understanding the linux kernel 4th edition

... some process, the kernel lets the disk controller handle it, and resumes executing other processes. An interrupt notifies the kernel when the device has satisfied the read, so the former process ... while the CPU is running a kernel control path with the interrupts enabled. The first kernel control path is left unfinished and the CPU starts processing another kernel control path to handle the ... simplest case, the CPU executes a kernel control path sequentially from the first instruction to the last. When one of the following events occurs, however, the CPU interleaves the kernel control...

Ngày tải lên: 21/12/2013, 11:15

... address the segment, the kernel just loads the value yielded by the macro into the cs register. • A kernel data segment. The fields of the corresponding Segment Descriptor in the GDT have the ... or the brk( ) system call (which is invoked internally by malloc( )), the kernel just updates the size of the heap memory region of the process. A page frame is Understanding the Linux Kernel ... permanently mapped by the kernel, and the "high memory," that is, the physical memory that is not permanently mapped by the kernel. Understanding the Linux Kernel 26 1.6.4 Process...

Ngày tải lên: 25/03/2014, 10:52

Ngày tải lên: 24/07/2013, 11:02

... /lib/modules /kernel- version. Kernel image và initrd được đưa vào /boot/.  Với việc biên dịch kernel, với mỗi kernel có thể có các lỗi khác nhau. (Vì source kernel không đúng). Tùy theo tình huống ... - Chú ý: phải remove theo thứ tự ngược lại. - Liệt kê module lại để kiểm tra 2/ Compiling kernel: - Download source kernel từ trang kernel. org. - Để biên dịch được kernel, cần cài bộ C ... MẠNG ATHENA 2 Bis Đinh Tiên Hoàng, P. Đa Cao, Q.1, TP.HCM Tel: (84-8) 38244041 – 0989012418 www.athena.edu.vn Biên soạn: Nguyễn Trí Thức – Lưu Hành Nội Bộ 97 Bài Lab 6: Compiling the linux...

Ngày tải lên: 29/09/2013, 20:20

... instructs the shell to execute the program in the current directory with the given name. (The dot is an alias for the current directory.) If you forget the -o name option that tells the compiler ... Book The book has a number of aims: ❑ To teach the use of the standard Linux C libraries and other facilities as specified by the various Linux and UNIX standards. ❑ To show how to make the most ... have their own piles of notes and scribbles. They have their code examples saved from the past heroic dive into the manuals or from Usenet, where sometimes even fools fear to follow. (The other...

Ngày tải lên: 23/12/2013, 03:16

... Understanding the Linux Kernel [BC00] [BC03] tend to cover the entire kernel rather than one topic with the notable exception of device drivers [RC01]. These books, particularly Understanding the Linux Kernel, provideinvaluable ... Between these systems, they have the bulk of the code patterns that are prevalent throughout the rest of the kernel code, which makes the deciphering of more complex systems such as the page replacement ... ZONE NORMAL.Thisisthephysical memory directly accessible by the kernel and is related to the kernel/ userspace split in the linear address space marked by PAGE OFFSET .The value, with the others, is stored...

Ngày tải lên: 08/03/2014, 23:20

... music, they adjust the playback volume. • At all other times, they adjust the volume of sound effects like the ringer and alarms. Either way, a corresponding volume graphic appears on the screen ... general, the iPhone charges even if your computer is asleep. • The AC adapter. The little white two-prong cube that came with the iPhone connects to the end of the cradle’s USB cable. Unless the ... you are on the volume scale. The Bottom and the Back On the bottom edge of the iPhone, Apple has parked three important com- ponents, none of which you’ll ever have to bother with: the speakerphone...

Ngày tải lên: 23/03/2014, 01:20

... at the time the support was a little wobbly.Almost before the book was released, the FreeBSD team improvedthe support and rolled it into the base release. The result? Lots of mail messages to the FreeBSD-questions ... physically torn out the man pages from the book to makeitmore manageable. As a result, the third edition had only the most necessary man pages. Times have changed since then. At the time, The Complete ... driverfor it. There are twoways to get a driverinto the kernel: you can build a kernel that includes the drivercode, or you can load a drivermodule (Kernel Loadable Module or kld)into the kernel at...

Ngày tải lên: 25/03/2014, 10:52

... with the latest bug fixes. Linux and the GNU toolset are released under the GNU General Public License (GPL). Most other components of a typical Linux distribution use either the GPL or one of the ... locate the book’s title (either by using the Search box or by using one of the title lists) and click the Download Code link on the book’s detail page to obtain all the source code for the book. ... cre- ated, the command is executed in the new environment, and the environment is then discarded apart from the exit code that is returned to the parent shell. However, the external source and the...

Ngày tải lên: 29/03/2014, 16:20

... Styling and Other Basics www.it-ebooks.info The @font-face rule declares the name of the font, then enables you to load in a font file that’s on your server with the src property. You can then just ... markup the following two lists the first having three list items and the second having one: The CSS3 Anthology14 www.it-ebooks.info How do I style the first item in a list differently from the others? ... in the default font size. In theory, if you set the font size of some text to 1ex, the uppercase letters will display at the height at which the lowercase letter x would have appeared if the...

Ngày tải lên: 31/03/2014, 16:50

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Ngày tải lên: 24/07/2013, 11:09

Ngày tải lên: 24/07/2013, 11:10

... code in the kernel. MAINTAINERS lists the names of the individuals who maintain subsystems and drivers in the kernel. Makefile is the base kernel Makefile. Building the Kernel Building the kernel ... the kernel. Although the kernel certainly is unique in many ways, at the end of the day it is little different from any other large software project. Obtaining the Kernel Source The current Linux ... Introduction to the Linux Kernel As Linus and other kernel developers contribute to the Linux kernel, they decide how best to advance Linux without neglecting its Unix roots (and, more important, the Unix...

Ngày tải lên: 15/02/2014, 19:20