OS-7753 THREAD_KPRI_RELEASE does nothing of the sort
Reviewed by: Bryan Cantrill <bryan@joyent.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>

          --- old/usr/src/uts/common/sys/ts.h
          +++ new/usr/src/uts/common/sys/ts.h

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  24   24   * Use is subject to license terms.
       25 + * Copyright 2019 Joyent, Inc.
  25   26   */
  26   27  
  27   28  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28   29  /*        All Rights Reserved   */
  29   30  
  30   31  
  31   32  #ifndef _SYS_TS_H
  32   33  #define _SYS_TS_H
  33   34  
  34   35  #include <sys/types.h>

  35   36  #include <sys/thread.h>
  36   37  #include <sys/cpucaps.h>
  37   38  
  38   39  #ifdef  __cplusplus
  39   40  extern "C" {
  40   41  #endif
  41   42  
  42   43  /*
  43   44   * time-sharing dispatcher parameter table entry
  44   45   */
  45   46  typedef struct tsdpent {
  46   47          pri_t   ts_globpri;     /* global (class independent) priority */
  47   48          int     ts_quantum;     /* time quantum given to procs at this level */
  48   49          pri_t   ts_tqexp;       /* ts_umdpri assigned when proc at this level */
  49   50                                  /*   exceeds its time quantum */
  50   51          pri_t   ts_slpret;      /* ts_umdpri assigned when proc at this level */
  51   52                                  /*  returns to user mode after sleeping */
  52   53          short   ts_maxwait;     /* bumped to ts_lwait if more than ts_maxwait */
  53   54                                  /*  secs elapse before receiving full quantum */
  54   55          short   ts_lwait;       /* ts_umdpri assigned if ts_dispwait exceeds  */
  55   56                                  /*  ts_maxwait */
  56   57  } tsdpent_t;
  57   58  
  58   59  #ifdef _KERNEL
  59   60  /*
  60   61   * time-sharing class specific thread structure
  61   62   */
  62   63  typedef struct tsproc {
  63   64          int     ts_timeleft;    /* time remaining in procs quantum      */
  64   65          uint_t  ts_dispwait;    /* wall clock seconds since start       */
  65   66                                  /* of quantum (not reset upon preempt)  */
  66   67          pri_t   ts_cpupri;      /* system controlled component of ts_umdpri */
  67   68          pri_t   ts_uprilim;     /* user priority limit                  */
  68   69          pri_t   ts_upri;        /* user priority                        */
  69   70          pri_t   ts_umdpri;      /* user mode priority within ts class   */
  70   71          pri_t   ts_scpri;       /* remembered priority, for schedctl    */

  71   72          char    ts_nice;        /* nice value for compatibility         */
  72   73          char    ts_boost;       /* interactive priority offset          */
  73   74          uchar_t ts_flags;       /* flags defined below                  */
  74   75          kthread_t *ts_tp;       /* pointer to thread                    */
  75   76          struct tsproc *ts_next; /* link to next tsproc on list          */
  76   77          struct tsproc *ts_prev; /* link to previous tsproc on list      */
  77   78          caps_sc_t ts_caps;      /* CPU caps specific data               */
  78   79  } tsproc_t;
  79   80  
  80   81  /* flags */
  81      -#define TSKPRI          0x01    /* thread at kernel mode priority       */
       82 +
       83 +/* Formerly: TSKPRI     0x01 - thread at kernel mode priority */
  82   84  #define TSBACKQ         0x02    /* thread goes to back of dispq if preempted */
  83   85  #define TSIA            0x04    /* thread is interactive                */
  84   86  #define TSIASET         0x08    /* interactive thread is "on"           */
  85   87  #define TSIANICED       0x10    /* interactive thread has been niced    */
  86   88  #define TSRESTORE       0x20    /* thread was not preempted, due to schedctl */
  87   89                                  /* restore priority from ts_scpri       */
  88   90  
  89   91  #endif /* _KERNEL */
  90   92  
  91   93  #ifdef  __cplusplus
  92   94  }
  93   95  #endif
  94   96  
  95   97  #endif  /* _SYS_TS_H */
    

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