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[02/13] Always expose __SYSCALL(... fork ...)

Message ID 1441832902-28993-3-git-send-email-palmer@dabbelt.com (mailing list archive)
State New, archived
Headers show

Commit Message

Palmer Dabbelt Sept. 9, 2015, 9:08 p.m. UTC 
I think this change actually doesn't do anything: __NR_fork was still
being defined either way, and on my machine fork() in <unistd.h> comes
from libc.

That said, I don't think there's any way to determine this
automatically, so this at least quiets the checker.

Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Reviewed-by: Andrew Waterman <waterman@eecs.berkeley.edu>
Reviewed-by: Albert Ou <aou@eecs.berkeley.edu>
---
 include/uapi/asm-generic/unistd.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index e016bd9b1a04..e027ef7aa01f 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -865,11 +865,11 @@  __SYSCALL(__NR_uselib, sys_uselib)
 __SYSCALL(__NR__sysctl, sys_sysctl)
 
 #define __NR_fork 1079
-#ifdef CONFIG_MMU
+#if !defined(__KERNEL__) || defined(CONFIG_MMU)
 __SYSCALL(__NR_fork, sys_fork)
 #else
 __SYSCALL(__NR_fork, sys_ni_syscall)
-#endif /* CONFIG_MMU */
+#endif /* !__KERNEL__ || CONFIG_MMU */
 
 #undef __NR_syscalls
 #define __NR_syscalls (__NR_fork+1)