1 files changed, 0 insertions, 197 deletions
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
deleted file mode 100644
index eb561cc93632..000000000000
--- a/arch/ia64/kernel/sys_ia64.c
+++ /dev/null
@@ -1,197 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * This file contains various system calls that have different calling
- * conventions on different platforms.
- *
- * Copyright (C) 1999-2000, 2002-2003, 2005 Hewlett-Packard Co
- *	David Mosberger-Tang <davidm@hpl.hp.com>
- */
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/sched.h>
-#include <linux/sched/mm.h>
-#include <linux/sched/task_stack.h>
-#include <linux/shm.h>
-#include <linux/file.h>		/* doh, must come after sched.h... */
-#include <linux/smp.h>
-#include <linux/syscalls.h>
-#include <linux/highuid.h>
-#include <linux/hugetlb.h>
-
-#include <asm/shmparam.h>
-#include <linux/uaccess.h>
-
-unsigned long
-arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len,
-			unsigned long pgoff, unsigned long flags)
-{
-	long map_shared = (flags & MAP_SHARED);
-	unsigned long align_mask = 0;
-	struct mm_struct *mm = current->mm;
-	struct vm_unmapped_area_info info;
-
-	if (len > RGN_MAP_LIMIT)
-		return -ENOMEM;
-
-	/* handle fixed mapping: prevent overlap with huge pages */
-	if (flags & MAP_FIXED) {
-		if (is_hugepage_only_range(mm, addr, len))
-			return -EINVAL;
-		return addr;
-	}
-
-#ifdef CONFIG_HUGETLB_PAGE
-	if (REGION_NUMBER(addr) == RGN_HPAGE)
-		addr = 0;
-#endif
-	if (!addr)
-		addr = TASK_UNMAPPED_BASE;
-
-	if (map_shared && (TASK_SIZE > 0xfffffffful))
-		/*
-		 * For 64-bit tasks, align shared segments to 1MB to avoid potential
-		 * performance penalty due to virtual aliasing (see ASDM).  For 32-bit
-		 * tasks, we prefer to avoid exhausting the address space too quickly by
-		 * limiting alignment to a single page.
-		 */
-		align_mask = PAGE_MASK & (SHMLBA - 1);
-
-	info.flags = 0;
-	info.length = len;
-	info.low_limit = addr;
-	info.high_limit = TASK_SIZE;
-	info.align_mask = align_mask;
-	info.align_offset = pgoff << PAGE_SHIFT;
-	return vm_unmapped_area(&info);
-}
-
-asmlinkage long
-ia64_getpriority (int which, int who)
-{
-	long prio;
-
-	prio = sys_getpriority(which, who);
-	if (prio >= 0) {
-		force_successful_syscall_return();
-		prio = 20 - prio;
-	}
-	return prio;
-}
-
-/* XXX obsolete, but leave it here until the old libc is gone... */
-asmlinkage unsigned long
-sys_getpagesize (void)
-{
-	return PAGE_SIZE;
-}
-
-asmlinkage unsigned long
-ia64_brk (unsigned long brk)
-{
-	unsigned long retval = sys_brk(brk);
-	force_successful_syscall_return();
-	return retval;
-}
-
-/*
- * On IA-64, we return the two file descriptors in ret0 and ret1 (r8
- * and r9) as this is faster than doing a copy_to_user().
- */
-asmlinkage long
-sys_ia64_pipe (void)
-{
-	struct pt_regs *regs = task_pt_regs(current);
-	int fd[2];
-	int retval;
-
-	retval = do_pipe_flags(fd, 0);
-	if (retval)
-		goto out;
-	retval = fd[0];
-	regs->r9 = fd[1];
-  out:
-	return retval;
-}
-
-int ia64_mmap_check(unsigned long addr, unsigned long len,
-		unsigned long flags)
-{
-	unsigned long roff;
-
-	/*
-	 * Don't permit mappings into unmapped space, the virtual page table
-	 * of a region, or across a region boundary.  Note: RGN_MAP_LIMIT is
-	 * equal to 2^n-PAGE_SIZE (for some integer n <= 61) and len > 0.
-	 */
-	roff = REGION_OFFSET(addr);
-	if ((len > RGN_MAP_LIMIT) || (roff > (RGN_MAP_LIMIT - len)))
-		return -EINVAL;
-	return 0;
-}
-
-/*
- * mmap2() is like mmap() except that the offset is expressed in units
- * of PAGE_SIZE (instead of bytes).  This allows to mmap2() (pieces
- * of) files that are larger than the address space of the CPU.
- */
-asmlinkage unsigned long
-sys_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, long pgoff)
-{
-	addr = ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
-	if (!IS_ERR_VALUE(addr))
-		force_successful_syscall_return();
-	return addr;
-}
-
-asmlinkage unsigned long
-sys_mmap (unsigned long addr, unsigned long len, int prot, int flags, int fd, long off)
-{
-	if (offset_in_page(off) != 0)
-		return -EINVAL;
-
-	addr = ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
-	if (!IS_ERR_VALUE(addr))
-		force_successful_syscall_return();
-	return addr;
-}
-
-asmlinkage unsigned long
-ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags,
-	     unsigned long new_addr)
-{
-	addr = sys_mremap(addr, old_len, new_len, flags, new_addr);
-	if (!IS_ERR_VALUE(addr))
-		force_successful_syscall_return();
-	return addr;
-}
-
-asmlinkage long
-ia64_clock_getres(const clockid_t which_clock, struct __kernel_timespec __user *tp)
-{
-	struct timespec64 rtn_tp;
-	s64 tick_ns;
-
-	/*
-	 * ia64's clock_gettime() syscall is implemented as a vdso call
-	 * fsys_clock_gettime(). Currently it handles only
-	 * CLOCK_REALTIME and CLOCK_MONOTONIC. Both are based on
-	 * 'ar.itc' counter which gets incremented at a constant
-	 * frequency. It's usually 400MHz, ~2.5x times slower than CPU
-	 * clock frequency. Which is almost a 1ns hrtimer, but not quite.
-	 *
-	 * Let's special-case these timers to report correct precision
-	 * based on ITC frequency and not HZ frequency for supported
-	 * clocks.
-	 */
-	switch (which_clock) {
-	case CLOCK_REALTIME:
-	case CLOCK_MONOTONIC:
-		tick_ns = DIV_ROUND_UP(NSEC_PER_SEC, local_cpu_data->itc_freq);
-		rtn_tp = ns_to_timespec64(tick_ns);
-		return put_timespec64(&rtn_tp, tp);
-	}
-
-	return sys_clock_getres(which_clock, tp);
-}