Can you mmap (user) and ioremap_nocache (kernal) the same phys address say that of an fpga?
Can you mmap (user) and ioremap_nocache (kernal) the same phys address?
692 Views Asked by domgary At
1
There are 1 best solutions below
Related Questions in MMAP
- How to access shared memory type section by Python
- How much memory did Linux give to malloc()?
- Is it possible to write to a mmap'd file without getting a bus error
- Munmap isn't working
- Asm x86 segmentation fault in reading from file
- Slow memory allocation in OSX
- Write-only mapping a O_WRONLY opened file supposed to work?
- how can I add metadata to a numpy memmap array?
- mmap return value during error
- How can `NSUserDefaults synchronize` runs so fast?
- strstr on huge mmapped file
- MMAP segmentation fault
- mmap man page on Mac
- is there a portable way to manage structure data stored in a mapped file in Linux, without reading it raw byte-by-byte?
- Basic mmap(2) call fails
Related Questions in IOREMAP
- reserve system memory, ioremap()?
- Kernel driver, ioremap necessary in MMU-less system?
- Using physical address as sk_buff data fragment
- LINUX KERNEL driver hangs/freeze after handling mapped register
- Reading block from MTD flash with ioremap
- Can you mmap (user) and ioremap_nocache (kernal) the same phys address?
- Can only read 0 from ioremap() memory
- ioremap returns abnormal virtual address
- ioremap_wc sending 64 bytes only
- ioremap - Unable to handle kernel paging request at virtual address XXXXXXXX
- Why ioremap allocated areas have such large aligment?
- what is the meaning of mapping virtual address to physical address?
- map reserver memory at boot to user space using remap_pfn_range
- using ioremap over kernel memory boot time reservation
- Why PAGE_SIZE is often used in ioremap?
Trending Questions
- UIImageView Frame Doesn't Reflect Constraints
- Is it possible to use adb commands to click on a view by finding its ID?
- How to create a new web character symbol recognizable by html/javascript?
- Why isn't my CSS3 animation smooth in Google Chrome (but very smooth on other browsers)?
- Heap Gives Page Fault
- Connect ffmpeg to Visual Studio 2008
- Both Object- and ValueAnimator jumps when Duration is set above API LvL 24
- How to avoid default initialization of objects in std::vector?
- second argument of the command line arguments in a format other than char** argv or char* argv[]
- How to improve efficiency of algorithm which generates next lexicographic permutation?
- Navigating to the another actvity app getting crash in android
- How to read the particular message format in android and store in sqlite database?
- Resetting inventory status after order is cancelled
- Efficiently compute powers of X in SSE/AVX
- Insert into an external database using ajax and php : POST 500 (Internal Server Error)
Popular Questions
- How do I undo the most recent local commits in Git?
- How can I remove a specific item from an array in JavaScript?
- How do I delete a Git branch locally and remotely?
- Find all files containing a specific text (string) on Linux?
- How do I revert a Git repository to a previous commit?
- How do I create an HTML button that acts like a link?
- How do I check out a remote Git branch?
- How do I force "git pull" to overwrite local files?
- How do I list all files of a directory?
- How to check whether a string contains a substring in JavaScript?
- How do I redirect to another webpage?
- How can I iterate over rows in a Pandas DataFrame?
- How do I convert a String to an int in Java?
- Does Python have a string 'contains' substring method?
- How do I check if a string contains a specific word?
yes . mmap will map device address to user space and ioremap will map device address to kernel virtual address. Both return addresses will point to same device address finally.