More about the first class, including building linux and kernel/user space.

[cascardo/kernel/old_slides/.git] / plano

diff --git a/plano b/plano
index 140c9f2..b514521 100644 (file)
--- a/plano
+++ b/plano
@@ -6,10 +6,14 @@ intro
                current versioning/development model
                build dependencies
                running new/bleeding-edge kernels
-       kernel/user space
-       libc/system calls
 
 concepts
+       kernel/user space
+               rings/levels/modes
+               memory protection/segmentation/pagination
+               library calls
+               allowed uses (floating point forbidden)
+       libc/system calls
        operating system functions
                process management
                        concurrency
@@ -27,10 +31,12 @@ concepts
                restrict some operations to privileged users
                do not send unzeored data (information leak)
                do not trust received data (malformed data) (exploit)
+               risks for the machine/system/data
 
 basics
        Makefile
        Kconfig DO?
+       building linux DO?
        build
        init/exit
        module macros
@@ -42,6 +48,7 @@ basics
 VFS
        center/hub/interface
        char/block/procfs/sysfs: all go through VFS to device
+       fops is the main structure in linux
        FS on top of block devices
                block layer
                exception: some on top of MTD devices