protected_mode(ctxt, cr0, cr3, cr4); + return rsm_enter_protected_mode(vcpu, cr0, cr3, cr4); } #ifdef CONFIG_X86_64 static int rsm_load_state_64(struct x86_emulate_ctxt *ctxt, const char *smstate) { - struct desc_struct desc; + struct kvm_vcpu *vcpu = ctxt->vcpu; + struct kvm_segment desc; struct desc_ptr dt; u64 val, cr0, cr3, cr4; - u32 base3; - u16 selector; int i, r; for (i = 0; i < NR_EMULATOR_GPRS; i++) @@ -459,51 +446,49 @@ static int rsm_load_state_64(struct x86_emulate_ctxt *ctxt, val = GET_SMSTATE(u64, smstate, 0x7f68); - if (ctxt->ops->set_dr(ctxt, 6, val)) + if (kvm_set_dr(vcpu, 6, val)) return X86EMUL_UNHANDLEABLE; val = GET_SMSTATE(u64, smstate, 0x7f60); - if (ctxt->ops->set_dr(ctxt, 7, val)) + if (kvm_set_dr(vcpu, 7, val)) return X86EMUL_UNHANDLEABLE; cr0 = GET_SMSTATE(u64, smstate, 0x7f58); cr3 = GET_SMSTATE(u64, smstate, 0x7f50); cr4 = GET_SMSTATE(u64, smstate, 0x7f48); - ctxt->ops->set_smbase(ctxt, GET_SMSTATE(u32, smstate, 0x7f00)); + vcpu->arch.smbase = GET_SMSTATE(u32, smstate, 0x7f00); val = GET_SMSTATE(u64, smstate, 0x7ed0); - if (ctxt->ops->set_msr(ctxt, MSR_EFER, val & ~EFER_LMA)) + if (kvm_set_msr(vcpu, MSR_EFER, val & ~EFER_LMA)) return X86EMUL_UNHANDLEABLE; - selector = GET_SMSTATE(u32, smstate, 0x7e90); + desc.selector = GET_SMSTATE(u32, smstate, 0x7e90); rsm_set_desc_flags(&desc, GET_SMSTATE(u32, smstate, 0x7e92) << 8); - set_desc_limit(&desc, GET_SMSTATE(u32, smstate, 0x7e94)); - set_desc_base(&desc, GET_SMSTATE(u32, smstate, 0x7e98)); - base3 = GET_SMSTATE(u32, smstate, 0x7e9c); - ctxt->ops->set_segment(ctxt, selector, &desc, base3, VCPU_SREG_TR); + desc.limit = GET_SMSTATE(u32, smstate, 0x7e94); + desc.base = GET_SMSTATE(u64, smstate, 0x7e98); + kvm_set_segment(vcpu, &desc, VCPU_SREG_TR); dt.size = GET_SMSTATE(u32, smstate, 0x7e84); dt.address = GET_SMSTATE(u64, smstate, 0x7e88); - ctxt->ops->set_idt(ctxt, &dt); + static_call(kvm_x86_set_idt)(vcpu, &dt); - selector = GET_SMSTATE(u32, smstate, 0x7e70); + desc.selector = GET_SMSTATE(u32, smstate, 0x7e70); rsm_set_desc_flags(&desc, GET_SMSTATE(u32, smstate, 0x7e72) << 8); - set_desc_limit(&desc, GET_SMSTATE(u32, smstate, 0x7e74)); - set_desc_base(&desc, GET_SMSTATE(u32, smstate, 0x7e78)); - base3 = GET_SMSTATE(u32, smstate, 0x7e7c); - ctxt->ops->set_segment(ctxt, selector, &desc, base3, VCPU_SREG_LDTR); + desc.limit = GET_SMSTATE(u32, smstate, 0x7e74); + desc.base = GET_SMSTATE(u64, smstate, 0x7e78); + kvm_set_segment(vcpu, &desc, VCPU_SREG_LDTR); dt.size = GET_SMSTATE(u32, smstate, 0x7e64); dt.address = GET_SMSTATE(u64, smstate, 0x7e68); - ctxt->ops->set_gdt(ctxt, &dt); + static_call(kvm_x86_set_gdt)(vcpu, &dt); - r = rsm_enter_protected_mode(ctxt, cr0, cr3, cr4); + r = rsm_enter_protected_mode(vcpu, cr0, cr3, cr4); if (r != X86EMUL_CONTINUE) return r; for (i = 0; i < 6; i++) { - r = rsm_load_seg_64(ctxt, smstate, i); + r = rsm_load_seg_64(vcpu, smstate, i); if (r != X86EMUL_CONTINUE) return r; } @@ -520,14 +505,14 @@ int emulator_leave_smm(struct x86_emulate_ctxt *ctxt) u64 smbase; int ret; - smbase = ctxt->ops->get_smbase(ctxt); + smbase = vcpu->arch.smbase; - ret = ctxt->ops->read_phys(ctxt, smbase + 0xfe00, buf, sizeof(buf)); - if (ret != X86EMUL_CONTINUE) + ret = kvm_vcpu_read_guest(vcpu, smbase + 0xfe00, buf, sizeof(buf)); + if (ret < 0) return X86EMUL_UNHANDLEABLE; - if ((ctxt->ops->get_hflags(ctxt) & X86EMUL_SMM_INSIDE_NMI_MASK) == 0) - ctxt->ops->set_nmi_mask(ctxt, false); + if ((vcpu->arch.hflags & HF_SMM_INSIDE_NMI_MASK) == 0) + static_call(kvm_x86_set_nmi_mask)(vcpu, false); kvm_smm_changed(vcpu, false); @@ -535,41 +520,41 @@ int emulator_leave_smm(struct x86_emulate_ctxt *ctxt) * Get back to real mode, to prepare a safe state in which to load * CR0/CR3/CR4/EFER. It's all a bit more complicated if the vCPU * supports long mode. - * - * The ctxt->ops callbacks will handle all side effects when writing - * writing MSRs and CRs, e.g. MMU context resets, CPUID - * runtime updates, etc. */ - if (emulator_has_longmode(ctxt)) { - struct desc_struct cs_desc; +#ifdef CONFIG_X86_64 + if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) { + struct