[PATCH] vt: Make vt_pid a struct pid (making it pid wrap around safe).

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Subject: [PATCH] vt: Make vt_pid a struct pid (making it pid wrap around safe).
From: ebiederm at xmission.com (Eric W. Biederman)
Date: Sun, 10 Sep 2006 23:28:09 -0600
In-reply-to: <m1u03fevvz.fsf@xxxxxxxxxxxxxxxxxxxxxxxxx> (Eric W. Biederman's message of "Sun, 10 Sep 2006 06:41:52 -0600")

Grr.  Here is the other half of my confusion.

The patch:
[PATCH] vt: Rework the console spawning variables.
is fine.

The patch:
[PATCH] vt: Make vt_pid a struct pid (making it pid wrap around safe).
which uses xchg() is racy, and needs to be fixed.

Oleg could you confirm that quick analysis.

Thanks,
Eric

Follow-Ups:
- [PATCH] vt: Make vt_pid a struct pid (making it pid wrap around safe).
  - From: Oleg Nesterov

References:
- [PATCH] vt: Make vt_pid a struct pid (making it pid wrap around safe).
  - From: Eric W. Biederman

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