On 06/21/2009 09:56 AM, Antonio Olivares wrote:
Dear fellow Fedora users, Is there a way to tell if a kernel is 64 bit or 32 bit? If one compiles and installs a kernel from kernel.org. Why am I asking? I have a 64 bit Fedora 11 installed and it showed 2.6.29.4-???x86_64 at the end so I know it is a 64 bit kernel. I copy the config of that kernel and compile a new one and install it, is that kernel still a 64 bit kernel or is it a 32 bit kernel? When compiling I see just x86/ directories in the source of the kernel and no x86_64? I have a modem that needs drivers to con nect the modem is 32 bit only but can be compiled in 64 bit code, I tried without success compiling it against the 2.6.29.4-?? x86_64 kernel. However, after compiling the kernel from kernel.org and compiling the same code it succeeded and it runs under the 2.6.30 kernel. I know that `uname -a` will tell many things about our running kernels, but is there something else that can tell us? Or when we compile a kernel.org kernel, do we have to say compile it in 64 bit? I have compiled several kernels, but not knowing if the new kernel is indeed 64 bit or not? BTW: Hope you have an excellent Father's Day! Regards, Antonio
If you build on a 64-bit system, the kernel will be 64-bit, same thing applies for 32-bit.
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