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Date: Wed, 04 Aug 2010 00:59:06 -0700
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: linux-input@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
David Airlie <airlied@...ux.ie>,
David Miller <davem@...emloft.net>,
Fenghua Yu <fenghua.yu@...el.com>,
Greg Kroah-Hartman <gregkh@...e.de>,
Jason Wessel <jason.wessel@...driver.com>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Russell King <linux@....linux.org.uk>,
Tony Luck <tony.luck@...el.com>
Subject: [PATCH 2/3] Input: sysrq - drop tty argument form handle_sysrq()
Sysrq operations do not accept tty argument anymore so no need to pass
it to us.
Signed-off-by: Dmitry Torokhov <dtor@...l.ru>
---
arch/ia64/hp/sim/simserial.c | 2 +-
arch/um/drivers/mconsole_kern.c | 2 +-
drivers/char/hangcheck-timer.c | 2 +-
drivers/char/hvc_console.c | 2 +-
drivers/char/hvsi.c | 2 +-
drivers/char/sysrq.c | 11 +++++------
drivers/s390/char/ctrlchar.c | 4 +---
drivers/serial/sn_console.c | 2 +-
drivers/usb/serial/generic.c | 2 +-
drivers/xen/manage.c | 2 +-
include/linux/serial_core.h | 2 +-
include/linux/sysrq.h | 11 ++++-------
kernel/debug/kdb/kdb_main.c | 2 +-
13 files changed, 20 insertions(+), 26 deletions(-)
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 2bef526..1e8d71a 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -149,7 +149,7 @@ static void receive_chars(struct tty_struct *tty)
ch = ia64_ssc(0, 0, 0, 0,
SSC_GETCHAR);
while (!ch);
- handle_sysrq(ch, NULL);
+ handle_sysrq(ch);
}
#endif
seen_esc = 0;
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index de317d0..ebc6807 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -690,7 +690,7 @@ static void with_console(struct mc_request *req, void (*proc)(void *),
static void sysrq_proc(void *arg)
{
char *op = arg;
- handle_sysrq(*op, NULL);
+ handle_sysrq(*op);
}
void mconsole_sysrq(struct mc_request *req)
diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c
index e024972..f953c96 100644
--- a/drivers/char/hangcheck-timer.c
+++ b/drivers/char/hangcheck-timer.c
@@ -159,7 +159,7 @@ static void hangcheck_fire(unsigned long data)
if (hangcheck_dump_tasks) {
printk(KERN_CRIT "Hangcheck: Task state:\n");
#ifdef CONFIG_MAGIC_SYSRQ
- handle_sysrq('t', NULL);
+ handle_sysrq('t');
#endif /* CONFIG_MAGIC_SYSRQ */
}
if (hangcheck_reboot) {
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 35cca4c..1f99a6f 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -651,7 +651,7 @@ int hvc_poll(struct hvc_struct *hp)
if (sysrq_pressed)
continue;
} else if (sysrq_pressed) {
- handle_sysrq(buf[i], tty);
+ handle_sysrq(buf[i]);
sysrq_pressed = 0;
continue;
}
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index d4b14ff..8620f7d 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -403,7 +403,7 @@ static void hvsi_insert_chars(struct hvsi_struct *hp, const char *buf, int len)
hp->sysrq = 1;
continue;
} else if (hp->sysrq) {
- handle_sysrq(c, hp->tty);
+ handle_sysrq(c);
hp->sysrq = 0;
continue;
}
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index a892a3c..ef31bb8 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -18,7 +18,6 @@
#include <linux/interrupt.h>
#include <linux/mm.h>
#include <linux/fs.h>
-#include <linux/tty.h>
#include <linux/mount.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
@@ -493,7 +492,7 @@ static void __sysrq_put_key_op(int key, struct sysrq_key_op *op_p)
sysrq_key_table[i] = op_p;
}
-void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
+void __handle_sysrq(int key, bool check_mask)
{
struct sysrq_key_op *op_p;
int orig_log_level;
@@ -545,10 +544,10 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
spin_unlock_irqrestore(&sysrq_key_table_lock, flags);
}
-void handle_sysrq(int key, struct tty_struct *tty)
+void handle_sysrq(int key)
{
if (sysrq_on())
- __handle_sysrq(key, tty, 1);
+ __handle_sysrq(key, true);
}
EXPORT_SYMBOL(handle_sysrq);
@@ -597,7 +596,7 @@ static bool sysrq_filter(struct input_handle *handle, unsigned int type,
default:
if (sysrq_down && value && value != 2)
- __handle_sysrq(sysrq_xlate[code], NULL, 1);
