SVNews r327415

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2017-12-31 05:16:23 - r327415 by mjg (Mateusz Guzik)

Complete list of files affected by revision r327415:

(Note: At the moment, these links point to ViewVC on svn.freebsd.org. They are probably slow. Do not overuse.)

   Contents     MODIFY   /stable/11  
  History   Contents   Diff   MODIFY   /stable/11/sys/kern/kern_sysctl.c  

Commit message:

MFC r324045:

  sysctl: remove target buffer read/write checks prior to calling the handler

  Said checks were inherently racy anyway as jokers could unmap target areas
  before the handler got around to accessing them.

  This saves time by avoiding locking the address space.

 


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