[cobalt] add support for 2.6.35

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22802 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 474 insertions, 99 deletions

diff --git a/target/linux/cobalt/config-default b/target/linux/cobalt/config-default
index 5c0630306..5c08a666b 100644
--- a/target/linux/cobalt/config-default
+++ b/target/linux/cobalt/config-default
@@ -1,24 +1,47 @@
 # CONFIG_32BIT is not set
+CONFIG_64BIT=y
 # CONFIG_ALCHEMY_GPIO_INDIRECT is not set
 # CONFIG_AR7 is not set
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
+CONFIG_ARCH_POPULATES_NODE_MAP=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_ARCH_SUPPORTS_OPROFILE=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
 # CONFIG_ARPD is not set
+CONFIG_ATA=y
 # CONFIG_BCM47XX is not set
 # CONFIG_BCM63XX is not set
+CONFIG_BINFMT_ELF32=y
+CONFIG_BITREVERSE=y
 # CONFIG_BLK_DEV_INITRD is not set
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_BLOCK_COMPAT=y
 # CONFIG_BRIDGE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set
 # CONFIG_CAVIUM_OCTEON_SIMULATOR is not set
+CONFIG_CEVT_GT641XX=y
+CONFIG_CEVT_R4K=y
+CONFIG_CEVT_R4K_LIB=y
+CONFIG_COMPAT=y
+CONFIG_COMPAT_BRK=y
+CONFIG_COMPAT_NETLINK_MESSAGES=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 # CONFIG_CPU_BIG_ENDIAN is not set
 # CONFIG_CPU_CAVIUM_OCTEON is not set
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_LITTLE_ENDIAN=y
 # CONFIG_CPU_LOONGSON2E is not set
+# CONFIG_CPU_LOONGSON2F is not set
 # CONFIG_CPU_MIPS32_R1 is not set
 # CONFIG_CPU_MIPS32_R2 is not set
 # CONFIG_CPU_MIPS64_R1 is not set
 # CONFIG_CPU_MIPS64_R2 is not set
+CONFIG_CPU_NEVADA=y
 # CONFIG_CPU_R10000 is not set
 # CONFIG_CPU_R3000 is not set
 # CONFIG_CPU_R4300 is not set
@@ -31,113 +54,21 @@
 # CONFIG_CPU_RM7000 is not set
 # CONFIG_CPU_RM9000 is not set
 # CONFIG_CPU_SB1 is not set
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y
 # CONFIG_CPU_TX39XX is not set
 # CONFIG_CPU_TX49XX is not set
 # CONFIG_CPU_VR41XX is not set
-# CONFIG_DE4X5 is not set
-# CONFIG_DM9000 is not set
-# CONFIG_DM9102 is not set
-# CONFIG_FIRMWARE_EDID is not set
-# CONFIG_FRAMEBUFFER_CONSOLE is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_HIGH_RES_TIMERS is not set
-# CONFIG_HW_RANDOM is not set
-# CONFIG_HZ_100 is not set
-# CONFIG_INPUT_YEALINK is not set
-# CONFIG_IP_ADVANCED_ROUTER is not set
-# CONFIG_IP_MULTICAST is not set
-# CONFIG_JFFS2_FS is not set
-# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
-# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
-# CONFIG_LEDS_TRIGGER_TIMER is not set
-# CONFIG_LOGO is not set
-# CONFIG_MACH_ALCHEMY is not set
-# CONFIG_MACH_DECSTATION is not set
-# CONFIG_MACH_JAZZ is not set
-# CONFIG_MACH_LOONGSON is not set
-# CONFIG_MACH_TX39XX is not set
-# CONFIG_MACH_TX49XX is not set
-# CONFIG_MACH_VR41XX is not set
-# CONFIG_MII is not set
