Re: About 4k kernel stack size....

[Nikita Danilov <nikita@clusterfs.com>]

linux-os (Dick Johnson) writes:
 > 
 > On Tue, 20 Dec 2005, Nikita Danilov wrote:
 > 
 > > linux-os \(Dick Johnson\) writes:
 > > >
 > >
 > > [...]
 > >
 > > > See, isn't rule-making fun? This whole 4k stack-
 > > > thing is really dumb. Other operating systems
 > > > use paged virtual memory for stacks, except
 > > > for the interrupt stack. If Linux used paged
 > > > virtual memory for stacks,
 > >
 > > ... then spin-locks couldn't be held across function calls.
 > >
 > 
 > Sure they can! In ix86 machines the local 'cli' within the

Sure they cannot: one cannot schedule with spin-lock held, and major
page fault will block for IO.

[...]

 > 
 > NT is a poor copy of VAX/VMS. The DIGITAL Project Engineer for
 > VAX/VMS was hired as a consultant by Microsoft to develop it.

Thank you, I know who D. Cutler is, and I have used RSX11/RT11/VMS, and
I am choosing Linux because of its technical superiority.

[...]

 > 

Nikita.
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