__setup("sysrq_always_enabled", sysrq_always_enabled_setup);
-static void sysrq_handle_loglevel(int key)
+static void sysrq_handle_loglevel(u8 key)
{
- int i;
+ u8 loglevel = key - '0';
- i = key - '0';
console_loglevel = CONSOLE_LOGLEVEL_DEFAULT;
- pr_info("Loglevel set to %d\n", i);
- console_loglevel = i;
+ pr_info("Loglevel set to %u\n", loglevel);
+ console_loglevel = loglevel;
}
static const struct sysrq_key_op sysrq_loglevel_op = {
.handler = sysrq_handle_loglevel,
};
#ifdef CONFIG_VT
-static void sysrq_handle_SAK(int key)
+static void sysrq_handle_SAK(u8 key)
{
struct work_struct *SAK_work = &vc_cons[fg_console].SAK_work;
#endif
#ifdef CONFIG_VT
-static void sysrq_handle_unraw(int key)
+static void sysrq_handle_unraw(u8 key)
{
vt_reset_unicode(fg_console);
}
#define sysrq_unraw_op (*(const struct sysrq_key_op *)NULL)
#endif /* CONFIG_VT */
-static void sysrq_handle_crash(int key)
+static void sysrq_handle_crash(u8 key)
{
/* release the RCU read lock before crashing */
rcu_read_unlock();
.enable_mask = SYSRQ_ENABLE_DUMP,
};
-static void sysrq_handle_reboot(int key)
+static void sysrq_handle_reboot(u8 key)
{
lockdep_off();
local_irq_enable();
const struct sysrq_key_op *__sysrq_reboot_op = &sysrq_reboot_op;
-static void sysrq_handle_sync(int key)
+static void sysrq_handle_sync(u8 key)
{
emergency_sync();
}
.enable_mask = SYSRQ_ENABLE_SYNC,
};
-static void sysrq_handle_show_timers(int key)
+static void sysrq_handle_show_timers(u8 key)
{
sysrq_timer_list_show();
}
.action_msg = "Show clockevent devices & pending hrtimers (no others)",
};
-static void sysrq_handle_mountro(int key)
+static void sysrq_handle_mountro(u8 key)
{
emergency_remount();
}
};
#ifdef CONFIG_LOCKDEP
-static void sysrq_handle_showlocks(int key)
+static void sysrq_handle_showlocks(u8 key)
{
debug_show_all_locks();
}
static DECLARE_WORK(sysrq_showallcpus, sysrq_showregs_othercpus);
-static void sysrq_handle_showallcpus(int key)
+static void sysrq_handle_showallcpus(u8 key)
{
/*
* Fall back to the workqueue based printing if the
#define sysrq_showallcpus_op (*(const struct sysrq_key_op *)NULL)
#endif
-static void sysrq_handle_showregs(int key)
+static void sysrq_handle_showregs(u8 key)
{
struct pt_regs *regs = NULL;
.enable_mask = SYSRQ_ENABLE_DUMP,
};
-static void sysrq_handle_showstate(int key)
+static void sysrq_handle_showstate(u8 key)
{
show_state();
show_all_workqueues();
.enable_mask = SYSRQ_ENABLE_DUMP,
};
-static void sysrq_handle_showstate_blocked(int key)
+static void sysrq_handle_showstate_blocked(u8 key)
{
show_state_filter(TASK_UNINTERRUPTIBLE);
}
#ifdef CONFIG_TRACING
#include <linux/ftrace.h>
-static void sysrq_ftrace_dump(int key)
+static void sysrq_ftrace_dump(u8 key)
{
ftrace_dump(DUMP_ALL);
}
#define sysrq_ftrace_dump_op (*(const struct sysrq_key_op *)NULL)
#endif
-static void sysrq_handle_showmem(int key)
+static void sysrq_handle_showmem(u8 key)
{
show_mem();
}
read_unlock(&tasklist_lock);
}
-static void sysrq_handle_term(int key)
+static void sysrq_handle_term(u8 key)
{
send_sig_all(SIGTERM);
console_loglevel = CONSOLE_LOGLEVEL_DEBUG;
static DECLARE_WORK(moom_work, moom_callback);
-static void sysrq_handle_moom(int key)
+static void sysrq_handle_moom(u8 key)
{
schedule_work(&moom_work);
}
};
#ifdef CONFIG_BLOCK
-static void sysrq_handle_thaw(int key)
+static void sysrq_handle_thaw(u8 key)
{
emergency_thaw_all();
}
#define sysrq_thaw_op (*(const struct sysrq_key_op *)NULL)
#endif
-static void sysrq_handle_kill(int key)
+static void sysrq_handle_kill(u8 key)
{
send_sig_all(SIGKILL);
console_loglevel = CONSOLE_LOGLEVEL_DEBUG;
.enable_mask = SYSRQ_ENABLE_SIGNAL,
};
-static void sysrq_handle_unrt(int key)
+static void sysrq_handle_unrt(u8 key)
{
normalize_rt_tasks();
}
};
/* key2index calculation, -1 on invalid index */
-static int sysrq_key_table_key2index(int key)
+static int sysrq_key_table_key2index(u8 key)
{
- int retval;
-
- if ((key >= '0') && (key <= '9'))
- retval = key - '0';
- else if ((key >= 'a') && (key <= 'z'))
- retval = key + 10 - 'a';
- else if ((key >= 'A') && (key <= 'Z'))
- retval = key + 36 - 'A';
- else
- retval = -1;
- return retval;
+ switch (key) {
+ case '0' ... '9':
+ return key - '0';
+ case 'a' ... 'z':
+ return key - 'a' + 10;
+ case 'A' ... 'Z':
+ return key - 'A' + 10 + 26;
+ default:
+ return -1;
+ }
}
/*
* get and put functions for the table, exposed to modules.
*/
-static const struct sysrq_key_op *__sysrq_get_key_op(int key)
+static const struct sysrq_key_op *__sysrq_get_key_op(u8 key)
{
const struct sysrq_key_op *op_p = NULL;
int i;
return op_p;
}
-static void __sysrq_put_key_op(int key, const struct sysrq_key_op *op_p)
+static void __sysrq_put_key_op(u8 key, const struct sysrq_key_op *op_p)
{
int i = sysrq_key_table_key2index(key);
sysrq_key_table[i] = op_p;
}
-void __handle_sysrq(int key, bool check_mask)
+void __handle_sysrq(u8 key, bool check_mask)
{
const struct sysrq_key_op *op_p;
int orig_log_level;
suppress_printk = orig_suppress_printk;
}
-void handle_sysrq(int key)
+void handle_sysrq(u8 key)
{
if (sysrq_on())
__handle_sysrq(key, true);
}
EXPORT_SYMBOL_GPL(sysrq_toggle_support);
-static int __sysrq_swap_key_ops(int key, const struct sysrq_key_op *insert_op_p,
+static int __sysrq_swap_key_ops(u8 key, const struct sysrq_key_op *insert_op_p,
const struct sysrq_key_op *remove_op_p)
{
int retval;
return retval;
}
-int register_sysrq_key(int key, const struct sysrq_key_op *op_p)
+int register_sysrq_key(u8 key, const struct sysrq_key_op *op_p)
{
return __sysrq_swap_key_ops(key, op_p, NULL);
}
EXPORT_SYMBOL(register_sysrq_key);
-int unregister_sysrq_key(int key, const struct sysrq_key_op *op_p)
+int unregister_sysrq_key(u8 key, const struct sysrq_key_op *op_p)
{
return __sysrq_swap_key_ops(key, NULL, op_p);
}
projects / platform / kernel / linux-rpi.git / blobdiff