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SubjectRe: root-owned /proc/pid files for threaded apps?
Ok, after trying all four combinations (call to wmb() moved or not, and
set_user(0, 1) vs set_user(0, 0)), it turns out all four exhibit
skipping, so that's unrelated (in fact, it seems to happen not on net
access, but on redraw -- mozilla's dialogs make xmms skip, too).

The call to set_user() definitely changes the behavior of the directory
in /proc as we expected.

I suppose I'll have to wait for the low latency patch to be updated to
the latest ac kernel; that appears to have been the reason there wasn't
any skipping in my 2.4.18-pre3-ac2. I tried porting it myself, but the
rejects were significant enough to confuse me, so I'll wait.

I'll leave it for someone else to decide what arguments to set_user()
exec_usermodehelper() should pass.

Thanks all!

Danek
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