Re: [RFC][2.5] generic_usercopy() function (resend, forgot the patches)

• Next message: Stephan von Krawczynski: "Re: Aix7xxx unstable in 2.4.21-rc2? (RE: Linux 2.4.21-rc2)"
• Previous message: Paul Mackerras: "Re: [patch] cache flush bug in mm/filemap.c (all kernels >= 2.5.30(at least))"
• In reply to: Michael Hunold: "[RFC][2.5] generic_usercopy() function (resend, forgot the patches)"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Hi Michael,

On Fri, May 23, 2003 at 11:37:09AM +0200, Michael Hunold wrote:
> In order to prevent this code duplication, introducing a
> generic_usercopy() function to lib/ is one possibilty.

I like the idea, because whoever invented the IOCTL generation
macros forgot exactly this function.

This raised the problem, that some IOCTLs have the wrong numbers
due to the author not being able to grok the macros and/or
documentation.

Also many authors have problems evaluating their IOCTLs and get
directions wrong.

So this code helps these issues.

I just miss variants for the smaller sizes. These should be
handled differently and more easily,
so better warn about sizes <= sizeof(void *).

Regards

Ingo Oeser
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

• Next message: Stephan von Krawczynski: "Re: Aix7xxx unstable in 2.4.21-rc2? (RE: Linux 2.4.21-rc2)"
• Previous message: Paul Mackerras: "Re: [patch] cache flush bug in mm/filemap.c (all kernels >= 2.5.30(at least))"
• In reply to: Michael Hunold: "[RFC][2.5] generic_usercopy() function (resend, forgot the patches)"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Fri May 23 2003 - 22:00:54 EST