manual update from upstream:

Applied Al's change 06a544971fad0992fe8b92c5647538d573089dd4
to new location of swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 0 insertions, 274 deletions

diff --git a/arch/mips/kernel/module-elf64.c b/arch/mips/kernel/module-elf64.c
deleted file mode 100644
index e804792ee1e..00000000000
--- a/arch/mips/kernel/module-elf64.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- *  Copyright (C) 2001 Rusty Russell.
- *  Copyright (C) 2003, 2004 Ralf Baechle (ralf@linux-mips.org)
- */
-
-#undef DEBUG
-
-#include <linux/moduleloader.h>
-#include <linux/elf.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-
-struct mips_hi16 {
-	struct mips_hi16 *next;
-	Elf32_Addr *addr;
-	Elf64_Addr value;
-};
-
-static struct mips_hi16 *mips_hi16_list;
-
-void *module_alloc(unsigned long size)
-{
-	if (size == 0)
-		return NULL;
-	return vmalloc(size);
-}
-
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
-	vfree(module_region);
-	/* FIXME: If module_region == mod->init_region, trim exception
-           table entries. */
-}
-
-int module_frob_arch_sections(Elf_Ehdr *hdr,
-			      Elf_Shdr *sechdrs,
-			      char *secstrings,
-			      struct module *mod)
-{
-	return 0;
-}
-
-int apply_relocate(Elf64_Shdr *sechdrs,
-		   const char *strtab,
-		   unsigned int symindex,
-		   unsigned int relsec,
-		   struct module *me)
-{
-	/*
-	 * We don't want to deal with REL relocations - RELA is so much saner.
-	 */
-	if (!sechdrs[relsec].sh_size)
-		return 0;
-
-	printk(KERN_ERR "module %s: REL relocation unsupported\n",
-	       me->name);
-	return -ENOEXEC;
-}
-
-static int apply_r_mips_none(struct module *me, uint32_t *location,
-	Elf64_Addr v)
-{
-	return 0;
-}
-
-static int apply_r_mips_32(struct module *me, uint32_t *location,
-	Elf64_Addr v)
-{
-	*location = v;
-
-	return 0;
-}
-
-static int apply_r_mips_26(struct module *me, uint32_t *location,
-	Elf64_Addr v)
-{
-	if (v % 4) {
-		printk(KERN_ERR "module %s: dangerous relocation\n", me->name);
-		return -ENOEXEC;
-	}
-
-	if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
-		printk(KERN_ERR
-		       "module %s: relocation overflow\n",
-		       me->name);
-		return -ENOEXEC;
-	}
-
-	*location = (*location & ~0x03ffffff) | ((v >> 2) & 0x03ffffff);
-
-	return 0;
-}
-
-static int apply_r_mips_hi16(struct module *me, uint32_t *location,
-	Elf64_Addr v)
-{
-	struct mips_hi16 *n;
-
-	/*
-	 * We cannot relocate this one now because we don't know the value of
-	 * the carry we need to add.  Save the information, and let LO16 do the
-	 * actual relocation.
-	 */
-	n = kmalloc(sizeof *n, GFP_KERNEL);
-	if (!n)
-		return -ENOMEM;
-
-	n->addr = location;
-	n->value = v;
-	n->next = mips_hi16_list;
-	mips_hi16_list = n;
-
-	return 0;
-}
-
-static int apply_r_mips_lo16(struct module *me, uint32_t *location,
-	Elf64_Addr v)
-{
-	unsigned long insnlo = *location;
-	Elf32_Addr val, vallo;
-
-	/* Sign extend the addend we extract from the lo insn.  */
-	vallo = ((insnlo & 0xffff) ^ 0x8000) - 0x8000;
-
-	if (mips_hi16_list != NULL) {
-		struct mips_hi16 *l;
-
-		l = mips_hi16_list;
-		while (l != NULL) {
-			struct mips_hi16 *next;
-			unsigned long insn;
-
-			/*
-			 * The value for the HI16 had best be the same.
