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

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

[guoren]

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

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

[Alejandro Colomar]

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Hi Guo,

On Sun, Oct 15, 2023 at 11:07:32AM -0400, guoren@kernel.org wrote:
> 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>
> ---

Patch applied.
<https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=1c4464ae2c40318b77e125961e24710d1784df5d>

Thanks!
Alex

>  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__)

I removed the parentheses here.

>  .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
> 

-- 
<https://www.alejandro-colomar.es/>

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

[Guo Ren]

On Mon, Oct 16, 2023 at 2:00 AM Alejandro Colomar <alx@kernel.org> wrote:
>
> Hi Guo,
>
> On Sun, Oct 15, 2023 at 11:07:32AM -0400, guoren@kernel.org wrote:
> > 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>
> > ---
>
> Patch applied.
> <https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=1c4464ae2c40318b77e125961e24710d1784df5d>
>
> Thanks!
> Alex
>
> >  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__)
>
> I removed the parentheses here.
Oops, thanks.

>
> >  .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
> >
>
> --
> <https://www.alejandro-colomar.es/>



-- 
Best Regards
 Guo Ren