Re: [PATCH 1/3] Improve type handling in interrupt handlers
On Saturday 19 January 2008 07:41:41 Jeff Garzik wrote: > FWIW, I have been working in this area extensively. Excellent... > Check out the 'irq-cleanups' and 'irq-remove' branches of > git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git Your irq-cleanups branch is nice work! But AFAICT these patches are not included in your irq-cleanups branch. Did you want me to switch my patch over to irqreturn_t and send them for you to roll in? Cheers, Rusty. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/3] Improve type handling in interrupt handlers
Rusty Russell wrote: On Saturday 19 January 2008 07:41:41 Jeff Garzik wrote: You should be using irq_handler_t for all these. Well, these are your drivers, but for mine I dislike the obfuscation. It's not like you can declare the function itself to be an irq_handler_t, so it's a strange turd to drop in a driver. The others need to be irq_handler_t because that's the precise type that's being used in each particularly situation. Each time the code re-creates that definition creates a problem for future irq handler changes of any type, really. As I noted, I've fixed all this crap already, and read through each one of those drivers. Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/3] Improve type handling in interrupt handlers
On Saturday 19 January 2008 07:41:41 Jeff Garzik wrote: > You should be using irq_handler_t for all these. Well, these are your drivers, but for mine I dislike the obfuscation. It's not like you can declare the function itself to be an irq_handler_t, so it's a strange turd to drop in a driver. > (Coincedentally, doing so makes it easier for me to later on remove the > almost-never-used 'irq' argument from all irq handlers) Slightly, but the compiler would tell you if you miss one, so I don't think this is real. Cheers, Rusty. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/3] Improve type handling in interrupt handlers
Rusty Russell wrote:
This improves typechecking of interrupt handlers by removing
unnecessary (void *) casts and storing handlers in correctly-typed
variables.
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
Cc: Jeff Garzik <[EMAIL PROTECTED]>
Cc: Ash Willis <[EMAIL PROTECTED]>
Cc: [EMAIL PROTECTED]
FWIW, I have been working in this area extensively.
Check out the 'irq-cleanups' and 'irq-remove' branches of
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git
(irq-remove is built on top of irq-cleanups)
diff -r 0fe1a980708b drivers/net/eth16i.c
--- a/drivers/net/eth16i.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/eth16i.c Thu Jan 17 15:42:00 2008 +1100
@@ -529,7 +529,7 @@ static int __init eth16i_probe1(struct n
/* Try to obtain interrupt vector */
- if ((retval = request_irq(dev->irq, (void *)_interrupt, 0, cardname, dev))) {
+ if ((retval = request_irq(dev->irq, eth16i_interrupt, 0, cardname,
dev))) {
printk(KERN_WARNING "%s at %#3x, but is unusable due to conflicting
IRQ %d.\n",
cardname, ioaddr, dev->irq);
goto out;
diff -r 0fe1a980708b drivers/net/ewrk3.c
--- a/drivers/net/ewrk3.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/ewrk3.c Thu Jan 17 15:42:00 2008 +1100
@@ -635,7 +635,7 @@ static int ewrk3_open(struct net_device
STOP_EWRK3;
if (!lp->hard_strapped) {
- if (request_irq(dev->irq, (void *) ewrk3_interrupt, 0, "ewrk3",
dev)) {
+ if (request_irq(dev->irq, ewrk3_interrupt, 0, "ewrk3", dev)) {
printk("ewrk3_open(): Requested IRQ%d is busy\n",
dev->irq);
status = -EAGAIN;
} else {
diff -r 0fe1a980708b drivers/net/skfp/skfddi.c
--- a/drivers/net/skfp/skfddi.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/skfp/skfddi.c Thu Jan 17 15:42:00 2008 +1100
@@ -495,7 +495,7 @@ static int skfp_open(struct net_device *
PRINTK(KERN_INFO "entering skfp_open\n");
/* Register IRQ - support shared interrupts by passing device ptr */
- err = request_irq(dev->irq, (void *) skfp_interrupt, IRQF_SHARED,
+ err = request_irq(dev->irq, skfp_interrupt, IRQF_SHARED,
dev->name, dev);
if (err)
return err;
ACK all of the above
diff -r 0fe1a980708b include/pcmcia/cs.h
--- a/include/pcmcia/cs.h Thu Jan 17 14:48:56 2008 +1100
+++ b/include/pcmcia/cs.h Thu Jan 17 15:42:01 2008 +1100
@@ -170,7 +170,7 @@ typedef struct irq_req_t {
u_int Attributes;
u_int AssignedIRQ;
u_int IRQInfo1, IRQInfo2; /* IRQInfo2 is ignored */
-void *Handler;
+int(*Handler)(int, void *);
void *Instance;
} irq_req_t;
diff -r 0fe1a980708b sound/pci/als300.c
--- a/sound/pci/als300.cThu Jan 17 14:48:56 2008 +1100
+++ b/sound/pci/als300.cThu Jan 17 15:42:01 2008 +1100
@@ -678,7 +678,7 @@ static int __devinit snd_als300_create(s
struct snd_als300 **rchip)
{
struct snd_als300 *chip;
- void *irq_handler;
+ int (*irq_handler)(int, void *);
int err;
static struct snd_device_ops ops = {
diff -r 0fe1a980708b drivers/net/e1000e/netdev.c
--- a/drivers/net/e1000e/netdev.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/e1000e/netdev.c Thu Jan 17 15:42:00 2008 +1100
@@ -935,7 +935,7 @@ static int e1000_request_irq(struct e100
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- void (*handler) = _intr;
+ int (*handler)(int, void *) = _intr;
int irq_flags = IRQF_SHARED;
int err;
diff -r 0fe1a980708b drivers/net/e1000/e1000_main.c
--- a/drivers/net/e1000/e1000_main.cThu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/e1000/e1000_main.cThu Jan 17 15:42:00 2008 +1100
@@ -299,7 +299,7 @@ static int e1000_request_irq(struct e100
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- void (*handler) = _intr;
+ irqreturn_t (*handler)(int, void *) = _intr;
int irq_flags = IRQF_SHARED;
int err;
NAK the rest.
You should be using irq_handler_t for all these.
(Coincedentally, doing so makes it easier for me to later on remove the
almost-never-used 'irq' argument from all irq handlers)
Jeff
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[PATCH 1/3] Improve type handling in interrupt handlers
This improves typechecking of interrupt handlers by removing
unnecessary (void *) casts and storing handlers in correctly-typed
variables.
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
Cc: Jeff Garzik <[EMAIL PROTECTED]>
Cc: Ash Willis <[EMAIL PROTECTED]>
Cc: [EMAIL PROTECTED]
---
drivers/net/e1000/e1000_main.c |2 +-
drivers/net/e1000e/netdev.c|2 +-
drivers/net/eth16i.c |2 +-
drivers/net/ewrk3.c|2 +-
drivers/net/skfp/skfddi.c |2 +-
include/pcmcia/cs.h|2 +-
sound/pci/als300.c |2 +-
7 files changed, 7 insertions(+), 7 deletions(-)
diff -r 0fe1a980708b drivers/net/eth16i.c
--- a/drivers/net/eth16i.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/eth16i.c Thu Jan 17 15:42:00 2008 +1100
@@ -529,7 +529,7 @@ static int __init eth16i_probe1(struct n
/* Try to obtain interrupt vector */
- if ((retval = request_irq(dev->irq, (void *)_interrupt, 0,
cardname, dev))) {
+ if ((retval = request_irq(dev->irq, eth16i_interrupt, 0, cardname,
dev))) {
printk(KERN_WARNING "%s at %#3x, but is unusable due to
conflicting IRQ %d.\n",
cardname, ioaddr, dev->irq);
goto out;
diff -r 0fe1a980708b drivers/net/ewrk3.c
--- a/drivers/net/ewrk3.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/ewrk3.c Thu Jan 17 15:42:00 2008 +1100
@@ -635,7 +635,7 @@ static int ewrk3_open(struct net_device
STOP_EWRK3;
if (!lp->hard_strapped) {
- if (request_irq(dev->irq, (void *) ewrk3_interrupt, 0, "ewrk3",
dev)) {
+ if (request_irq(dev->irq, ewrk3_interrupt, 0, "ewrk3", dev)) {
printk("ewrk3_open(): Requested IRQ%d is busy\n",
dev->irq);
status = -EAGAIN;
} else {
diff -r 0fe1a980708b drivers/net/skfp/skfddi.c
--- a/drivers/net/skfp/skfddi.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/skfp/skfddi.c Thu Jan 17 15:42:00 2008 +1100
@@ -495,7 +495,7 @@ static int skfp_open(struct net_device *
PRINTK(KERN_INFO "entering skfp_open\n");
/* Register IRQ - support shared interrupts by passing device ptr */
- err = request_irq(dev->irq, (void *) skfp_interrupt, IRQF_SHARED,
+ err = request_irq(dev->irq, skfp_interrupt, IRQF_SHARED,
dev->name, dev);
if (err)
return err;
diff -r 0fe1a980708b include/pcmcia/cs.h
--- a/include/pcmcia/cs.h Thu Jan 17 14:48:56 2008 +1100
+++ b/include/pcmcia/cs.h Thu Jan 17 15:42:01 2008 +1100
@@ -170,7 +170,7 @@ typedef struct irq_req_t {
u_int Attributes;
u_int AssignedIRQ;
u_int IRQInfo1, IRQInfo2; /* IRQInfo2 is ignored */
-void *Handler;
+int(*Handler)(int, void *);
void *Instance;
} irq_req_t;
diff -r 0fe1a980708b sound/pci/als300.c
--- a/sound/pci/als300.cThu Jan 17 14:48:56 2008 +1100
+++ b/sound/pci/als300.cThu Jan 17 15:42:01 2008 +1100
@@ -678,7 +678,7 @@ static int __devinit snd_als300_create(s
struct snd_als300 **rchip)
{
struct snd_als300 *chip;
- void *irq_handler;
+ int (*irq_handler)(int, void *);
int err;
static struct snd_device_ops ops = {
diff -r 0fe1a980708b drivers/net/e1000e/netdev.c
--- a/drivers/net/e1000e/netdev.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/e1000e/netdev.c Thu Jan 17 15:42:00 2008 +1100
@@ -935,7 +935,7 @@ static int e1000_request_irq(struct e100
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- void (*handler) = _intr;
+ int (*handler)(int, void *) = _intr;
int irq_flags = IRQF_SHARED;
int err;
diff -r 0fe1a980708b drivers/net/e1000/e1000_main.c
--- a/drivers/net/e1000/e1000_main.cThu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/e1000/e1000_main.cThu Jan 17 15:42:00 2008 +1100
@@ -299,7 +299,7 @@ static int e1000_request_irq(struct e100
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- void (*handler) = _intr;
+ irqreturn_t (*handler)(int, void *) = _intr;
int irq_flags = IRQF_SHARED;
int err;
--
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Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/3] Improve type handling in interrupt handlers
On Saturday 19 January 2008 07:41:41 Jeff Garzik wrote: FWIW, I have been working in this area extensively. Excellent... Check out the 'irq-cleanups' and 'irq-remove' branches of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git Your irq-cleanups branch is nice work! But AFAICT these patches are not included in your irq-cleanups branch. Did you want me to switch my patch over to irqreturn_t and send them for you to roll in? Cheers, Rusty. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 1/3] Improve type handling in interrupt handlers
This improves typechecking of interrupt handlers by removing
unnecessary (void *) casts and storing handlers in correctly-typed
variables.
Signed-off-by: Rusty Russell [EMAIL PROTECTED]
Cc: Jeff Garzik [EMAIL PROTECTED]
Cc: Ash Willis [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
---
drivers/net/e1000/e1000_main.c |2 +-
drivers/net/e1000e/netdev.c|2 +-
drivers/net/eth16i.c |2 +-
drivers/net/ewrk3.c|2 +-
drivers/net/skfp/skfddi.c |2 +-
include/pcmcia/cs.h|2 +-
sound/pci/als300.c |2 +-
7 files changed, 7 insertions(+), 7 deletions(-)
diff -r 0fe1a980708b drivers/net/eth16i.c
--- a/drivers/net/eth16i.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/eth16i.c Thu Jan 17 15:42:00 2008 +1100
@@ -529,7 +529,7 @@ static int __init eth16i_probe1(struct n
/* Try to obtain interrupt vector */
- if ((retval = request_irq(dev-irq, (void *)eth16i_interrupt, 0,
cardname, dev))) {
+ if ((retval = request_irq(dev-irq, eth16i_interrupt, 0, cardname,
dev))) {
printk(KERN_WARNING %s at %#3x, but is unusable due to
conflicting IRQ %d.\n,
cardname, ioaddr, dev-irq);
goto out;
diff -r 0fe1a980708b drivers/net/ewrk3.c
--- a/drivers/net/ewrk3.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/ewrk3.c Thu Jan 17 15:42:00 2008 +1100
@@ -635,7 +635,7 @@ static int ewrk3_open(struct net_device
STOP_EWRK3;
if (!lp-hard_strapped) {
- if (request_irq(dev-irq, (void *) ewrk3_interrupt, 0, ewrk3,
dev)) {
+ if (request_irq(dev-irq, ewrk3_interrupt, 0, ewrk3, dev)) {
printk(ewrk3_open(): Requested IRQ%d is busy\n,
dev-irq);
status = -EAGAIN;
} else {
diff -r 0fe1a980708b drivers/net/skfp/skfddi.c
--- a/drivers/net/skfp/skfddi.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/skfp/skfddi.c Thu Jan 17 15:42:00 2008 +1100
@@ -495,7 +495,7 @@ static int skfp_open(struct net_device *
PRINTK(KERN_INFO entering skfp_open\n);
/* Register IRQ - support shared interrupts by passing device ptr */
- err = request_irq(dev-irq, (void *) skfp_interrupt, IRQF_SHARED,
+ err = request_irq(dev-irq, skfp_interrupt, IRQF_SHARED,
dev-name, dev);
if (err)
return err;
diff -r 0fe1a980708b include/pcmcia/cs.h
--- a/include/pcmcia/cs.h Thu Jan 17 14:48:56 2008 +1100
+++ b/include/pcmcia/cs.h Thu Jan 17 15:42:01 2008 +1100
@@ -170,7 +170,7 @@ typedef struct irq_req_t {
u_int Attributes;
u_int AssignedIRQ;
u_int IRQInfo1, IRQInfo2; /* IRQInfo2 is ignored */
-void *Handler;
+int(*Handler)(int, void *);
void *Instance;
} irq_req_t;
diff -r 0fe1a980708b sound/pci/als300.c
--- a/sound/pci/als300.cThu Jan 17 14:48:56 2008 +1100
+++ b/sound/pci/als300.cThu Jan 17 15:42:01 2008 +1100
@@ -678,7 +678,7 @@ static int __devinit snd_als300_create(s
struct snd_als300 **rchip)
{
struct snd_als300 *chip;
- void *irq_handler;
+ int (*irq_handler)(int, void *);
int err;
static struct snd_device_ops ops = {
diff -r 0fe1a980708b drivers/net/e1000e/netdev.c
--- a/drivers/net/e1000e/netdev.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/e1000e/netdev.c Thu Jan 17 15:42:00 2008 +1100
@@ -935,7 +935,7 @@ static int e1000_request_irq(struct e100
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter-netdev;
- void (*handler) = e1000_intr;
+ int (*handler)(int, void *) = e1000_intr;
int irq_flags = IRQF_SHARED;
int err;
diff -r 0fe1a980708b drivers/net/e1000/e1000_main.c
--- a/drivers/net/e1000/e1000_main.cThu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/e1000/e1000_main.cThu Jan 17 15:42:00 2008 +1100
@@ -299,7 +299,7 @@ static int e1000_request_irq(struct e100
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter-netdev;
- void (*handler) = e1000_intr;
+ irqreturn_t (*handler)(int, void *) = e1000_intr;
int irq_flags = IRQF_SHARED;
int err;
--
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Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/3] Improve type handling in interrupt handlers
Rusty Russell wrote:
This improves typechecking of interrupt handlers by removing
unnecessary (void *) casts and storing handlers in correctly-typed
variables.
Signed-off-by: Rusty Russell [EMAIL PROTECTED]
Cc: Jeff Garzik [EMAIL PROTECTED]
Cc: Ash Willis [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
FWIW, I have been working in this area extensively.
Check out the 'irq-cleanups' and 'irq-remove' branches of
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git
(irq-remove is built on top of irq-cleanups)
diff -r 0fe1a980708b drivers/net/eth16i.c
--- a/drivers/net/eth16i.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/eth16i.c Thu Jan 17 15:42:00 2008 +1100
@@ -529,7 +529,7 @@ static int __init eth16i_probe1(struct n
/* Try to obtain interrupt vector */
- if ((retval = request_irq(dev-irq, (void *)eth16i_interrupt, 0, cardname, dev))) {
+ if ((retval = request_irq(dev-irq, eth16i_interrupt, 0, cardname,
dev))) {
printk(KERN_WARNING %s at %#3x, but is unusable due to conflicting
IRQ %d.\n,
cardname, ioaddr, dev-irq);
goto out;
diff -r 0fe1a980708b drivers/net/ewrk3.c
--- a/drivers/net/ewrk3.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/ewrk3.c Thu Jan 17 15:42:00 2008 +1100
@@ -635,7 +635,7 @@ static int ewrk3_open(struct net_device
STOP_EWRK3;
if (!lp-hard_strapped) {
- if (request_irq(dev-irq, (void *) ewrk3_interrupt, 0, ewrk3,
dev)) {
+ if (request_irq(dev-irq, ewrk3_interrupt, 0, ewrk3, dev)) {
printk(ewrk3_open(): Requested IRQ%d is busy\n,
dev-irq);
status = -EAGAIN;
} else {
diff -r 0fe1a980708b drivers/net/skfp/skfddi.c
--- a/drivers/net/skfp/skfddi.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/skfp/skfddi.c Thu Jan 17 15:42:00 2008 +1100
@@ -495,7 +495,7 @@ static int skfp_open(struct net_device *
PRINTK(KERN_INFO entering skfp_open\n);
/* Register IRQ - support shared interrupts by passing device ptr */
- err = request_irq(dev-irq, (void *) skfp_interrupt, IRQF_SHARED,
+ err = request_irq(dev-irq, skfp_interrupt, IRQF_SHARED,
dev-name, dev);
if (err)
return err;
ACK all of the above
diff -r 0fe1a980708b include/pcmcia/cs.h
--- a/include/pcmcia/cs.h Thu Jan 17 14:48:56 2008 +1100
+++ b/include/pcmcia/cs.h Thu Jan 17 15:42:01 2008 +1100
@@ -170,7 +170,7 @@ typedef struct irq_req_t {
u_int Attributes;
u_int AssignedIRQ;
u_int IRQInfo1, IRQInfo2; /* IRQInfo2 is ignored */
-void *Handler;
+int(*Handler)(int, void *);
void *Instance;
} irq_req_t;
diff -r 0fe1a980708b sound/pci/als300.c
--- a/sound/pci/als300.cThu Jan 17 14:48:56 2008 +1100
+++ b/sound/pci/als300.cThu Jan 17 15:42:01 2008 +1100
@@ -678,7 +678,7 @@ static int __devinit snd_als300_create(s
struct snd_als300 **rchip)
{
struct snd_als300 *chip;
- void *irq_handler;
+ int (*irq_handler)(int, void *);
int err;
static struct snd_device_ops ops = {
diff -r 0fe1a980708b drivers/net/e1000e/netdev.c
--- a/drivers/net/e1000e/netdev.c Thu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/e1000e/netdev.c Thu Jan 17 15:42:00 2008 +1100
@@ -935,7 +935,7 @@ static int e1000_request_irq(struct e100
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter-netdev;
- void (*handler) = e1000_intr;
+ int (*handler)(int, void *) = e1000_intr;
int irq_flags = IRQF_SHARED;
int err;
diff -r 0fe1a980708b drivers/net/e1000/e1000_main.c
--- a/drivers/net/e1000/e1000_main.cThu Jan 17 14:48:56 2008 +1100
+++ b/drivers/net/e1000/e1000_main.cThu Jan 17 15:42:00 2008 +1100
@@ -299,7 +299,7 @@ static int e1000_request_irq(struct e100
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter-netdev;
- void (*handler) = e1000_intr;
+ irqreturn_t (*handler)(int, void *) = e1000_intr;
int irq_flags = IRQF_SHARED;
int err;
NAK the rest.
You should be using irq_handler_t for all these.
(Coincedentally, doing so makes it easier for me to later on remove the
almost-never-used 'irq' argument from all irq handlers)
Jeff
--
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the body of a message to [EMAIL PROTECTED]
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