2015-05-27 3:12 GMT+02:00 Le Tan tamlokv...@gmail.com:
Hi,
Is there an explict split between userspace and kernel in physical
memory on Linux x86-64? That is, given a physical address, can I tell
whether this address is from userspace or not?
No. The same physical address can be used by
Hi,
Linux kernel basically manages all available physical memory pages.
If user-space need a page, kernel allocates a page for it. Hence a
physical page may be in mapped to user-space virtual address or
kernel-space virtual address or both.
The user-space and kernel-space exist in virtual
I built kernel in this sequence
make
make modules
sudo make modules_install
sudo make install
I am not sure if I boot from the old kernel,will the old kernel load the
new-installed modules or keep it's own modules？
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On Thu, 28 May 2015 11:26:02 +0800, Gao Peng said:
I am not sure if I boot from the old kernel,will the old kernel load the
new-installed modules or keep it's own modules.
If you did it properly, then you should have 2 kernels, each with a
distinct value for uname -r, and 2 directories under
Hi,
2015-05-27 21:54 GMT+08:00 Karaoui mohamed lamine mohar...@gmail.com:
2015-05-27 3:12 GMT+02:00 Le Tan tamlokv...@gmail.com:
Hi,
Is there an explict split between userspace and kernel in physical
memory on Linux x86-64? That is, given a physical address, can I tell
whether this address
Got it! thx!
On Thu, May 28, 2015 at 11:43 AM, valdis.kletni...@vt.edu wrote:
On Thu, 28 May 2015 11:26:02 +0800, Gao Peng said:
I am not sure if I boot from the old kernel,will the old kernel load the
new-installed modules or keep it's own modules.
If you did it properly, then you
