| vmenter.S (a4721ced760684d1776bf31f7925aa41bb3f4846) | vmenter.S (f14eec0a32038f2d6c05b8ea91c7701f65ce7418) |
|---|---|
| 1/* SPDX-License-Identifier: GPL-2.0 */ 2#include <linux/linkage.h> 3#include <asm/asm.h> 4#include <asm/bitsperlong.h> 5#include <asm/kvm_vcpu_regs.h> | 1/* SPDX-License-Identifier: GPL-2.0 */ 2#include <linux/linkage.h> 3#include <asm/asm.h> 4#include <asm/bitsperlong.h> 5#include <asm/kvm_vcpu_regs.h> |
| 6#include <asm/nospec-branch.h> |
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| 6 7#define WORD_SIZE (BITS_PER_LONG / 8) 8 9/* Intentionally omit RAX as it's context switched by hardware */ 10#define VCPU_RCX __VCPU_REGS_RCX * WORD_SIZE 11#define VCPU_RDX __VCPU_REGS_RDX * WORD_SIZE 12#define VCPU_RBX __VCPU_REGS_RBX * WORD_SIZE 13/* Intentionally omit RSP as it's context switched by hardware */ --- 59 unchanged lines hidden (view full) --- 73 mov VCPU_R14(%_ASM_AX), %r14 74 mov VCPU_R15(%_ASM_AX), %r15 75#endif 76 77 /* "POP" @vmcb to RAX. */ 78 pop %_ASM_AX 79 80 /* Enter guest mode */ | 7 8#define WORD_SIZE (BITS_PER_LONG / 8) 9 10/* Intentionally omit RAX as it's context switched by hardware */ 11#define VCPU_RCX __VCPU_REGS_RCX * WORD_SIZE 12#define VCPU_RDX __VCPU_REGS_RDX * WORD_SIZE 13#define VCPU_RBX __VCPU_REGS_RBX * WORD_SIZE 14/* Intentionally omit RSP as it's context switched by hardware */ --- 59 unchanged lines hidden (view full) --- 74 mov VCPU_R14(%_ASM_AX), %r14 75 mov VCPU_R15(%_ASM_AX), %r15 76#endif 77 78 /* "POP" @vmcb to RAX. */ 79 pop %_ASM_AX 80 81 /* Enter guest mode */ |
| 82 sti |
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| 811: vmload %_ASM_AX 82 jmp 3f 832: cmpb $0, kvm_rebooting 84 jne 3f 85 ud2 86 _ASM_EXTABLE(1b, 2b) 87 883: vmrun %_ASM_AX --- 5 unchanged lines hidden (view full) --- 94 955: vmsave %_ASM_AX 96 jmp 7f 976: cmpb $0, kvm_rebooting 98 jne 7f 99 ud2 100 _ASM_EXTABLE(5b, 6b) 1017: | 831: vmload %_ASM_AX 84 jmp 3f 852: cmpb $0, kvm_rebooting 86 jne 3f 87 ud2 88 _ASM_EXTABLE(1b, 2b) 89 903: vmrun %_ASM_AX --- 5 unchanged lines hidden (view full) --- 96 975: vmsave %_ASM_AX 98 jmp 7f 996: cmpb $0, kvm_rebooting 100 jne 7f 101 ud2 102 _ASM_EXTABLE(5b, 6b) 1037: |
| 104 cli 105 106#ifdef CONFIG_RETPOLINE 107 /* IMPORTANT: Stuff the RSB immediately after VM-Exit, before RET! */ 108 FILL_RETURN_BUFFER %_ASM_AX, RSB_CLEAR_LOOPS, X86_FEATURE_RETPOLINE 109#endif 110 |
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| 102 /* "POP" @regs to RAX. */ 103 pop %_ASM_AX 104 105 /* Save all guest registers. */ 106 mov %_ASM_CX, VCPU_RCX(%_ASM_AX) 107 mov %_ASM_DX, VCPU_RDX(%_ASM_AX) 108 mov %_ASM_BX, VCPU_RBX(%_ASM_AX) 109 mov %_ASM_BP, VCPU_RBP(%_ASM_AX) --- 53 unchanged lines hidden --- | 111 /* "POP" @regs to RAX. */ 112 pop %_ASM_AX 113 114 /* Save all guest registers. */ 115 mov %_ASM_CX, VCPU_RCX(%_ASM_AX) 116 mov %_ASM_DX, VCPU_RDX(%_ASM_AX) 117 mov %_ASM_BX, VCPU_RBX(%_ASM_AX) 118 mov %_ASM_BP, VCPU_RBP(%_ASM_AX) --- 53 unchanged lines hidden --- |