Remove support code for old clone_with_pids interface and update comments accordingly.
Signed-off-by: Nathan Lynch <[email protected]> --- clone_s390x.c | 51 ++------------------------------------------------- 1 files changed, 2 insertions(+), 49 deletions(-) diff --git a/clone_s390x.c b/clone_s390x.c index 5ed6f15..af3d41f 100644 --- a/clone_s390x.c +++ b/clone_s390x.c @@ -1,5 +1,5 @@ /* - * clone_s390.c: support for clone_with_pid() on s390x (64 bit) + * clone_s390.c: support for eclone() on s390x (64 bit) * * Copyright (C) IBM Corporation * @@ -19,57 +19,10 @@ #include <asm/unistd.h> /* - * libc doesn't support clone_with_pid() yet... + * libc doesn't support eclone() yet... * below is arch-dependent code to use the syscall */ #include <linux/checkpoint.h> -#if defined(__NR_clone_with_pids) - -/* this really belongs to some kernel header ! */ -struct pid_set { - int num_pids; - pid_t *pids; -}; - -/* (see: http://lkml.indiana.edu/hypermail/linux/kernel/9604.3/0204.html) */ - -#define do_clone_with_pids(stack, flags, ptid, ctid, setp) ({ \ - register unsigned long int __r2 asm ("2") = (unsigned long int)(stack);\ - register unsigned long int __r3 asm ("3") = (unsigned long int)(flags);\ - register unsigned long int __r4 asm ("4") = (unsigned long int)(ptid); \ - register unsigned long int __r5 asm ("5") = (unsigned long int)(ctid); \ - register unsigned long int __r6 asm ("6") = (unsigned long int)(NULL); \ - register unsigned long int __r7 asm ("7") = (unsigned long int)(setp); \ - register unsigned long int __result asm ("2"); \ - __asm__ __volatile__( \ - " lghi %%r1,%7\n" \ - " svc 0\n" \ - : "=d" (__result) \ - : "0" (__r2), "d" (__r3), \ - "d" (__r4), "d" (__r5), "d" (__r6), "d" (__r7), \ - "i" (__NR_clone_with_pids) \ - : "1", "cc", "memory" \ - ); \ - __result; \ - }) - -int clone_with_pids(int (*fn)(void *), void *child_stack, int flags, - struct pid_set *target_pids, void *arg) -{ - long retval; - retval = do_clone_with_pids(child_stack, flags, NULL, NULL, - target_pids); - - if (retval < 0) { - errno = -retval; - return -1; - } else if (retval == 0) { - return fn(arg); - } else - return retval; -} - -#endif /* !defined(__NR_clone_with_pids) */ #include "eclone.h" -- 1.6.2.5 _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
