Messages in this thread Patch in this message | | | From | Oren Laadan <> | Subject | [C/R v20][PATCH 61/96] c/r: (s390): expose a constant for the number of words (CRs) | Date | Wed, 17 Mar 2010 12:08:49 -0400 |
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We need to use this value in the checkpoint/restart code and would like to have a constant instead of a magic '3'.
Changelog: Jan 20: . Define s390x sys_restart wrapper Mar 30: . Add CHECKPOINT_SUPPORT in Kconfig (Nathan Lynch) Mar 03: . Picked up additional use of magic '3' in ptrace.h
Signed-off-by: Dan Smith <danms@us.ibm.com> Acked-by: Serge E. Hallyn <serue@us.ibm.com> Tested-by: Serge E. Hallyn <serue@us.ibm.com> --- arch/s390/Kconfig | 4 ++++ arch/s390/kernel/process.c | 9 +++++++++ 2 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index c802352..95bb4ed 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -49,6 +49,10 @@ config GENERIC_TIME_VSYSCALL config GENERIC_CLOCKEVENTS def_bool y +config CHECKPOINT_SUPPORT + bool + default y if 64BIT + config GENERIC_BUG bool depends on BUG diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 5b0729a..eb834fd 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -240,6 +240,15 @@ SYSCALL_DEFINE4(clone, unsigned long, newsp, unsigned long, clone_flags, parent_tidptr, child_tidptr); } +#ifdef CONFIG_CHECKPOINT +extern long do_sys_restart(pid_t pid, int fd, unsigned long flags, int logfd); +SYSCALL_DEFINE4(restart, pid_t, pid, int, fd, unsigned long, flags, + int, logfd) +{ + return do_sys_restart(pid, fd, flags, logfd); +} +#endif + SYSCALL_DEFINE4(eclone, unsigned int, flags_low, struct clone_args __user *, uca, int, args_size, pid_t __user *, pids) { -- 1.6.3.3
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