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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 25 Jan 2011 10:14:12 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/arm/arm vm_machdep.c src/sys/i386/i386
 vm_machdep.c src/sys/mips/mips vm_machdep.c src/sys/powerpc/aim
 vm_machdep.c src/sys/powerpc/booke vm_machdep.c
 src/sys/sparc64/sparc64 vm_machdep.c
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kib         2011-01-25 10:14:12 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/arm/arm          vm_machdep.c 
    sys/i386/i386        vm_machdep.c 
    sys/mips/mips        vm_machdep.c 
    sys/powerpc/aim      vm_machdep.c 
    sys/powerpc/booke    vm_machdep.c 
    sys/sparc64/sparc64  vm_machdep.c 
  Log:
  SVN rev 217816 on 2011-01-25 10:14:12Z by kib
  
  MFC r217561:
  For architectures not using direct map , and requiring real KVA page for
  sf buf allocation, use wakeup() instead of wakeup_one() to notify sf
  buffer waiters about free buffer.
  
  sf_buf_alloc() calls msleep(PCATCH) when SFB_CATCH flag was given,
  and for simultaneous wakeup and signal delivery, msleep() returns
  EINTR/ERESTART despite the thread was selected for wakeup_one(). As
  result, we loose a wakeup, and some other waiter will not be woken up.
  
  Revision   Changes    Path
  1.40.2.5   +1 -1      src/sys/arm/arm/vm_machdep.c
  1.297.2.6  +1 -1      src/sys/i386/i386/vm_machdep.c
  1.1.2.5    +1 -1      src/sys/mips/mips/vm_machdep.c
  1.124.2.6  +1 -1      src/sys/powerpc/aim/vm_machdep.c
  1.8.2.5    +1 -1      src/sys/powerpc/booke/vm_machdep.c
  1.81.2.5   +1 -1      src/sys/sparc64/sparc64/vm_machdep.c