diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-04-06 09:02:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-06 09:02:57 +0200 |
| commit | f541ae326fa120fa5c57433e4d9a133df212ce41 (patch) | |
| tree | bdbd94ec72cfc601118051cb35e8617d55510177 /drivers/char/sysrq.c | |
| parent | e255357764f92afcafafbd4879b222b8c752065a (diff) | |
| parent | 0221c81b1b8eb0cbb6b30a0ced52ead32d2b4e4c (diff) | |
Merge branch 'linus' into perfcounters/core-v2
Merge reason: we have gathered quite a few conflicts, need to merge upstream
Conflicts:
arch/powerpc/kernel/Makefile
arch/x86/ia32/ia32entry.S
arch/x86/include/asm/hardirq.h
arch/x86/include/asm/unistd_32.h
arch/x86/include/asm/unistd_64.h
arch/x86/kernel/cpu/common.c
arch/x86/kernel/irq.c
arch/x86/kernel/syscall_table_32.S
arch/x86/mm/iomap_32.c
include/linux/sched.h
kernel/Makefile
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/char/sysrq.c')
| -rw-r--r-- | drivers/char/sysrq.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index fa71b84f217b..0540d5de2c17 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -36,7 +36,7 @@ #include <linux/vt_kern.h> #include <linux/workqueue.h> #include <linux/kexec.h> -#include <linux/irq.h> +#include <linux/interrupt.h> #include <linux/hrtimer.h> #include <linux/oom.h> @@ -285,7 +285,7 @@ static void sysrq_ftrace_dump(int key, struct tty_struct *tty) } static struct sysrq_key_op sysrq_ftrace_dump_op = { .handler = sysrq_ftrace_dump, - .help_msg = "dumpZ-ftrace-buffer", + .help_msg = "dump-ftrace-buffer(Z)", .action_msg = "Dump ftrace buffer", .enable_mask = SYSRQ_ENABLE_DUMP, }; @@ -348,6 +348,19 @@ static struct sysrq_key_op sysrq_moom_op = { .enable_mask = SYSRQ_ENABLE_SIGNAL, }; +#ifdef CONFIG_BLOCK +static void sysrq_handle_thaw(int key, struct tty_struct *tty) +{ + emergency_thaw_all(); +} +static struct sysrq_key_op sysrq_thaw_op = { + .handler = sysrq_handle_thaw, + .help_msg = "thaw-filesystems(J)", + .action_msg = "Emergency Thaw of all frozen filesystems", + .enable_mask = SYSRQ_ENABLE_SIGNAL, +}; +#endif + static void sysrq_handle_kill(int key, struct tty_struct *tty) { send_sig_all(SIGKILL); @@ -398,9 +411,13 @@ static struct sysrq_key_op *sysrq_key_table[36] = { &sysrq_moom_op, /* f */ /* g: May be registered by ppc for kgdb */ NULL, /* g */ - NULL, /* h */ + NULL, /* h - reserved for help */ &sysrq_kill_op, /* i */ +#ifdef CONFIG_BLOCK + &sysrq_thaw_op, /* j */ +#else NULL, /* j */ +#endif &sysrq_SAK_op, /* k */ #ifdef CONFIG_SMP &sysrq_showallcpus_op, /* l */ |