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SubjectRe: [PATCH][COMPAT] compat_sys_fcntl{,64} 1/9 Generic part
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On Tue, 2003-03-11 at 21:26, Linus Torvalds wrote:

> Yes, this looks much more sane. If you _really_ want to be anal about
> typechecking (and also checking that nobody can possibly use a user
> pointer incorrectly), you make
>
> typedef struct {
> unsigned int val;
> } compat_uptr_t;

Be careful, these kind of "int in a struct" things end up being
passed to functions on the stack instead of registers :-(

This is why we don't do any of the fancy type-checking
page table types on Sparc unless you edit the header files.

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