-# CONFIG_MIKROTIK_RB532 is not set
-# CONFIG_MIPS_MACHINE is not set
-# CONFIG_MIPS_MALTA is not set
-# CONFIG_MIPS_MT_SMP is not set
-# CONFIG_MIPS_MT_SMTC is not set
-# CONFIG_MIPS_SIM is not set
-# CONFIG_MISC_DEVICES is not set
-# CONFIG_MTD_BLOCK is not set
-# CONFIG_MTD_BLOCK_RO is not set
-# CONFIG_MTD_CFI is not set
-# CONFIG_MTD_CFI_INTELEXT is not set
-# CONFIG_MTD_COMPLEX_MAPPINGS is not set
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NET_PCI is not set
-# CONFIG_NO_IOPORT is not set
-# CONFIG_NXP_STB220 is not set
-# CONFIG_NXP_STB225 is not set
-# CONFIG_PACKET_MMAP is not set
-# CONFIG_PARTITION_ADVANCED is not set
-CONFIG_PCI=y
-# CONFIG_PMC_MSP is not set
-# CONFIG_PMC_YOSEMITE is not set
-# CONFIG_PNX8550_JBS is not set
-# CONFIG_PNX8550_STB810 is not set
-# CONFIG_SCSI_LOWLEVEL is not set
-# CONFIG_SCSI_MULTI_LUN is not set
-# CONFIG_SERIAL_8250_EXTENDED is not set
-# CONFIG_SGI_IP22 is not set
-# CONFIG_SGI_IP27 is not set
-# CONFIG_SGI_IP28 is not set
-# CONFIG_SGI_IP32 is not set
-# CONFIG_SIBYTE_BIGSUR is not set
-# CONFIG_SIBYTE_CARMEL is not set
-# CONFIG_SIBYTE_CRHINE is not set
-# CONFIG_SIBYTE_CRHONE is not set
-# CONFIG_SIBYTE_LITTLESUR is not set
-# CONFIG_SIBYTE_RHONE is not set
-# CONFIG_SIBYTE_SENTOSA is not set
-# CONFIG_SIBYTE_SWARM is not set
-# CONFIG_SLAB is not set
-# CONFIG_TREE_PREEMPT_RCU is not set
-# CONFIG_ULI526X is not set
-# CONFIG_VGA_CONSOLE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_WATCHDOG is not set
-# CONFIG_WINBOND_840 is not set
-# CONFIG_WLAN_80211 is not set
-CONFIG_64BIT=y
-CONFIG_ARCH_HIBERNATION_POSSIBLE=y
-CONFIG_ARCH_POPULATES_NODE_MAP=y
-CONFIG_ARCH_SUPPORTS_OPROFILE=y
-CONFIG_ARCH_SUSPEND_POSSIBLE=y
-CONFIG_ATA=y
-CONFIG_BINFMT_ELF32=y
-CONFIG_BITREVERSE=y
-CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_SD=y
-CONFIG_BLOCK_COMPAT=y
-CONFIG_CEVT_GT641XX=y
-CONFIG_CEVT_R4K=y
-CONFIG_CEVT_R4K_LIB=y
-CONFIG_CFG80211_DEFAULT_PS_VALUE=0
-CONFIG_COMPAT=y
-CONFIG_COMPAT_BRK=y
-CONFIG_COMPAT_NETLINK_MESSAGES=y
-CONFIG_CONSOLE_TRANSLATIONS=y
-CONFIG_CPU_HAS_SYNC=y
-CONFIG_CPU_LITTLE_ENDIAN=y
-CONFIG_CPU_NEVADA=y
-CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
-CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y
 CONFIG_CSRC_R4K=y
 CONFIG_CSRC_R4K_LIB=y
 CONFIG_DE2104X=y
 CONFIG_DE2104X_DSL=0
+# CONFIG_DE4X5 is not set
 CONFIG_DECOMPRESS_LZMA=y
 CONFIG_DEVKMEM=y
 CONFIG_DEVPORT=y
-CONFIG_DMA_NEED_PCI_MAP_STATE=y
+# CONFIG_DM9000 is not set
+# CONFIG_DM9102 is not set
 CONFIG_DMA_NONCOHERENT=y
 CONFIG_DNOTIFY=y
 CONFIG_DUMMY_CONSOLE=y
@@ -146,6 +77,9 @@ CONFIG_ELF_CORE=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FB=y
 CONFIG_FB_COBALT=y
+# CONFIG_FB_SM7XX is not set
+# CONFIG_FB_XGI is not set
+# CONFIG_FIRMWARE_EDID is not set
 CONFIG_FIRMWARE_IN_KERNEL=y
 CONFIG_FS_POSIX_ACL=y
 CONFIG_GENERIC_ACL=y
@@ -155,19 +89,28 @@ CONFIG_GENERIC_CMOS_UPDATE=y
 CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+# CONFIG_HAMRADIO is not set
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_HAVE_IDE=y
 CONFIG_HAVE_OPROFILE=y
 CONFIG_HAVE_SYSCALL_WRAPPERS=y
 CONFIG_HID=m
 CONFIG_HID_SUPPORT=y
+# CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_HW_CONSOLE=y
 CONFIG_HW_HAS_PCI=y
+# CONFIG_HW_RANDOM is not set
 CONFIG_HZ=250
+# CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
 CONFIG_I8253=y
 CONFIG_I8259=y
@@ -177,31 +120,72 @@ CONFIG_INPUT=y
 CONFIG_INPUT_COBALT_BTNS=y
 CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_POLLDEV=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+# CONFIG_IP_MULTICAST is not set
 CONFIG_IRQ_CPU=y
 CONFIG_IRQ_GT641XX=y
+# CONFIG_JFFS2_FS is not set
 CONFIG_KEXEC=y
 CONFIG_LEDS_COBALT_QUBE=y
 CONFIG_LEDS_COBALT_RAQ=y
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
+# CONFIG_LEDS_TRIGGER_TIMER is not set
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_LOONGSON_MC146818 is not set
+CONFIG_LOONGSON_UART_BASE=y
+# CONFIG_MACH_ALCHEMY is not set
+# CONFIG_MACH_DECSTATION is not set
+# CONFIG_MACH_JAZZ is not set
+# CONFIG_MACH_LOONGSON is not set
+# CONFIG_MACH_TX39XX is not set
+# CONFIG_MACH_TX49XX is not set
+# CONFIG_MACH_VR41XX is not set
+# CONFIG_MII is not set
+# CONFIG_MIKROTIK_RB532 is not set
+CONFIG_MIPS=y
 CONFIG_MIPS32_COMPAT=y
 CONFIG_MIPS32_N32=y
 CONFIG_MIPS32_O32=y
-CONFIG_MIPS=y
 CONFIG_MIPS_COBALT=y
+CONFIG_MIPS_EXTERNAL_TIMER=y
 CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MACHINE is not set
+# CONFIG_MIPS_MALTA is not set
 CONFIG_MIPS_MT_DISABLED=y
+# CONFIG_MIPS_MT_SMP is not set
+# CONFIG_MIPS_MT_SMTC is not set
+# CONFIG_MIPS_SIM is not set
+# CONFIG_MISC_DEVICES is not set
+# CONFIG_MTD_BLOCK is not set
+# CONFIG_MTD_BLOCK_RO is not set
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
 CONFIG_MTD_JEDECPROBE=y
 CONFIG_MTD_PHYSMAP=y
+CONFIG_NEED_DMA_MAP_STATE=y
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NET_PCI is not set
 CONFIG_NET_TULIP=y
+# CONFIG_NO_IOPORT is not set
+# CONFIG_NXP_STB220 is not set
+# CONFIG_NXP_STB225 is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
+# CONFIG_PARTITION_ADVANCED is not set
 CONFIG_PATA_VIA=y
+CONFIG_PCI=y
 CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
 CONFIG_PCI_DOMAINS=y
 CONFIG_PCI_GT64XXX_PCI0=y
-CONFIG_PCI_LEGACY=y
 CONFIG_PCSPKR_PLATFORM=y
 CONFIG_PHYS_ADDR_T_64BIT=y
+# CONFIG_PMC_MSP is not set
+# CONFIG_PMC_YOSEMITE is not set
+# CONFIG_PNX8550_JBS is not set
+# CONFIG_PNX8550_STB810 is not set
+# CONFIG_POWERTV is not set
 CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_RAID_ATTRS=y
 CONFIG_RELAY=y
@@ -210,9 +194,26 @@ CONFIG_RTC_INTF_DEV_UIE_EMUL=y
 CONFIG_SATA_PMP=y
 CONFIG_SCHED_OMIT_FRAME_POINTER=y
 CONFIG_SCSI=y
+# CONFIG_SCSI_LOWLEVEL is not set
+CONFIG_SCSI_MOD=y
+# CONFIG_SCSI_MULTI_LUN is not set
