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add missing kernel configuration and patches for 2.6.32 

SVN-Revision: 19788
lede-17.01
Florian Fainelli 2010-02-21 12:47:43 +00:00
parent 07c499f101
commit 87b2e6c25b
2 changed files with 608 additions and 0 deletions
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237
target/linux/cobalt/config-2.6.32 Normal file
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@ -0,0 +1,237 @@
# CONFIG_32BIT is not set
# 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_SUPPORTS_MSI is not set
# CONFIG_ARPD is not set
# CONFIG_BCM47XX is not set
# CONFIG_BCM63XX is not set
# CONFIG_BLK_DEV_INITRD is not set
# 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_CPU_BIG_ENDIAN is not set
# CONFIG_CPU_CAVIUM_OCTEON is not set
# CONFIG_CPU_LOONGSON2E 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_R10000 is not set
# CONFIG_CPU_R3000 is not set
# CONFIG_CPU_R4300 is not set
# CONFIG_CPU_R4X00 is not set
# CONFIG_CPU_R5000 is not set
# CONFIG_CPU_R5432 is not set
# CONFIG_CPU_R5500 is not set
# CONFIG_CPU_R6000 is not set
# CONFIG_CPU_R8000 is not set
# CONFIG_CPU_RM7000 is not set
# CONFIG_CPU_RM9000 is not set
# CONFIG_CPU_SB1 is not set
# CONFIG_CPU_TX39XX is not set
# CONFIG_CPU_TX49XX is not set
# CONFIG_CPU_VR41XX is not set
# CONFIG_DE4X5 is not set
# CONFIG_DEBUG_FS 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_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_CRC16=y
CONFIG_CSRC_R4K=y
CONFIG_CSRC_R4K_LIB=y
CONFIG_DE2104X=y
CONFIG_DE2104X_DSL=0
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DEVKMEM=y
CONFIG_DEVPORT=y
CONFIG_DMA_NEED_PCI_MAP_STATE=y
CONFIG_DMA_NONCOHERENT=y
CONFIG_DNOTIFY=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_EARLY_PRINTK=y
CONFIG_ELF_CORE=y
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_FB=y
CONFIG_FB_COBALT=y
CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_FS_POSIX_ACL=y
CONFIG_GENERIC_ACL=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
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_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAVE_ARCH_KGDB=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_HW_CONSOLE=y
CONFIG_HW_HAS_PCI=y
CONFIG_HZ=250
CONFIG_HZ_250=y
CONFIG_I8253=y
CONFIG_I8259=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
CONFIG_INPUT=y
CONFIG_INPUT_COBALT_BTNS=y
CONFIG_INPUT_EVDEV=y
CONFIG_INPUT_POLLDEV=y
CONFIG_IRQ_CPU=y
CONFIG_IRQ_GT641XX=y
CONFIG_KEXEC=y
CONFIG_LEDS_COBALT_QUBE=y
CONFIG_LEDS_COBALT_RAQ=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
CONFIG_MIPS32_COMPAT=y
CONFIG_MIPS32_N32=y
CONFIG_MIPS32_O32=y
CONFIG_MIPS=y
CONFIG_MIPS_COBALT=y
CONFIG_MIPS_L1_CACHE_SHIFT=5
CONFIG_MIPS_MT_DISABLED=y
CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_PHYSMAP=y
CONFIG_NET_TULIP=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PATA_VIA=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_PROC_PAGE_MONITOR=y
CONFIG_RAID_ATTRS=y
CONFIG_RELAY=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_INTF_DEV_UIE_EMUL=y
CONFIG_SATA_PMP=y
CONFIG_SCHED_OMIT_FRAME_POINTER=y
CONFIG_SCSI=y
CONFIG_SECCOMP=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SLUB=y
CONFIG_SYSVIPC_COMPAT=y
CONFIG_SYS_HAS_CPU_NEVADA=y
CONFIG_SYS_HAS_EARLY_PRINTK=y
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_TMPFS_POSIX_ACL=y
CONFIG_TREE_RCU=y
CONFIG_TULIP=y
CONFIG_TULIP_MMIO=y
CONFIG_TULIP_MWI=y
CONFIG_TULIP_NAPI=y
CONFIG_TULIP_NAPI_HW_MITIGATION=y
CONFIG_USB_SUPPORT=y
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_ZONE_DMA_FLAG=0

371
target/linux/cobalt/patches-2.6.32/001-no_module_reloc.patch Normal file
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@ -0,0 +1,371 @@
diff -urN linux-2.6.32.7/arch/mips/Makefile linux-2.6.32.7.new/arch/mips/Makefile
--- linux-2.6.32.7/arch/mips/Makefile 2010-02-01 18:06:35.000000000 +0100
+++ linux-2.6.32.7.new/arch/mips/Makefile 2010-01-29 00:06:20.000000000 +0100
@@ -83,7 +83,7 @@
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
diff -urN linux-2.6.32.7/arch/mips/include/asm/module.h linux-2.6.32.7.new/arch/mips/include/asm/module.h
--- linux-2.6.32.7/arch/mips/include/asm/module.h 2010-02-01 18:06:35.000000000 +0100
+++ linux-2.6.32.7.new/arch/mips/include/asm/module.h 2010-01-29 00:06:20.000000000 +0100
@@ -9,11 +9,6 @@
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. */
diff -urN linux-2.6.32.7/arch/mips/kernel/module.c linux-2.6.32.7.new/arch/mips/kernel/module.c
--- linux-2.6.32.7/arch/mips/kernel/module.c 2010-02-01 18:06:35.000000000 +0100
+++ linux-2.6.32.7.new/arch/mips/kernel/module.c 2010-01-29 00:06:20.000000000 +0100
@@ -43,117 +43,6 @@
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 @@
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 @@
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 @@
}
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 @@
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);