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SubjectRe: Trying to convert old modules to newer kernels
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On Thu, Dec 20, 2007 at 11:13:19AM -0500, linux-os (Dick Johnson) wrote:
> It never gets to the printk(). You were right about the
> compilation. Somebody changed the kernel to compile with
> parameter passing in REGISTERS! This means that EVERYTHING
> needs to be compiled the same way, 'C' calling conventions
> were not good enough!
>
> FYI, it has been previously shown that passing parameters
> in registers on register-starved ix86 machines is always
> a loss, because the registers need to be freed up, either
> by saving them on the stack or as dummy memory variables.
>
> Now, they've done it to the entire kernel!

It's a config option. I think redhat was the first to actually start
using it on their distributions. Many distributions don't use it.
Debian does not use it on their kernels.

--
Len Sorensen


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