 CONFIG_SECCOMP=y
+# CONFIG_SERIAL_8250_EXTENDED is not set
 CONFIG_SERIAL_8250_NR_UARTS=4
 CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+# CONFIG_SGI_IP22 is not set
+# CONFIG_SGI_IP27 is not set
+# CONFIG_SGI_IP28 is not set
+# CONFIG_SGI_IP32 is not set
+# CONFIG_SIBYTE_BIGSUR is not set
+# CONFIG_SIBYTE_CARMEL is not set
+# CONFIG_SIBYTE_CRHINE is not set
+# CONFIG_SIBYTE_CRHONE is not set
+# CONFIG_SIBYTE_LITTLESUR is not set
+# CONFIG_SIBYTE_RHONE is not set
+# CONFIG_SIBYTE_SENTOSA is not set
+# CONFIG_SIBYTE_SWARM is not set
+# CONFIG_SLAB is not set
 CONFIG_SLUB=y
 CONFIG_SYSVIPC_COMPAT=y
 CONFIG_SYS_HAS_CPU_NEVADA=y
@@ -221,6 +222,7 @@ CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
 CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y
 CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
 CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+# CONFIG_TINY_RCU is not set
 CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_TREE_RCU=y
 CONFIG_TULIP=y
@@ -228,9 +230,14 @@ CONFIG_TULIP_MMIO=y
 CONFIG_TULIP_MWI=y
 CONFIG_TULIP_NAPI=y
 CONFIG_TULIP_NAPI_HW_MITIGATION=y
+# CONFIG_ULI526X is not set
 CONFIG_USB_SUPPORT=y
+# CONFIG_VGA_CONSOLE is not set
+# CONFIG_VLAN_8021Q is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_VT=y
 CONFIG_VT_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
+# CONFIG_WATCHDOG is not set
+# CONFIG_WINBOND_840 is not set
 CONFIG_ZONE_DMA_FLAG=0
diff --git a/target/linux/cobalt/patches-2.6.35/001-no_module_reloc.patch b/target/linux/cobalt/patches-2.6.35/001-no_module_reloc.patch
new file mode 100644
index 000000000..3b1f12427
--- /dev/null
+++ b/target/linux/cobalt/patches-2.6.35/001-no_module_reloc.patch
@@ -0,0 +1,368 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -85,7 +85,7 @@ all-$(CONFIG_BOOT_ELF64)	:= $(vmlinux-64
+ cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
+ cflags-y			+= -msoft-float
+ LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
+-MODFLAGS			+= -mno-long-calls
++MODFLAGS			+= -mlong-calls
+ 
+ cflags-y += -ffreestanding
+ 
+--- a/arch/mips/include/asm/module.h
++++ b/arch/mips/include/asm/module.h
+@@ -9,11 +9,6 @@ struct mod_arch_specific {
+ 	struct list_head dbe_list;
+ 	const struct exception_table_entry *dbe_start;
+ 	const struct exception_table_entry *dbe_end;
+-
+-	void *phys_plt_tbl;
+-	void *virt_plt_tbl;
+-	unsigned int phys_plt_offset;
+-	unsigned int virt_plt_offset;
+ };
+ 
+ typedef uint8_t Elf64_Byte;		/* Type for a 8-bit quantity.  */
+--- a/arch/mips/kernel/module.c
++++ b/arch/mips/kernel/module.c
+@@ -43,117 +43,6 @@ static struct mips_hi16 *mips_hi16_list;
+ static LIST_HEAD(dbe_list);
+ static DEFINE_SPINLOCK(dbe_lock);
+ 
+-/*
+- * Get the potential max trampolines size required of the init and
+- * non-init sections. Only used if we cannot find enough contiguous
+- * physically mapped memory to put the module into.
