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SubjectRe: [: [git pull] headers_check fixes]

On Tue, 27 Jan 2009, H. Peter Anvin wrote:
> The intent of headers_check is to try to catch people who put things that
> depend on CONFIG_* stuff in exported headers (which, as we have seen, have
> been too sadly common.) If we declare that the export process will treat all
> CONFIG_* as undefined, we do lose some coverage but potentially end up with
> cleaner code. Not sure which is worse...

Do you think the "fix headers_check" patches spend lots of time analyzing
things? I bet no. They just try to make the warning go away, so you don't
actually end up with any more "coverage" anyway. Quite the reverse -
instead of having a simple rule ("CONFIG_xyz options simply do not exist
in user space"), you end up having ad-hoc hacks on a per-fix basis.


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