kvm_segment cs_desc; /* Zero CR4.PCIDE before CR0.PG. */ - cr4 = ctxt->ops->get_cr(ctxt, 4); + cr4 = kvm_read_cr4(vcpu); if (cr4 & X86_CR4_PCIDE) - ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PCIDE); + kvm_set_cr4(vcpu, cr4 & ~X86_CR4_PCIDE); /* A 32-bit code segment is required to clear EFER.LMA. */ memset(&cs_desc, 0, sizeof(cs_desc)); cs_desc.type = 0xb; - cs_desc.s = cs_desc.g = cs_desc.p = 1; - ctxt->ops->set_segment(ctxt, 0, &cs_desc, 0, VCPU_SREG_CS); + cs_desc.s = cs_desc.g = cs_desc.present = 1; + kvm_set_segment(vcpu, &cs_desc, VCPU_SREG_CS); } +#endif /* For the 64-bit case, this will clear EFER.LMA. */ - cr0 = ctxt->ops->get_cr(ctxt, 0); + cr0 = kvm_read_cr0(vcpu); if (cr0 & X86_CR0_PE) - ctxt->ops->set_cr(ctxt, 0, cr0 & ~(X86_CR0_PG | X86_CR0_PE)); + kvm_set_cr0(vcpu, cr0 & ~(X86_CR0_PG | X86_CR0_PE)); - if (emulator_has_longmode(ctxt)) { +#ifdef CONFIG_X86_64 + if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) { /* Clear CR4.PAE before clearing EFER.LME. */ - cr4 = ctxt->ops->get_cr(ctxt, 4); + cr4 = kvm_read_cr4(vcpu); if (cr4 & X86_CR4_PAE) - ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PAE); + kvm_set_cr4(vcpu, cr4 & ~X86_CR4_PAE); /* And finally go back to 32-bit mode. */ efer = 0; - ctxt->ops->set_msr(ctxt, MSR_EFER, efer); + kvm_set_msr(vcpu, MSR_EFER, efer); } +#endif /* * Give leave_smm() a chance to make ISA-specific changes to the vCPU @@ -580,7 +565,7 @@ int emulator_leave_smm(struct x86_emulate_ctxt *ctxt) return X86EMUL_UNHANDLEABLE; #ifdef CONFIG_X86_64 - if (emulator_has_longmode(ctxt)) + if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) return rsm_load_state_64(ctxt, buf); else #endif diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a1e524c2c39df2..2ae8ac525fc324 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7214,15 +7214,6 @@ static int emulator_read_std(struct x86_emulate_ctxt *ctxt, return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access, exception); } -static int kvm_read_guest_phys_system(struct x86_emulate_ctxt *ctxt, - unsigned long addr, void *val, unsigned int bytes) -{ - struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); - int r = kvm_vcpu_read_guest(vcpu, addr, val, bytes); - - return r < 0 ? X86EMUL_IO_NEEDED : X86EMUL_CONTINUE; -} - static int kvm_write_guest_virt_helper(gva_t addr, void *val, unsigned int bytes, struct kvm_vcpu *vcpu, u64 access, struct x86_exception *exception) @@ -8014,26 +8005,6 @@ static int emulator_get_msr(struct x86_emulate_ctxt *ctxt, return kvm_get_msr(emul_to_vcpu(ctxt), msr_index, pdata); } -static int emulator_set_msr(struct x86_emulate_ctxt *ctxt, - u32 msr_index, u64 data) -{ - return kvm_set_msr(emul_to_vcpu(ctxt), msr_index, data); -} - -static u64 emulator_get_smbase(struct x86_emulate_ctxt *ctxt) -{ - struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); - - return vcpu->arch.smbase; -} - -static void emulator_set_smbase(struct x86_emulate_ctxt *ctxt, u64 smbase) -{ - struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); - - vcpu->arch.smbase = smbase; -} - static int emulator_check_pmc(struct x86_emulate_ctxt *ctxt, u32 pmc) { @@ -8132,7 +8103,6 @@ static const struct x86_emulate_ops emulate_ops = { .write_gpr = emulator_write_gpr, .read_std = emulator_read_std, .write_std = emulator_write_std, - .read_phys = kvm_read_guest_phys_system, .fetch = kvm_fetch_guest_virt, .read_emulated = emulator_read_emulated, .write_emulated = emulator_write_emulated, @@ -8152,11 +8122,8 @@ static const struct x86_emulate_ops emulate_ops = { .cpl = emulator_get_cpl, .get_dr = emulator_get_dr, .set_dr = emulator_set_dr, - .get_smbase = emulator_get_smbase, - .set_smbase = emulator_set_smbase, .set_msr_with_filter = emulator_set_msr_with_filter, .get_msr_with_filter = emulator_get_msr_with_filter, - .set_msr = emulator_set_msr, .get_msr = emulator_get_msr, .check_pmc = emulator_check_pmc, .read_pmc = emulator_read_pmc,

[v4,04/23] KVM: x86: do not go through ctxt->ops when emulating rsm

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