lnet/include/linux/portals_compat25.h

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  */
   4 #ifndef _PORTALS_COMPAT_H
   5 #define _PORTALS_COMPAT_H
   6
   7 // XXX BUG 1511 -- remove this stanza and all callers when bug 1511 is resolved
   8 #if SPINLOCK_DEBUG
   9 # if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) || defined(CONFIG_RH_2_4_20)
  10 #  define SIGNAL_MASK_ASSERT() \
  11    LASSERT(current->sighand->siglock.magic == SPINLOCK_MAGIC)
  12 # else
  13 #  define SIGNAL_MASK_ASSERT() \
  14    LASSERT(current->sigmask_lock.magic == SPINLOCK_MAGIC)
  15 # endif
  16 #else
  17 # define SIGNAL_MASK_ASSERT()
  18 #endif
  19 // XXX BUG 1511 -- remove this stanza and all callers when bug 1511 is resolved
  20
  21 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
  22
  23 # define SIGNAL_MASK_LOCK(task, flags)                                  \
  24   spin_lock_irqsave(&task->sighand->siglock, flags)
  25 # define SIGNAL_MASK_UNLOCK(task, flags)                                \
  26   spin_unlock_irqrestore(&task->sighand->siglock, flags)
  27 # define USERMODEHELPER(path, argv, envp)                               \
  28   call_usermodehelper(path, argv, envp, 1)
  29 # define RECALC_SIGPENDING         recalc_sigpending()
  30 # define CURRENT_SECONDS           get_seconds()
  31
  32 #elif defined(CONFIG_RH_2_4_20) /* RH 2.4.x */
  33
  34 # define SIGNAL_MASK_LOCK(task, flags)                                  \
  35   spin_lock_irqsave(&task->sighand->siglock, flags)
  36 # define SIGNAL_MASK_UNLOCK(task, flags)                                \
  37   spin_unlock_irqrestore(&task->sighand->siglock, flags)
  38 # define USERMODEHELPER(path, argv, envp)                               \
  39   call_usermodehelper(path, argv, envp)
  40 # define RECALC_SIGPENDING         recalc_sigpending()
  41 # define CURRENT_SECONDS           CURRENT_TIME
  42
  43 # define kernel_text_address(addr) is_kernel_text_address(addr)
  44 extern int is_kernel_text_address(unsigned long addr);
  45
  46 #else /* 2.4.x */
  47
  48 # define SIGNAL_MASK_LOCK(task, flags)                                  \
  49   spin_lock_irqsave(&task->sigmask_lock, flags)
  50 # define SIGNAL_MASK_UNLOCK(task, flags)                                \
  51   spin_unlock_irqrestore(&task->sigmask_lock, flags)
  52 # define USERMODEHELPER(path, argv, envp)                               \
  53   call_usermodehelper(path, argv, envp)
  54 # define RECALC_SIGPENDING         recalc_sigpending(current)
  55 # define CURRENT_SECONDS           CURRENT_TIME
  56
  57 # define kernel_text_address(addr) is_kernel_text_address(addr)
  58 extern int is_kernel_text_address(unsigned long addr);
  59
  60 #endif
  61
  62 #if defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
  63 # define THREAD_NAME(comm, len, fmt, a...)                              \
  64         snprintf(comm, len, fmt "|%d", ## a, current->thread.extern_pid)
  65 #elif defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
  66 # define THREAD_NAME(comm, len, fmt, a...)                              \
  67         snprintf(comm, len,fmt"|%d", ## a,current->thread.mode.tt.extern_pid)
  68 #else
  69 # define THREAD_NAME(comm, len, fmt, a...)                              \
  70         snprintf(comm, len, fmt, ## a)
  71 #endif
  72
  73 #ifdef HAVE_PAGE_LIST
  74 /* 2.4 alloc_page users can use page->list */
  75 #define PAGE_LIST_ENTRY list
  76 #define PAGE_LIST(page) ((page)->list)
  77 #else
  78 /* 2.6 alloc_page users can use page->lru */
  79 #define PAGE_LIST_ENTRY lru
  80 #define PAGE_LIST(page) ((page)->lru)
  81 #endif
  82
  83 #endif /* _PORTALS_COMPAT_H */