* [PATCH] set_thread_area.2: Add C-SKY document
@ 2023-10-15 15:07 guoren
2023-10-15 18:00 ` Alejandro Colomar
0 siblings, 1 reply; 3+ messages in thread
From: guoren @ 2023-10-15 15:07 UTC (permalink / raw)
To: guoren, arnd, alx, mtk.manpages, alx.manpages
Cc: linux-man, linux-kernel, linux-csky, Guo Ren
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] set_thread_area.2: Add C-SKY document
2023-10-15 15:07 [PATCH] set_thread_area.2: Add C-SKY document guoren
@ 2023-10-15 18:00 ` Alejandro Colomar
2023-10-16 0:53 ` Guo Ren
0 siblings, 1 reply; 3+ messages in thread
From: Alejandro Colomar @ 2023-10-15 18:00 UTC (permalink / raw)
To: guoren; +Cc: arnd, linux-man, linux-kernel, linux-csky, Guo Ren
[-- Attachment #1: Type: text/plain, Size: 2198 bytes --]
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/>
[-- Attachment #2: signature.asc --]
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] set_thread_area.2: Add C-SKY document
2023-10-15 18:00 ` Alejandro Colomar
@ 2023-10-16 0:53 ` Guo Ren
0 siblings, 0 replies; 3+ messages in thread
From: Guo Ren @ 2023-10-16 0:53 UTC (permalink / raw)
To: Alejandro Colomar; +Cc: arnd, linux-man, linux-kernel, linux-csky, 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
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-10-15 18:00 ` Alejandro Colomar
2023-10-16 0:53 ` Guo Ren
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