ru.unix.bsd

 
 - RU.UNIX.BSD ------------------------------------------------------------------
 From : Slawa Olhovchenkov                   2:5030/500     05 Sep 2005  22:00:20
 To : All
 Subject : Вести с полей
 -------------------------------------------------------------------------------- 
 

 
 glebius     2005-09-05 16:02:11 UTC
 
   FreeBSD src repository
 
   Modified files:
     sys/kern             kern_poll.c
   Log:
   Remove Giant mutex from polling(4) and use a separate poll_mtx(4)
   instead. Detailed changelist:
 
   o Add flags field to struct pollrec, to indicate that
     are particular entry is being worked on.
   o Define a macro PR_VALID() to check that a pollrec
     is valid and pollable.
   o Mark ISRs as mpsafe.
 
   o ether_poll()
     - Acquire poll_mtx while traversing pollrec array.
     - Skip pollrecs, that are being worked on.
     - Conditionally acquire Giant when entering handler.
 
   o netisr_pollmore()
     - Conditionally assert Giant.
     - Acquire poll_mtx while working with statistics.
 
   o netisr_poll()
     - Conditionally assert Giant.
     - Acquire poll_mtx while working with statistics
       and traversing pollrec array.
 
   o ether_poll_register(), ether_poll_deregister()
     - Conditionally assert Giant.
     - Acquire poll_mtx while working with pollrec array.
 
   o poll_idle()
     - Remove all strange manipulations with Giant.
 
   In collaboration with:  ru, pjd
   In collaboration with:  Oleg Bulyzhin <oleg rinet.ru>
   In collaboration with:  dima <_pppp mail.ru>
 
 ... Только через мой труп или за бешенные деньги!
 --- GoldED+/BSD 1.1.5
  * Origin:  (2:5030/500)
 
 

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