Re: Query on directly accessing physical memory from a kernel module

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On Wed, Apr 30, 2008 at 4:00 AM, Rajat Jain <Rajat.Jain@xxxxxxxxxxxx> wrote:

You can use ioremap() to build page tables for that physical address and
then use that virtual address using ioread / iowrite functions.

(thanks for the prompt response)

hmm, but shouldn't the kernel be able to access physical memory directly (up to a some range anyway) ?



[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux