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authorMax Filippov <jcmvbkbc@gmail.com>2017-12-15 21:00:30 +0100
committerMax Filippov <jcmvbkbc@gmail.com>2017-12-17 07:37:08 +0100
commitc130d3be84afb9b5a30ce4f715f88a1c1dcc4114 (patch)
treeb652eb85a8d7505423357b9b020e915c2a9e47b6
parentxtensa: enable stack protector (diff)
downloadlinux-c130d3be84afb9b5a30ce4f715f88a1c1dcc4114.tar.xz
linux-c130d3be84afb9b5a30ce4f715f88a1c1dcc4114.zip
xtensa: clean up custom-controlled debug output
Replace #ifdef'fed/commented out debug printk statements with pr_debug. Replace printk statements with pr_* equivalents. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
-rw-r--r--arch/xtensa/kernel/module.c19
-rw-r--r--arch/xtensa/kernel/pci.c30
-rw-r--r--arch/xtensa/kernel/setup.c7
-rw-r--r--arch/xtensa/kernel/signal.c8
-rw-r--r--arch/xtensa/kernel/traps.c25
-rw-r--r--arch/xtensa/lib/pci-auto.c45
-rw-r--r--arch/xtensa/mm/cache.c3
-rw-r--r--arch/xtensa/mm/fault.c22
-rw-r--r--arch/xtensa/mm/tlb.c6
-rw-r--r--arch/xtensa/platforms/iss/console.c4
-rw-r--r--arch/xtensa/platforms/iss/network.c14
11 files changed, 66 insertions, 117 deletions
diff --git a/arch/xtensa/kernel/module.c b/arch/xtensa/kernel/module.c
index b715237bae61..902845ddacb7 100644
--- a/arch/xtensa/kernel/module.c
+++ b/arch/xtensa/kernel/module.c
@@ -22,8 +22,6 @@
#include <linux/kernel.h>
#include <linux/cache.h>
-#undef DEBUG_RELOCATE
-
static int
decode_calln_opcode (unsigned char *location)
{
@@ -58,10 +56,9 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
unsigned char *location;
uint32_t value;
-#ifdef DEBUG_RELOCATE
- printk("Applying relocate section %u to %u\n", relsec,
- sechdrs[relsec].sh_info);
-#endif
+ pr_debug("Applying relocate section %u to %u\n", relsec,
+ sechdrs[relsec].sh_info);
+
for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rela); i++) {
location = (char *)sechdrs[sechdrs[relsec].sh_info].sh_addr
+ rela[i].r_offset;
@@ -87,7 +84,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
value -= ((unsigned long)location & -4) + 4;
if ((value & 3) != 0 ||
((value + (1 << 19)) >> 20) != 0) {
- printk("%s: relocation out of range, "
+ pr_err("%s: relocation out of range, "
"section %d reloc %d "
"sym '%s'\n",
mod->name, relsec, i,
@@ -111,7 +108,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
value -= (((unsigned long)location + 3) & -4);
if ((value & 3) != 0 ||
(signed int)value >> 18 != -1) {
- printk("%s: relocation out of range, "
+ pr_err("%s: relocation out of range, "
"section %d reloc %d "
"sym '%s'\n",
mod->name, relsec, i,
@@ -156,7 +153,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
case R_XTENSA_SLOT12_OP:
case R_XTENSA_SLOT13_OP:
case R_XTENSA_SLOT14_OP:
- printk("%s: unexpected FLIX relocation: %u\n",
+ pr_err("%s: unexpected FLIX relocation: %u\n",
mod->name,
ELF32_R_TYPE(rela[i].r_info));
return -ENOEXEC;
@@ -176,13 +173,13 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
case R_XTENSA_SLOT12_ALT:
case R_XTENSA_SLOT13_ALT:
case R_XTENSA_SLOT14_ALT:
- printk("%s: unexpected ALT relocation: %u\n",
+ pr_err("%s: unexpected ALT relocation: %u\n",
mod->name,
ELF32_R_TYPE(rela[i].r_info));
return -ENOEXEC;
default:
- printk("%s: unexpected relocation: %u\n",
+ pr_err("%s: unexpected relocation: %u\n",
mod->name,
ELF32_R_TYPE(rela[i].r_info));
return -ENOEXEC;
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 903963ee495d..d981f01c8d89 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -29,14 +29,6 @@
#include <asm/pci-bridge.h>
#include <asm/platform.h>
-#undef DEBUG
-
-#ifdef DEBUG
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
/* PCI Controller */
@@ -101,8 +93,8 @@ pcibios_enable_resources(struct pci_dev *dev, int mask)
for(idx=0; idx<6; idx++) {
r = &dev->resource[idx];
if (!r->start && r->end) {
- printk (KERN_ERR "PCI: Device %s not available because "
- "of resource collisions\n", pci_name(dev));
+ pr_err("PCI: Device %s not available because "
+ "of resource collisions\n", pci_name(dev));
return -EINVAL;
}
if (r->flags & IORESOURCE_IO)
@@ -113,7 +105,7 @@ pcibios_enable_resources(struct pci_dev *dev, int mask)
if (dev->resource[PCI_ROM_RESOURCE].start)
cmd |= PCI_COMMAND_MEMORY;
if (cmd != old_cmd) {
- printk("PCI: Enabling device %s (%04x -> %04x)\n",
+ pr_info("PCI: Enabling device %s (%04x -> %04x)\n",
pci_name(dev), old_cmd, cmd);
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
@@ -144,8 +136,8 @@ static void __init pci_controller_apertures(struct pci_controller *pci_ctrl,
res = &pci_ctrl->io_resource;
if (!res->flags) {
if (io_offset)
- printk (KERN_ERR "I/O resource not set for host"
- " bridge %d\n", pci_ctrl->index);
+ pr_err("I/O resource not set for host bridge %d\n",
+ pci_ctrl->index);
res->start = 0;
res->end = IO_SPACE_LIMIT;
res->flags = IORESOURCE_IO;
@@ -159,8 +151,8 @@ static void __init pci_controller_apertures(struct pci_controller *pci_ctrl,
if (!res->flags) {
if (i > 0)
continue;
- printk(KERN_ERR "Memory resource not set for "
- "host bridge %d\n", pci_ctrl->index);
+ pr_err("Memory resource not set for host bridge %d\n",
+ pci_ctrl->index);
res->start = 0;
res->end = ~0U;
res->flags = IORESOURCE_MEM;
@@ -176,7 +168,7 @@ static int __init pcibios_init(void)
struct pci_bus *bus;
int next_busno = 0, ret;
- printk("PCI: Probing PCI hardware\n");
+ pr_info("PCI: Probing PCI hardware\n");
/* Scan all of the recorded PCI controllers. */
for (pci_ctrl = pci_ctrl_head; pci_ctrl; pci_ctrl = pci_ctrl->next) {
@@ -232,7 +224,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
for (idx=0; idx<6; idx++) {
r = &dev->resource[idx];
if (!r->start && r->end) {
- printk(KERN_ERR "PCI: Device %s not available because "
+ pr_err("PCI: Device %s not available because "
"of resource collisions\n", pci_name(dev));
return -EINVAL;
}
@@ -242,8 +234,8 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
cmd |= PCI_COMMAND_MEMORY;
}
if (cmd != old_cmd) {
- printk("PCI: Enabling device %s (%04x -> %04x)\n",
- pci_name(dev), old_cmd, cmd);
+ pr_info("PCI: Enabling device %s (%04x -> %04x)\n",
+ pci_name(dev), old_cmd, cmd);
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 3732c91b7200..cf7516c52a19 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -156,7 +156,7 @@ static int __init parse_bootparam(const bp_tag_t* tag)
/* Boot parameters must start with a BP_TAG_FIRST tag. */
if (tag->id != BP_TAG_FIRST) {
- printk(KERN_WARNING "Invalid boot parameters!\n");
+ pr_warn("Invalid boot parameters!\n");
return 0;
}
@@ -165,15 +165,14 @@ static int __init parse_bootparam(const bp_tag_t* tag)
/* Parse all tags. */
while (tag != NULL && tag->id != BP_TAG_LAST) {
- for (t = &__tagtable_begin; t < &__tagtable_end; t++) {
+ for (t = &__tagtable_begin; t < &__tagtable_end; t++) {
if (tag->id == t->tag) {
t->parse(tag);
break;
}
}
if (t == &__tagtable_end)
- printk(KERN_WARNING "Ignoring tag "
- "0x%08x\n", tag->id);
+ pr_warn("Ignoring tag 0x%08x\n", tag->id);
tag = (bp_tag_t*)((unsigned long)(tag + 1) + tag->size);
}
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index d427e784ab44..f88e7a0b232c 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -28,8 +28,6 @@
#include <asm/coprocessor.h>
#include <asm/unistd.h>
-#define DEBUG_SIG 0
-
extern struct task_struct *coproc_owners[];
struct rt_sigframe
@@ -399,10 +397,8 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
regs->areg[8] = (unsigned long) &frame->uc;
regs->threadptr = tp;
-#if DEBUG_SIG
- printk("SIG rt deliver (%s:%d): signal=%d sp=%p pc=%08x\n",
- current->comm, current->pid, sig, frame, regs->pc);
-#endif
+ pr_debug("SIG rt deliver (%s:%d): signal=%d sp=%p pc=%08lx\n",
+ current->comm, current->pid, sig, frame, regs->pc);
return 0;
}
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index bae697a06a98..9a1fef9c1cc6 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -33,6 +33,7 @@
#include <linux/kallsyms.h>
#include <linux/delay.h>
#include <linux/hardirq.h>
+#include <linux/ratelimit.h>
#include <asm/stacktrace.h>
#include <asm/ptrace.h>
@@ -178,13 +179,14 @@ __die_if_kernel(const char *str, struct pt_regs *regs, long err)
void do_unhandled(struct pt_regs *regs, unsigned long exccause)
{
__die_if_kernel("Caught unhandled exception - should not happen",
- regs, SIGKILL);
+ regs, SIGKILL);
/* If in user mode, send SIGILL signal to current process */
- printk("Caught unhandled exception in '%s' "
- "(pid = %d, pc = %#010lx) - should not happen\n"
- "\tEXCCAUSE is %ld\n",
- current->comm, task_pid_nr(current), regs->pc, exccause);
+ pr_info_ratelimited("Caught unhandled exception in '%s' "
+ "(pid = %d, pc = %#010lx) - should not happen\n"
+ "\tEXCCAUSE is %ld\n",
+ current->comm, task_pid_nr(current), regs->pc,
+ exccause);
force_sig(SIGILL, current);
}
@@ -305,8 +307,8 @@ do_illegal_instruction(struct pt_regs *regs)
/* If in user mode, send SIGILL signal to current process. */
- printk("Illegal Instruction in '%s' (pid = %d, pc = %#010lx)\n",
- current->comm, task_pid_nr(current), regs->pc);
+ pr_info_ratelimited("Illegal Instruction in '%s' (pid = %d, pc = %#010lx)\n",
+ current->comm, task_pid_nr(current), regs->pc);
force_sig(SIGILL, current);
}
@@ -325,13 +327,14 @@ do_unaligned_user (struct pt_regs *regs)
siginfo_t info;
__die_if_kernel("Unhandled unaligned exception in kernel",
- regs, SIGKILL);
+ regs, SIGKILL);
current->thread.bad_vaddr = regs->excvaddr;
current->thread.error_code = -3;
- printk("Unaligned memory access to %08lx in '%s' "
- "(pid = %d, pc = %#010lx)\n",
- regs->excvaddr, current->comm, task_pid_nr(current), regs->pc);
+ pr_info_ratelimited("Unaligned memory access to %08lx in '%s' "
+ "(pid = %d, pc = %#010lx)\n",
+ regs->excvaddr, current->comm,
+ task_pid_nr(current), regs->pc);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
diff --git a/arch/xtensa/lib/pci-auto.c b/arch/xtensa/lib/pci-auto.c
index 34d05abbd921..a2b558161d6d 100644
--- a/arch/xtensa/lib/pci-auto.c
+++ b/arch/xtensa/lib/pci-auto.c
@@ -49,17 +49,6 @@
*
*/
-
-/* define DEBUG to print some debugging messages. */
-
-#undef DEBUG
-
-#ifdef DEBUG
-# define DBG(x...) printk(x)
-#else
-# define DBG(x...)
-#endif
-
static int pciauto_upper_iospc;
static int pciauto_upper_memspc;
@@ -97,7 +86,7 @@ pciauto_setup_bars(struct pci_dev *dev, int bar_limit)
{
bar_size &= PCI_BASE_ADDRESS_IO_MASK;
upper_limit = &pciauto_upper_iospc;
- DBG("PCI Autoconfig: BAR %d, I/O, ", bar_nr);
+ pr_debug("PCI Autoconfig: BAR %d, I/O, ", bar_nr);
}
else
{
@@ -107,7 +96,7 @@ pciauto_setup_bars(struct pci_dev *dev, int bar_limit)
bar_size &= PCI_BASE_ADDRESS_MEM_MASK;
upper_limit = &pciauto_upper_memspc;
- DBG("PCI Autoconfig: BAR %d, Mem, ", bar_nr);
+ pr_debug("PCI Autoconfig: BAR %d, Mem, ", bar_nr);
}
/* Allocate a base address (bar_size is negative!) */
@@ -125,7 +114,8 @@ pciauto_setup_bars(struct pci_dev *dev, int bar_limit)
if (found_mem64)
pci_write_config_dword(dev, (bar+=4), 0x00000000);
- DBG("size=0x%x, address=0x%x\n", ~bar_size + 1, *upper_limit);
+ pr_debug("size=0x%x, address=0x%x\n",
+ ~bar_size + 1, *upper_limit);
}
}
@@ -150,7 +140,7 @@ pciauto_setup_irq(struct pci_controller* pci_ctrl,struct pci_dev *dev,int devfn)
if (irq == -1)
irq = 0;
- DBG("PCI Autoconfig: Interrupt %d, pin %d\n", irq, pin);
+ pr_debug("PCI Autoconfig: Interrupt %d, pin %d\n", irq, pin);
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
@@ -289,8 +279,8 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
int iosave, memsave;
- DBG("PCI Autoconfig: Found P2P bridge, device %d\n",
- PCI_SLOT(pci_devfn));
+ pr_debug("PCI Autoconfig: Found P2P bridge, device %d\n",
+ PCI_SLOT(pci_devfn));
/* Allocate PCI I/O and/or memory space */
pciauto_setup_bars(dev, PCI_BASE_ADDRESS_1);
@@ -306,23 +296,6 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
}
-
-#if 0
- /* Skip legacy mode IDE controller */
-
- if ((pci_class >> 16) == PCI_CLASS_STORAGE_IDE) {
-
- unsigned char prg_iface;
- pci_read_config_byte(dev, PCI_CLASS_PROG, &prg_iface);
-
- if (!(prg_iface & PCIAUTO_IDE_MODE_MASK)) {
- DBG("PCI Autoconfig: Skipping legacy mode "
- "IDE controller\n");
- continue;
- }
- }
-#endif
-
/*
* Found a peripheral, enable some standard
* settings
@@ -337,8 +310,8 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x80);
/* Allocate PCI I/O and/or memory space */
- DBG("PCI Autoconfig: Found Bus %d, Device %d, Function %d\n",
- current_bus, PCI_SLOT(pci_devfn), PCI_FUNC(pci_devfn) );
+ pr_debug("PCI Autoconfig: Found Bus %d, Device %d, Function %d\n",
+ current_bus, PCI_SLOT(pci_devfn), PCI_FUNC(pci_devfn));
pciauto_setup_bars(dev, PCI_BASE_ADDRESS_5);
pciauto_setup_irq(pci_ctrl, dev, pci_devfn);
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index 3c75c4e597da..57dc231a0709 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -33,9 +33,6 @@
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
-//#define printd(x...) printk(x)
-#define printd(x...) do { } while(0)
-
/*
* Note:
* The kernel provides one architecture bit PG_arch_1 in the page flags that
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index a14df5aa98c8..8b9b6f44bb06 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -25,8 +25,6 @@
DEFINE_PER_CPU(unsigned long, asid_cache) = ASID_USER_FIRST;
void bad_page_fault(struct pt_regs*, unsigned long, int);
-#undef DEBUG_PAGE_FAULT
-
/*
* This routine handles page faults. It determines the address,
* and the problem, and then passes it off to one of the appropriate
@@ -68,10 +66,10 @@ void do_page_fault(struct pt_regs *regs)
exccause == EXCCAUSE_ITLB_MISS ||
exccause == EXCCAUSE_FETCH_CACHE_ATTRIBUTE) ? 1 : 0;
-#ifdef DEBUG_PAGE_FAULT
- printk("[%s:%d:%08x:%d:%08x:%s%s]\n", current->comm, current->pid,
- address, exccause, regs->pc, is_write? "w":"", is_exec? "x":"");
-#endif
+ pr_debug("[%s:%d:%08x:%d:%08lx:%s%s]\n",
+ current->comm, current->pid,
+ address, exccause, regs->pc,
+ is_write ? "w" : "", is_exec ? "x" : "");
if (user_mode(regs))
flags |= FAULT_FLAG_USER;
@@ -247,10 +245,8 @@ bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
/* Are we prepared to handle this kernel fault? */
if ((entry = search_exception_tables(regs->pc)) != NULL) {
-#ifdef DEBUG_PAGE_FAULT
- printk(KERN_DEBUG "%s: Exception at pc=%#010lx (%lx)\n",
- current->comm, regs->pc, entry->fixup);
-#endif
+ pr_debug("%s: Exception at pc=%#010lx (%lx)\n",
+ current->comm, regs->pc, entry->fixup);
current->thread.bad_uaddr = address;
regs->pc = entry->fixup;
return;
@@ -259,9 +255,9 @@ bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
/* Oops. The kernel tried to access some bad page. We'll have to
* terminate things with extreme prejudice.