-			 */
-			if (v != l->value)
-				goto out_danger;
-
-			/*
-			 * Do the HI16 relocation.  Note that we actually don't
-			 * need to know anything about the LO16 itself, except
-			 * where to find the low 16 bits of the addend needed
-			 * by the LO16.
-			 */
-			insn = *l->addr;
-			val = ((insn & 0xffff) << 16) + vallo;
-			val += v;
-
-			/*
-			 * Account for the sign extension that will happen in
-			 * the low bits.
-			 */
-			val = ((val >> 16) + ((val & 0x8000) != 0)) & 0xffff;
-
-			insn = (insn & ~0xffff) | val;
-			*l->addr = insn;
-
-			next = l->next;
-			kfree(l);
-			l = next;
-		}
-
-		mips_hi16_list = NULL;
-	}
-
-	/*
-	 * Ok, we're done with the HI16 relocs.  Now deal with the LO16.
-	 */
-	insnlo = (insnlo & ~0xffff) | (v & 0xffff);
-	*location = insnlo;
-
-	return 0;
-
-out_danger:
-	printk(KERN_ERR "module %s: dangerous " "relocation\n", me->name);
-
-	return -ENOEXEC;
-}
-
-static int apply_r_mips_64(struct module *me, uint32_t *location,
-	Elf64_Addr v)
-{
-	*(uint64_t *) location = v;
-
-	return 0;
-}
-
-
-static int apply_r_mips_higher(struct module *me, uint32_t *location,
-	Elf64_Addr v)
-{
-	*location = (*location & 0xffff0000) |
-	            ((((long long) v + 0x80008000LL) >> 32) & 0xffff);
-
-	return 0;
-}
-
-static int apply_r_mips_highest(struct module *me, uint32_t *location,
-	Elf64_Addr v)
-{
-	*location = (*location & 0xffff0000) |
-	            ((((long long) v + 0x800080008000LL) >> 48) & 0xffff);
-
-	return 0;
-}
-
-static int (*reloc_handlers[]) (struct module *me, uint32_t *location,
-	Elf64_Addr v) = {
-	[R_MIPS_NONE]		= apply_r_mips_none,
-	[R_MIPS_32]		= apply_r_mips_32,
-	[R_MIPS_26]		= apply_r_mips_26,
-	[R_MIPS_HI16]		= apply_r_mips_hi16,
-	[R_MIPS_LO16]		= apply_r_mips_lo16,
-	[R_MIPS_64]		= apply_r_mips_64,
-	[R_MIPS_HIGHER]		= apply_r_mips_higher,
-	[R_MIPS_HIGHEST]	= apply_r_mips_highest
-};
-
-int apply_relocate_add(Elf64_Shdr *sechdrs,
-		       const char *strtab,
-		       unsigned int symindex,
-		       unsigned int relsec,
-		       struct module *me)
-{
-	Elf64_Mips_Rela *rel = (void *) sechdrs[relsec].sh_addr;
-	Elf64_Sym *sym;
-	uint32_t *location;
-	unsigned int i;
-	Elf64_Addr v;
-	int res;
-
-	pr_debug("Applying relocate section %u to %u\n", relsec,
-	       sechdrs[relsec].sh_info);
-
-	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
-		/* This is where to make the change */
-		location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
-			+ rel[i].r_offset;
-		/* This is the symbol it is referring to */
-		sym = (Elf64_Sym *)sechdrs[symindex].sh_addr + rel[i].r_sym;
-		if (!sym->st_value) {
-			printk(KERN_WARNING "%s: Unknown symbol %s\n",
-			       me->name, strtab + sym->st_name);
-			return -ENOENT;
-		}
-
-		v = sym->st_value;
-
-		res = reloc_handlers[rel[i].r_type](me, location, v);
-		if (res)
-			return res;
-	}
-
-	return 0;
-}