[PATCH] set_thread_area.2: Add C-SKY document

[guoren@kernel.org]

From: Guo Ren <guoren@linux.alibaba.com>

C-SKY only needs set_thread_area, no need for get_thread_area, the
same as MIPS.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
---
 man2/set_thread_area.2 | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/man2/set_thread_area.2 b/man2/set_thread_area.2
index 02f65e0418f2..c43a92eb447a 100644
--- a/man2/set_thread_area.2
+++ b/man2/set_thread_area.2
@@ -26,7 +26,7 @@ Standard C library
 .B "int syscall(SYS_get_thread_area);"
 .BI "int syscall(SYS_set_thread_area, unsigned long " tp );
 .PP
-.B #elif defined __mips__
+.B #elif defined(__mips__ || defined __csky__)
 .PP
 .BI "int syscall(SYS_set_thread_area, unsigned long " addr );
 .PP
@@ -42,17 +42,17 @@ These calls provide architecture-specific support for a thread-local storage
 implementation.
 At the moment,
 .BR set_thread_area ()
-is available on m68k, MIPS, and x86 (both 32-bit and 64-bit variants);
+is available on m68k, MIPS, C-SKY, and x86 (both 32-bit and 64-bit variants);
 .BR get_thread_area ()
 is available on m68k and x86.
 .PP
-On m68k and MIPS,
+On m68k, MIPS and C-SKY,
 .BR set_thread_area ()
 allows storing an arbitrary pointer (provided in the
 .B tp
 argument on m68k and in the
 .B addr
-argument on MIPS)
+argument on MIPS and C-SKY)
 in the kernel data structure associated with the calling thread;
 this pointer can later be retrieved using
 .BR get_thread_area ()
@@ -139,7 +139,7 @@ return 0 on success, and \-1 on failure, with
 .I errno
 set to indicate the error.
 .PP
-On MIPS and m68k,
+On C-SKY, MIPS and m68k,
 .BR set_thread_area ()
 always returns 0.
 On m68k,
-- 
2.36.1