I\'m working on Linux kernel version 2.6.39.1, and am developing a block device driver. In this regard, I want to combine multiple struct bios into a single struct request, which is then added to the
I\'m trying to use MPU3000/3050 by Invensense with embedded linux (ARM-based LPC3141 board, Embedded Artists).
I have a char device which enables access to an external SPI memory, and I\'d like to mmap() the external memory so that I can access it from a program as if开发者_StackOverflow it were normal memory.
What are the different types of Linux files that can be created entirely in memory? For example, a pipe file may be created, but does the location of where a file is created (or the filesystem type o
Do I need to protect my interrupt handler being called many times for the same interrupt? Given the following code, I am not sure on the system calls I should make. I am getting rare, random dead-loc
I\'m writing a video device driver for X, and it needs some features provided by the XFIXES Extension. Now, I\'m pretty sure that all of my target versions of the X Se开发者_如何学Crver will have at l
I working on some code in the linux kernel (2.4) and for some reason kmalloc returns the same address (I believe it only happens after the middle of the test). I checked that no calls to kfree were ma
I\'ve tried both reading userspace pci entry under /proc/bus/pci directory and calling kernel space API pci_read_config_word() in the driver. but it seems both can only read pci basic configuration sp
I\'m writing my first Linux kernel module, which actually is a RAM disk driver plus some additional features. When I tried to insmod the module, "Segmentation fault" happened.
I stumbled upon a statement in Intel Software developers manual: \"For LGDT, LIDT, LLDT, LTR, SGDT, SIDT, SLDT, STR, the exit qualification receives the value of the instruction’s displacement field,
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