+ __handle_sysrq(sysrq_xlate[code], true);
break;
}
@@ -765,7 +764,7 @@ static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf,
if (get_user(c, buf))
return -EFAULT;
- __handle_sysrq(c, NULL, 0);
+ __handle_sysrq(c, false);
}
return count;
diff --git a/drivers/s390/char/ctrlchar.c b/drivers/s390/char/ctrlchar.c
index c6cbcb3..0e9a309 100644
--- a/drivers/s390/char/ctrlchar.c
+++ b/drivers/s390/char/ctrlchar.c
@@ -16,12 +16,11 @@
#ifdef CONFIG_MAGIC_SYSRQ
static int ctrlchar_sysrq_key;
-static struct tty_struct *sysrq_tty;
static void
ctrlchar_handle_sysrq(struct work_struct *work)
{
- handle_sysrq(ctrlchar_sysrq_key, sysrq_tty);
+ handle_sysrq(ctrlchar_sysrq_key);
}
static DECLARE_WORK(ctrlchar_work, ctrlchar_handle_sysrq);
@@ -54,7 +53,6 @@ ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty)
/* racy */
if (len == 3 && buf[1] == '-') {
ctrlchar_sysrq_key = buf[2];
- sysrq_tty = tty;
schedule_work(&ctrlchar_work);
return CTRLCHAR_SYSRQ;
}
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index 9794e0c..4924108 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -492,7 +492,7 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags)
sysrq_requested = 0;
if (ch && time_before(jiffies, sysrq_timeout)) {
spin_unlock_irqrestore(&port->sc_port.lock, flags);
- handle_sysrq(ch, NULL);
+ handle_sysrq(ch);
spin_lock_irqsave(&port->sc_port.lock, flags);
/* ignore actual sysrq command char */
continue;
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index a817ced..9587c22 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -448,7 +448,7 @@ int usb_serial_handle_sysrq_char(struct tty_struct *tty,
{
if (port->sysrq && port->port.console) {
if (ch && time_before(jiffies, port->sysrq)) {
- handle_sysrq(ch, tty);
+ handle_sysrq(ch);
port->sysrq = 0;
return 1;
}
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 07e857b..3896719 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -212,7 +212,7 @@ static void sysrq_handler(struct xenbus_watch *watch, const char **vec,
goto again;
if (sysrq_key != '\0')
- handle_sysrq(sysrq_key, NULL);
+ handle_sysrq(sysrq_key);
}
static struct xenbus_watch sysrq_watch = {
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index f10db6e..1faf49d 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -453,7 +453,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
#ifdef SUPPORT_SYSRQ
if (port->sysrq) {
if (ch && time_before(jiffies, port->sysrq)) {
- handle_sysrq(ch, port->state->port.tty);
+ handle_sysrq(ch);
port->sysrq = 0;
return 1;
}
diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h
index 4ee6503..32d360a 100644
--- a/include/linux/sysrq.h
+++ b/include/linux/sysrq.h
@@ -16,9 +16,6 @@
#include <linux/errno.h>
-struct pt_regs;
-struct tty_struct;
-
/* Possible values of bitmask for enabling sysrq functions */
/* 0x0001 is reserved for enable everything */
#define SYSRQ_ENABLE_LOG 0x0002
@@ -44,8 +41,8 @@ struct sysrq_key_op {
* are available -- else NULL's).
*/
-void handle_sysrq(int key, struct tty_struct *tty);
-void __handle_sysrq(int key, struct tty_struct *tty, int check_mask);
+void handle_sysrq(int key);
+void __handle_sysrq(int key, bool check_mask);
int register_sysrq_key(int key, struct sysrq_key_op *op);
int unregister_sysrq_key(int key, struct sysrq_key_op *op);
struct sysrq_key_op *__sysrq_get_key_op(int key);
@@ -54,11 +51,11 @@ int sysrq_toggle_support(int enable_mask);
#else
-static inline void handle_sysrq(int key, struct tty_struct *tty)
+static inline void handle_sysrq(int key)
{
}
-static inline void __handle_sysrq(int key, struct tty_struct *tty, int check_mask);
+static inline void __handle_sysrq(int key, bool check_mask)
{
}
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index ebe4a28..4768998 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1821,7 +1821,7 @@ static int kdb_sr(int argc, const char **argv)
if (argc != 1)
return KDB_ARGCOUNT;
kdb_trap_printk++;
- __handle_sysrq(*argv[1], NULL, 0);
+ __handle_sysrq(*argv[1], false);
kdb_trap_printk--;
return 0;
--
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