+- */
+-static unsigned int
+-get_plt_size(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
+-             const char *secstrings, unsigned int symindex, bool is_init)
+-{
+-	unsigned long ret = 0;
+-	unsigned int i, j;
+-	Elf_Sym *syms;
+-
+-	/* Everything marked ALLOC (this includes the exported symbols) */
+-	for (i = 1; i < hdr->e_shnum; ++i) {
+-		unsigned int info = sechdrs[i].sh_info;
+-
+-		if (sechdrs[i].sh_type != SHT_REL
+-		    && sechdrs[i].sh_type != SHT_RELA)
+-			continue;
+-
+-		/* Not a valid relocation section? */
+-		if (info >= hdr->e_shnum)
+-			continue;
+-
+-		/* Don't bother with non-allocated sections */
+-		if (!(sechdrs[info].sh_flags & SHF_ALLOC))
+-			continue;
+-
+-		/* If it's called *.init*, and we're not init, we're
+-                   not interested */
+-		if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != 0)
+-		    != is_init)
+-			continue;
+-
+-		syms = (Elf_Sym *) sechdrs[symindex].sh_addr;
+-		if (sechdrs[i].sh_type == SHT_REL) {
+-			Elf_Mips_Rel *rel = (void *) sechdrs[i].sh_addr;
+-			unsigned int size = sechdrs[i].sh_size / sizeof(*rel);
+-
+-			for (j = 0; j < size; ++j) {
+-				Elf_Sym *sym;
+-
+-				if (ELF_MIPS_R_TYPE(rel[j]) != R_MIPS_26)
+-					continue;
+-
+-				sym = syms + ELF_MIPS_R_SYM(rel[j]);
+-				if (!is_init && sym->st_shndx != SHN_UNDEF)
+-					continue;
+-
+-				ret += 4 * sizeof(int);
+-			}
+-		} else {
+-			Elf_Mips_Rela *rela = (void *) sechdrs[i].sh_addr;
+-			unsigned int size = sechdrs[i].sh_size / sizeof(*rela);
+-
+-			for (j = 0; j < size; ++j) {
+-				Elf_Sym *sym;
+-
+-				if (ELF_MIPS_R_TYPE(rela[j]) != R_MIPS_26)
+-					continue;
+-
+-				sym = syms + ELF_MIPS_R_SYM(rela[j]);
+-				if (!is_init && sym->st_shndx != SHN_UNDEF)
+-					continue;
+-
+-				ret += 4 * sizeof(int);
+-			}
+-		}
+-	}
+-
+-	return ret;
+-}
+-
+-#ifndef MODULE_START
+-static void *alloc_phys(unsigned long size)
+-{
+-	unsigned order;
+-	struct page *page;
+-	struct page *p;
+-
+-	size = PAGE_ALIGN(size);
+-	order = get_order(size);
+-
+-	page = alloc_pages(GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN |
+-			__GFP_THISNODE, order);
+-	if (!page)
+-		return NULL;
+-
+-	split_page(page, order);
+-
+-	for (p = page + (size >> PAGE_SHIFT); p < page + (1 << order); ++p)
+-		__free_page(p);
+-
+-	return page_address(page);
+-}
+-#endif
+-
+-static void free_phys(void *ptr, unsigned long size)
+-{
+-	struct page *page;
+-	struct page *end;
+-
+-	page = virt_to_page(ptr);
+-	end = page + (PAGE_ALIGN(size) >> PAGE_SHIFT);
+-
+-	for (; page < end; ++page)
+-		__free_page(page);
+-}
+-
+-
+ void *module_alloc(unsigned long size)
+ {
+ #ifdef MODULE_START
+@@ -169,99 +58,21 @@ void *module_alloc(unsigned long size)
+ 
+ 	return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL);
+ #else
+-	void *ptr;
+-
