restrictions of VMX operation
FROM intel sdm CHAPTER 24 INTRODUCTION TO VIRTUAL MACHINE EXTENSIONS 24.8 RESTRICTIONS ON VMX OPERATION VMX operation places restrictions on processor operation. These are detailed belo...
one step at a time
user-timer event and interrupt
FROM Intel® Architecture Instruction Set Extensions and Future Features doc number 319433-052 CHAPTER 13 USER-TIMER EVENTS AND INTERRUPTS abstract This chapter describes an architectura...
virtualization cr0
Guest/Host Masks and Read Shadows for CR0 and CR4 FROM intel sdm CHAPTER 25 VIRTUAL MACHINE CONTROL STRUCTURES 25.6 VM-EXECUTION CONTROL FIELDS 25.6.6 VM-execution control fields ...
protected-mode memory management
FROM intel sdm CHAPTER 3 PROTECTED-MODE MEMORY MANAGEMENT abstract This chapter describes the Intel 64 and IA-32 architecture’s protected-mode memory management facilities, including the phys...
protected-mode memory management
29.3.6 Page-Modification Logging When accessed and dirty flags for EPT are enabled, software can track writes to guest-physical addresses using a feature called page-modification logging. 当启用了...
when load control register during in switching rmode 2 pmode
the intel sdm suggestion From intel sdm 10.9.1 Switching to Protected Mode, it give following steps: ... 3. Execute a MOV CR0 instruction that sets the PE flag (and optionally the PG flag) in...
vm86
FROM intel sdm chapter 21 8086 emulation abstract IA-32 processors (beginning with the Intel386 processor) provide two ways to execute new or legacy programs that are assembled and/or compiled t...
async pf -- GUP change
参考代码 该部分代码, mail list中和commit中内容不同, 而且mail list中也没有提到为什么当时没有全部 合入, 我们先以mail list 为准: [KVM: Add host swap event notifications for PV guest][v7] 后续, 我们在另一篇文章中详细介绍: [link][2] 遗留问题 ...
async pf -- gfn2hva cache
introduce 该功能仅通过name就可以得知, 是为了缓存gfn(gpa)到hva的映射. 但是这个映射关系 不是一直存在么, 为什么设计看似比较复杂的机制, 我们一步步来看 user memory region support 我们知道,在比较早期的版本, kvm 创建memslot API kvm_vm_ioctl KVM_SET_USER_MEMORY_REGION ...
embedding markdown in HTML tag
ISSUE When I try to use the markdown syntax in <details> HTML tags, for example, code blocks, encounter the problem of code blocks that cannot be rendered. The source code is as follows: &...