| /** |
| * @file compat24.h |
| * Compatability functions for 2.4 kernels |
| * |
| * @remark Copyright 2002 OProfile authors |
| * @remark Read the file COPYING |
| * |
| * @author John Levon |
| * @author Philippe Elie |
| */ |
| |
| #ifndef COMPAT24_H |
| #define COMPAT24_H |
| |
| #include <linux/version.h> |
| |
| static inline pid_t op_get_tgid(void) |
| { |
| return current->tgid; |
| } |
| |
| #define pte_page_address(a) page_address(pte_page(a)) |
| #define oprof_wake_up(w) wake_up(w) |
| #define lock_rtc(f) spin_lock_irqsave(&rtc_lock, f) |
| #define unlock_rtc(f) spin_unlock_irqrestore(&rtc_lock, f) |
| #define wind_dentries(d, v, r, m) wind_dentries_2_4(d, v, r, m) |
| extern uint do_path_hash_2_4(struct dentry * dentry, struct vfsmount * vfsmnt); |
| #define hash_path(f) do_path_hash_2_4((f)->f_dentry, (f)->f_vfsmnt) |
| #define request_region_check request_region |
| #define op_cpu_id() cpu_number_map(smp_processor_id()) |
| #define GET_VM_OFFSET(v) ((v)->vm_pgoff << PAGE_SHIFT) |
| #define PTRACE_OFF(t) ((t)->ptrace &= ~PT_DTRACE) |
| #define lock_execve() do { } while (0) |
| #define unlock_execve() do { } while (0) |
| #define lock_out_mmap() do { } while (0) |
| #define unlock_out_mmap() do { } while (0) |
| #define HAVE_MMAP2 |
| #define HAVE_FILE_OPERATIONS_OWNER |
| |
| /* ->owner field in 2.4 */ |
| #define INC_USE_COUNT_MAYBE |
| #define DEC_USE_COUNT_MAYBE |
| |
| /* no global waitqueue spinlock in 2.4 */ |
| #define wq_is_lockable() (1) |
| |
| /* 2.4.3 introduced rw mmap semaphore */ |
| #if V_AT_LEAST(2, 4, 3) |
| #define lock_mmap(mm) down_read(&mm->mmap_sem) |
| #define unlock_mmap(mm) up_read(&mm->mmap_sem) |
| #else |
| #define lock_mmap(mm) down(&mm->mmap_sem) |
| #define unlock_mmap(mm) up(&mm->mmap_sem) |
| #endif |
| |
| /* 2.4.26 exported the needed stuff for HT support */ |
| #if V_AT_LEAST(2, 4, 26) && defined(CONFIG_SMP) |
| #define HT_SUPPORT |
| #endif |
| |
| #endif /* COMPAT24_H */ |