+ 	if (size == 0)
+ 		return NULL;
+-
+-	ptr = alloc_phys(size);
+-
+-	/* If we failed to allocate physically contiguous memory,
+-	 * fall back to regular vmalloc. The module loader code will
+-	 * create jump tables to handle long jumps */
+-	if (!ptr)
+-		return vmalloc(size);
+-
+-	return ptr;
+-#endif
+-}
+-
+-static inline bool is_phys_addr(void *ptr)
+-{
+-#ifdef CONFIG_64BIT
+-	return (KSEGX((unsigned long)ptr) == CKSEG0);
+-#else
+-	return (KSEGX(ptr) == KSEG0);
++	return vmalloc(size);
+ #endif
+ }
+ 
+ /* Free memory returned from module_alloc */
+ void module_free(struct module *mod, void *module_region)
+ {
+-	if (is_phys_addr(module_region)) {
+-		if (mod->module_init == module_region)
+-			free_phys(module_region, mod->init_size);
+-		else if (mod->module_core == module_region)
+-			free_phys(module_region, mod->core_size);
+-		else
+-			BUG();
+-	} else {
+-		vfree(module_region);
+-	}
+-}
+-
+-static void *__module_alloc(int size, bool phys)
+-{
+-	void *ptr;
+-
+-	if (phys)
+-		ptr = kmalloc(size, GFP_KERNEL);
+-	else
+-		ptr = vmalloc(size);
+-	return ptr;
+-}
+-
+-static void __module_free(void *ptr)
+-{
+-	if (is_phys_addr(ptr))
+-		kfree(ptr);
+-	else
+-		vfree(ptr);
++	vfree(module_region);
+ }
+ 
+ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
+ 			      char *secstrings, struct module *mod)
+ {
+-	unsigned int symindex = 0;
+-	unsigned int core_size, init_size;
+-	int i;
+-
+-	for (i = 1; i < hdr->e_shnum; i++)
+-		if (sechdrs[i].sh_type == SHT_SYMTAB)
+-			symindex = i;
+-
+-	core_size = get_plt_size(hdr, sechdrs, secstrings, symindex, false);
+-	init_size = get_plt_size(hdr, sechdrs, secstrings, symindex, true);
+-
+-	mod->arch.phys_plt_offset = 0;
+-	mod->arch.virt_plt_offset = 0;
+-	mod->arch.phys_plt_tbl = NULL;
+-	mod->arch.virt_plt_tbl = NULL;
+-
+-	if ((core_size + init_size) == 0)
+-		return 0;
+-
+-	mod->arch.phys_plt_tbl = __module_alloc(core_size + init_size, 1);
+-	if (!mod->arch.phys_plt_tbl)
+-		return -ENOMEM;
+-
+-	mod->arch.virt_plt_tbl = __module_alloc(core_size + init_size, 0);
+-	if (!mod->arch.virt_plt_tbl) {
+-		__module_free(mod->arch.phys_plt_tbl);
+-		mod->arch.phys_plt_tbl = NULL;
+-		return -ENOMEM;
+-	}
+-
+ 	return 0;
+ }
+ 
+@@ -284,36 +95,28 @@ static int apply_r_mips_32_rela(struct m
+ 	return 0;
+ }
+ 
+-static Elf_Addr add_plt_entry_to(unsigned *plt_offset,
+-				 void *start, Elf_Addr v)
++static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
+ {
+-	unsigned *tramp = start + *plt_offset;
+-	*plt_offset += 4 * sizeof(int);
+-
+-	/* adjust carry for addiu */
+-	if (v & 0x00008000)
+-		v += 0x10000;
+-
+-	tramp[0] = 0x3c190000 | (v >> 16);      /* lui t9, hi16 */
+-	tramp[1] = 0x27390000 | (v & 0xffff);   /* addiu t9, t9, lo16 */
+-	tramp[2] = 0x03200008;                  /* jr t9 */
+-	tramp[3] = 0x00000000;                  /* nop */
