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From: Bruce Evans <bde@FreeBSD.org>
Date: Thu, 4 Apr 2002 09:49:49 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/alpha/alpha machdep.c src/sys/alpha/osf1
         osf1_signal.c src/sys/coda coda_psdev.c src/sys/compat/linux
         linux_signal.c src/sys/compat/svr4 svr4_signal.c src/sys/i386/i386
         machdep.c src/sys/i386/ibcs2 ibcs2_signal.c src/sys/i386/linux ...
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bde         2002/04/04 09:49:49 PST

  Modified files:
    sys/alpha/alpha      machdep.c 
    sys/alpha/osf1       osf1_signal.c 
    sys/coda             coda_psdev.c 
    sys/compat/linux     linux_signal.c 
    sys/compat/svr4      svr4_signal.c 
    sys/i386/i386        machdep.c 
    sys/i386/ibcs2       ibcs2_signal.c 
    sys/i386/linux       linux_sysvec.c 
    sys/i386/svr4        svr4_machdep.c 
    sys/ia64/ia64        machdep.c 
    sys/kern             kern_sig.c subr_trap.c 
    sys/pc98/i386        machdep.c 
    sys/sparc64/sparc64  machdep.c 
    sys/sys              proc.h signalvar.h 
  Log:
  Moved signal handling and rescheduling from userret() to ast() so that
  they aren't in the usual path of execution for syscalls and traps.
  The main complication for this is that we have to set flags to control
  ast() everywhere that changes the signal mask.
  
  Avoid locking in userret() in most of the remaining cases.
  
  Submitted by:   luoqi (first part only, long ago, reorganized by me)
  Reminded by:    dillon
  
  Revision  Changes    Path
  1.172     +2 -0      src/sys/alpha/alpha/machdep.c
  1.16      +3 -0      src/sys/alpha/osf1/osf1_signal.c
  1.22      +1 -0      src/sys/coda/coda_psdev.c
  1.33      +4 -1      src/sys/compat/linux/linux_signal.c
  1.18      +2 -0      src/sys/compat/svr4/svr4_signal.c
  1.511     +2 -0      src/sys/i386/i386/machdep.c
  1.21      +3 -0      src/sys/i386/ibcs2/ibcs2_signal.c
  1.99      +2 -0      src/sys/i386/linux/linux_sysvec.c
  1.26      +1 -0      src/sys/i386/svr4/svr4_machdep.c
  1.90      +1 -0      src/sys/ia64/ia64/machdep.c
  1.154     +25 -3     src/sys/kern/kern_sig.c
  1.215     +46 -22    src/sys/kern/subr_trap.c
  1.274     +2 -0      src/sys/pc98/i386/machdep.c
  1.46      +1 -0      src/sys/sparc64/sparc64/machdep.c
  1.215     +1 -9      src/sys/sys/proc.h
  1.49      +1 -0      src/sys/sys/signalvar.h

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