Re: access_ok inside kernelspace

Matthew Wilcox (Matthew.Wilcox@genedata.com)
Tue, 19 Oct 1999 11:03:10 +0200


On Tue, Oct 19, 1999 at 09:18:40AM +0200, Ingo Molnar wrote:
> it's a bug, system calls really should work from within system calls.

Ugh, really? It's going to slow down Linux/PA-RISC's syscall handler if
we have to check whether we're already in kernel mode. What's wrong with
calling sys_sysfs()?

-- 
Matthew Wilcox <willy@bofh.ai>
"Windows and MacOS are products, contrived by engineers in the service of
specific companies. Unix, by contrast, is not so much a product as it is a
painstakingly compiled oral history of the hacker subculture." - N Stephenson

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