Stefan Lankes
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1a141d9dc9
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create a separate directory for SCC specific code
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2011-03-24 07:13:55 +01:00 |
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Stefan Lankes
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de9fb1fc65
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use for debugging the normal C callig convention!
=> no using of compiler flags -fomit-frame-pointer
=> definition of the macro WITH_FRAME_POINTER
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2011-03-22 22:11:43 +01:00 |
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Stefan Lankes
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88393984d9
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use platform independent data types to create the initrd
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2011-03-22 19:04:37 +01:00 |
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Stefan Lankes
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b447d78179
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remove obsolete entry
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2011-03-22 09:30:43 +01:00 |
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Stefan Lankes
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6bdff29b11
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increasing the support of cross compiling
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2011-03-22 09:30:22 +01:00 |
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Stefan Lankes
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604670c981
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now, the system call "execve" sets also the environment
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2011-03-10 09:10:12 +01:00 |
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Stefan Lankes
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472b13b527
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fix typo
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2011-03-09 18:35:23 +01:00 |
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Stefan Lankes
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2d9ba6ae70
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forwarding arguments to the new tasks
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2011-03-08 23:12:38 +01:00 |
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Stefan Lankes
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ed29ee444a
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minor optimization in our assembler code
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2011-03-08 14:39:21 +01:00 |
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Stefan Lankes
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d201c4d1bc
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- add the support of the system call execve
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2011-03-07 20:26:55 +01:00 |
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Stefan Lankes
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fc407a3eda
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copy also the entries of the pgt container
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2011-03-07 20:25:52 +01:00 |
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Stefan Lankes
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6613b13c1c
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cosmetic changes
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2011-03-07 20:04:44 +01:00 |
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Stefan Lankes
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80377e4ff3
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redesign of the IO interface
=> do not create an additional task to dump kernel messages
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2011-03-07 20:02:24 +01:00 |
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Stefan Lankes
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ec5c78fbb3
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remove compiler warnings
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2011-03-04 23:33:58 +01:00 |
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Stefan Lankes
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6f092641ba
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remove memory leak and redesign of the internal memory accounting
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2011-03-04 22:44:53 +01:00 |
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Stefan Lankes
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c21b1bf8a2
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remove compiler warnings
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2011-03-04 22:42:41 +01:00 |
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Stefan Lankes
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08dd1852b6
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create all page tables for the kernel space
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2011-03-04 21:38:36 +01:00 |
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Stefan Lankes
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08b0207dc9
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introduce a special PGD lock for the kernel space
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2011-03-04 13:47:06 +01:00 |
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Stefan Lankes
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56ee331596
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add nested spinlocks
- required to avoid deadlocks
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2011-03-04 11:38:40 +01:00 |
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Stefan Lankes
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3c0c9f2d1a
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use compiler flag -fno-builtin to disable ALL builtin functions
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2011-03-04 07:35:24 +01:00 |
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Stefan Lankes
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8dd37885cb
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extending of our test program
=> using of the system call "execve"
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2011-03-03 10:31:17 +01:00 |
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Stefan Lankes
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e9e2a0bd01
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add the support of the system call "execve" in our libgloss
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2011-03-03 09:47:14 +01:00 |
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Stefan Lankes
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464f31a53b
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optimize the system call fork
- add a function to copy a physical page
=> reduce the using of vm_alloc and vm_free
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2011-03-03 09:13:00 +01:00 |
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Stefan Lankes
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9e082fcb68
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move driver "/dev/null" to the directory "drivers/char"
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2011-03-03 07:44:20 +01:00 |
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Stefan Lankes
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a27150b923
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Fix bug in system call "fork"
- issues: memory leak
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2011-03-02 23:08:01 +01:00 |
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Stefan Lankes
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d4d7ff3aec
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remove obsolete file
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2011-03-02 15:42:22 +01:00 |
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Stefan Lankes
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5ce3ed9338
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First steps to support the system calls "fork" and "wait"
- Currently, the system call "fork" doesn't work and has a memory leak
- However, it is a good starting point for further developments.
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2011-03-02 13:49:36 +01:00 |
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Stefan Lankes
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e5031e872e
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add in libgloss the support of the system calls "read" and "wait"
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2011-03-02 06:31:14 +01:00 |
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Stefan Lankes
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cf078ec359
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add a function to read the instruction pointer
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2011-03-02 06:28:50 +01:00 |
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Stefan Lankes
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136afedbda
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ignore *.pcap and *.img files
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2011-03-02 05:36:06 +01:00 |
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Stefan Lankes
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6772524b08
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change copyright statement
=> using of a public domain license
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2011-03-02 05:32:25 +01:00 |
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Stefan Lankes
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8aff78ff48
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include task.h, which is needed by our mailbox
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2011-03-01 07:50:42 +01:00 |
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Stefan Lankes
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00a4e0e5ab
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rename example (test_fork => tests)
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2011-02-28 12:22:49 +01:00 |
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Stefan Lankes
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78cd455b20
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seperate type declaration and implementation
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2011-02-28 12:16:27 +01:00 |
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Stefan Lankes
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187df97227
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delete wrong comment
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2011-02-24 19:08:51 +01:00 |
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Stefan Lankes
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17193475bb
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use a spinlock for each PGD
increases also the useability of vm_alloc and vm_free
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2011-02-24 19:06:32 +01:00 |
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Stefan Lankes
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e157f93104
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create also for kernel tasks a new PGD
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2011-02-24 18:44:11 +01:00 |
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Stefan Lankes
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54d636d25c
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after process termination, the PGD and its PGTs will be freed
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2011-02-24 18:32:58 +01:00 |
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Stefan Lankes
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6f23361bf5
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include only required headers
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2011-02-24 10:19:34 +01:00 |
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Stefan Lankes
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16efb49204
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remove obsolete function arguments
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2011-02-24 10:15:58 +01:00 |
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Stefan Lankes
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c5b650fc32
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add the support of the VMA list into the kernel
- after process termination, this list is used to free the allocated memory regions
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2011-02-24 09:37:31 +01:00 |
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Stefan Lankes
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b4884cde2d
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add a function to change the pape permissions
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2011-02-24 09:36:05 +01:00 |
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Stefan Lankes
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ae52943045
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seperate the declaration of the data type spinlock and the implementation of a spinlock
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2011-02-24 09:33:02 +01:00 |
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Stefan Lankes
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3aaa2406de
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add a VMA list, which holds each virtual memory region of a user-level process
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2011-02-24 09:29:38 +01:00 |
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Stefan Lankes
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a178734377
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Add constants, which defines the permissions on sections in the program header.
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2011-02-22 21:04:15 +01:00 |
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Stefan Lankes
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2e6e1c78ea
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using of a clear seperation between code and data
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2011-02-22 14:03:22 +01:00 |
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Stefan Lankes
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31ad08b7ae
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Remap lapic and ioapic to the kernel space + some cosmetic changes
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2011-02-21 08:36:06 +01:00 |
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Stefan Lankes
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09a2ea194a
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add some additional output messages
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2011-02-21 08:34:38 +01:00 |
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Stefan Lankes
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c355adb300
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create a new pgd for each process
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2011-02-18 21:20:15 +01:00 |
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Stefan Lankes
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da3a81b471
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create initrd only on demand
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2011-02-18 21:15:16 +01:00 |
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