search for: jidong

Displaying 6 results from an estimated 6 matches for "jidong".

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2011 Jun 13
1
extcarve - ext2,ext3,ext4 file carving tool
Hi - Updated my old project named "ext3carve" and renamed it as "extcarve" . It uses libext2fs. (To be precise,re-uses on 'debugfs' command's "dump_unused" feature) In summary,the tool will do the following - It will scan the linux machine ,for unused/deleted blocks and search for magic signatures. If it finds valid signature (both header and footer) It
2014 May 20
2
question about "struct kvm_segment"
...that the access rights is 32bits, which includes a 4 bits type, 2 bits dpl, and 1 bit for the present,dpl,db,s,l,g,avl. So why here they are all defined as __u8? It means that, each of them is represented by 8bits? This looks inconsistent with the VMX spec. Hope someone can explain this, thanks! -Jidong
2014 May 20
2
question about "struct kvm_segment"
...that the access rights is 32bits, which includes a 4 bits type, 2 bits dpl, and 1 bit for the present,dpl,db,s,l,g,avl. So why here they are all defined as __u8? It means that, each of them is represented by 8bits? This looks inconsistent with the VMX spec. Hope someone can explain this, thanks! -Jidong
2014 May 30
0
question about "struct kvm_segment"
Il 20/05/2014 04:25, Jidong Xiao ha scritto: > Hi, > > The structure kvm_segment is defined as follows: > > struct kvm_segment { > __u64 base; > __u32 limit; > __u16 selector; > __u8 type; > __u8 present, dpl, db, s, l, g, avl; > __u8 unusable...
2012 Feb 06
1
Strange finding about kernel samepage merging
Hi, This is a very very strange thing I have seen in Linux Kernel. I wrote a simple program, all it does is to load a file into memory. This programming is running on a virtual machine while linux-kvm is working as the hypervisor. I enabled ksm in the hypervisor level, my host machine was installed with a Opensuse11.4 while the guest OS is Fedora14, the strange thing is, whenever I run following
2012 Feb 06
1
Strange finding about kernel samepage merging
Hi, This is a very very strange thing I have seen in Linux Kernel. I wrote a simple program, all it does is to load a file into memory. This programming is running on a virtual machine while linux-kvm is working as the hypervisor. I enabled ksm in the hypervisor level, my host machine was installed with a Opensuse11.4 while the guest OS is Fedora14, the strange thing is, whenever I run following