From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Tue, 1 Dec 2009 12:08:48 +0000 (-0200)
Subject: A class plan sketch.
X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Fkernel%2Fold_slides%2F.git;a=commitdiff_plain;h=cd1ca06e160b811b585854e924bfbf0aed4a5b46

A class plan sketch.
---

diff --git a/plano b/plano
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index 0000000..5845f53
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+++ b/plano
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+intro
+	linux
+
+basics
+	Makefile
+	Kconfig DO?
+	build
+	init/exit
+	printk
+
+VFS
+	center/hub/interface
+	char/block/procfs/sysfs: all go through VFS to device
+	FS on top of block devices
+		block layer
+		exception: some on top of MTD devices
+
+device driver subsystem
+	buses
+	device classes
+	interfaces
+		dev file
+		sysfs
+		procfs
+		sysctl DO?
+		netlink DO?
+
+char device
+procfs
+sysfs
+block device DO? STUDY
+network device DO? STUDY
+terminal/serial device DO? STUDY
+
+debugging techniques
+	printk/procfs
+	kgdb DO?
+	trace DO?
+	kprobe DO?
+
+C basics
+	container_of (struct embedding)
+	fops/*ops (function pointers)
+
+data structures
+	list_head
+	bitmap
+	trees DO? STUDY rbtree
+	idr DO?
+	any hash implementation DO? STUDY
+
+contexts
+	user context (current, copy_from_user, schedule) STUDY schedule
+	interrupt context
+	workqueue is user context
+	sleep == schedule
+
+concurrency
+	SMP systems
+	locking
+	spinlock: disable scheduler
+	semaphore/mutex sleeps
+	per-cpu variables STUDY
+	atomic
+	RCU DO?
+
+memory allocation
+	kobject refcount MENTION
+	slab STUDY
+		multiple implementations
+		space efficient (tables for different object sizes)
+		concurrency efficient (per-cpu tables)
+	kmalloc
+		uses slab STUDY
+	vmalloc
+		linux memory layout
+
+scheduling/timing
+	schedule{,_timeout}
+	timer
+	workqueue
+	completion/wait_head
+	tasklets DO? STUDY
+
+portability
+	readl/writel/etc
+	be16_to_cpu/etc
+
+interrupt
+	{request,free}_irq
+	interrupt context
+	tasklet/workqueue/postpone
+
+buses
+	PCI bus DO?
+	USB bus DO?
+	some bus: SPI, I2C, parport DO?
+
+device classes
+	some class: cdrom, backlight, input, misc DO?
+
+kobject DO? advanced
+	refcounting