*/
- printk(KERN_ALERT "Unable to handle kernel paging request at virtual "
- "address %08lx\n pc = %08lx, ra = %08lx\n",
- address, regs->pc, regs->areg[0]);
+ pr_alert("Unable to handle kernel paging request at virtual "
+ "address %08lx\n pc = %08lx, ra = %08lx\n",
+ address, regs->pc, regs->areg[0]);
die("Oops", regs, sig);
do_exit(sig);
}
diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c
index 35c822286bbe..59153d0aa890 100644
--- a/arch/xtensa/mm/tlb.c
+++ b/arch/xtensa/mm/tlb.c
@@ -95,10 +95,8 @@ void local_flush_tlb_range(struct vm_area_struct *vma,
if (mm->context.asid[cpu] == NO_CONTEXT)
return;
-#if 0
- printk("[tlbrange<%02lx,%08lx,%08lx>]\n",
- (unsigned long)mm->context.asid[cpu], start, end);
-#endif
+ pr_debug("[tlbrange<%02lx,%08lx,%08lx>]\n",
+ (unsigned long)mm->context.asid[cpu], start, end);
local_irq_save(flags);
if (end-start + (PAGE_SIZE-1) <= _TLB_ENTRIES << PAGE_SHIFT) {
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 0140a22551c8..6fc0a946ad64 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -186,7 +186,7 @@ int __init rs_init(void)
serial_driver = alloc_tty_driver(SERIAL_MAX_NUM_LINES);
- printk ("%s %s\n", serial_name, serial_version);
+ pr_info("%s %s\n", serial_name, serial_version);
/* Initialize the tty_driver structure */
@@ -215,7 +215,7 @@ static __exit void rs_exit(void)
int error;
if ((error = tty_unregister_driver(serial_driver)))
- printk("ISS_SERIAL: failed to unregister serial driver (%d)\n",
+ pr_err("ISS_SERIAL: failed to unregister serial driver (%d)\n",
error);
put_tty_driver(serial_driver);
tty_port_destroy(&serial_port);
diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
index 66a5d15a9e0e..538d17e8fbc1 100644
--- a/arch/xtensa/platforms/iss/network.c
+++ b/arch/xtensa/platforms/iss/network.c
@@ -16,6 +16,8 @@
*
*/
+#define pr_fmt(fmt) "%s: " fmt, __func__
+
#include <linux/list.h>
#include <linux/irq.h>
#include <linux/spinlock.h>
@@ -609,8 +611,6 @@ struct iss_net_init {
* those fields. They will be later initialized in iss_net_init.
*/
-#define ERR KERN_ERR "iss_net_setup: "
-
static int __init iss_net_setup(char *str)
{
struct iss_net_private *device = NULL;
@@ -622,14 +622,14 @@ static int __init iss_net_setup(char *str)
end = strchr(str, '=');
if (!end) {
- printk(ERR "Expected '=' after device number\n");
+ pr_err("Expected '=' after device number\n");
return 1;
}
*end = 0;
rc = kstrtouint(str, 0, &n);
*end = '=';
if (rc < 0) {
- printk(ERR "Failed to parse '%s'\n", str);
+ pr_err("Failed to parse '%s'\n", str);
return 1;
}
str = end;
@@ -645,13 +645,13 @@ static int __init iss_net_setup(char *str)
spin_unlock(&devices_lock);
if (device && device->index == n) {
- printk(ERR "Device %u already configured\n", n);
+ pr_err("Device %u already configured\n", n);
return 1;
}
new = alloc_bootmem(sizeof(*new));
if (new == NULL) {
- printk(ERR "Alloc_bootmem failed\n");
+ pr_err("Alloc_bootmem failed\n");
return 1;
}
@@ -663,8 +663,6 @@ static int __init iss_net_setup(char *str)
return 1;
}
-#undef ERR
-
__setup("eth", iss_net_setup);
/*