++	if (v % 4) {
++		pr_err("module %s: dangerous R_MIPS_26 REL relocation\n",
++		       me->name);
++		return -ENOEXEC;
++	}
+ 
+-	return (Elf_Addr) tramp;
+-}
++	if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
++		printk(KERN_ERR
++		       "module %s: relocation overflow\n",
++		       me->name);
++		return -ENOEXEC;
++	}
+ 
+-static Elf_Addr add_plt_entry(struct module *me, void *location, Elf_Addr v)
+-{
+-	if (is_phys_addr(location))
+-		return add_plt_entry_to(&me->arch.phys_plt_offset,
+-				me->arch.phys_plt_tbl, v);
+-	else
+-		return add_plt_entry_to(&me->arch.virt_plt_offset,
+-				me->arch.virt_plt_tbl, v);
++	*location = (*location & ~0x03ffffff) |
++	            ((*location + (v >> 2)) & 0x03ffffff);
+ 
++	return 0;
+ }
+ 
+-static int set_r_mips_26(struct module *me, u32 *location, u32 ofs, Elf_Addr v)
++static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
+ {
+ 	if (v % 4) {
+ 		pr_err("module %s: dangerous R_MIPS_26 RELArelocation\n",
+@@ -322,31 +125,17 @@ static int set_r_mips_26(struct module *
+ 	}
+ 
+ 	if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
+-	    v = add_plt_entry(me, location, v + (ofs << 2));
+-		if (!v) {
+-			printk(KERN_ERR
++		printk(KERN_ERR
+ 		       "module %s: relocation overflow\n",
+ 		       me->name);
+-			return -ENOEXEC;
+-		}
+-		ofs = 0;
++		return -ENOEXEC;
+ 	}
+ 
+-	*location = (*location & ~0x03ffffff) | ((ofs + (v >> 2)) & 0x03ffffff);
++	*location = (*location & ~0x03ffffff) | ((v >> 2) & 0x03ffffff);
+ 
+ 	return 0;
+ }
+ 
+-static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
+-{
+-	return set_r_mips_26(me, location, *location & 0x03ffffff, v);
+-}
+-
+-static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
+-{
+-	return set_r_mips_26(me, location, 0, v);
+-}
+-
+ static int apply_r_mips_hi16_rel(struct module *me, u32 *location, Elf_Addr v)
+ {
+ 	struct mips_hi16 *n;
+@@ -611,32 +400,11 @@ int module_finalize(const Elf_Ehdr *hdr,
+ 		list_add(&me->arch.dbe_list, &dbe_list);
+ 		spin_unlock_irq(&dbe_lock);
+ 	}
+-
+-	/* Get rid of the fixup trampoline if we're running the module
+-	 * from physically mapped address space */
+-	if (me->arch.phys_plt_offset == 0) {
+-		__module_free(me->arch.phys_plt_tbl);
+-		me->arch.phys_plt_tbl = NULL;
+-	}
+-	if (me->arch.virt_plt_offset == 0) {
+-		__module_free(me->arch.virt_plt_tbl);
+-		me->arch.virt_plt_tbl = NULL;
+-	}
+-
+ 	return 0;
+ }
+ 
+ void module_arch_cleanup(struct module *mod)
+ {
+-	if (mod->arch.phys_plt_tbl) {
+-		__module_free(mod->arch.phys_plt_tbl);
+-		mod->arch.phys_plt_tbl = NULL;
+-	}
+-	if (mod->arch.virt_plt_tbl) {
+-		__module_free(mod->arch.virt_plt_tbl);
+-		mod->arch.virt_plt_tbl = NULL;
+-	}
+-
+ 	spin_lock_irq(&dbe_lock);
+ 	list_del(&mod->arch.dbe_list);
+ 	spin_unlock_irq(&dbe_lock);