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From: Carlos O'Donell via Libc-alpha <libc-alpha@sourceware.org>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>,
	libc-alpha@sourceware.org
Subject: Re: [PATCH 20/30] Linux: Assume and consolidate socketpair wire-up syscall
Date: Tue, 6 Dec 2022 11:15:25 -0500	[thread overview]
Message-ID: <455d18e7-a0c9-0940-5b90-92310bec777a@redhat.com> (raw)
In-Reply-To: <20221019221433.1082017-21-adhemerval.zanella@linaro.org>

On 10/19/22 18:14, Adhemerval Zanella via Libc-alpha wrote:
> And disable if kernel does not support it.
> 
> Checked on x86_64-linux-gnu and i686-linux-gnu.

LGTM.

No regressions on x86_64 and i686.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>

> ---
>  sysdeps/unix/sysv/linux/generic/syscalls.list        | 1 -
>  sysdeps/unix/sysv/linux/i386/kernel-features.h       | 2 +-
>  sysdeps/unix/sysv/linux/kernel-features.h            | 1 +
>  sysdeps/unix/sysv/linux/m68k/kernel-features.h       | 2 +-
>  sysdeps/unix/sysv/linux/microblaze/kernel-features.h | 1 -
>  sysdeps/unix/sysv/linux/powerpc/kernel-features.h    | 1 -
>  sysdeps/unix/sysv/linux/s390/kernel-features.h       | 2 +-
>  sysdeps/unix/sysv/linux/sh/kernel-features.h         | 1 -
>  sysdeps/unix/sysv/linux/socketpair.c                 | 7 +------
>  sysdeps/unix/sysv/linux/sparc/kernel-features.h      | 1 -
>  10 files changed, 5 insertions(+), 14 deletions(-)
> 
> diff --git a/sysdeps/unix/sysv/linux/generic/syscalls.list b/sysdeps/unix/sysv/linux/generic/syscalls.list
> index e5a62811a5..95ed2cbac8 100644
> --- a/sysdeps/unix/sysv/linux/generic/syscalls.list
> +++ b/sysdeps/unix/sysv/linux/generic/syscalls.list
> @@ -1,7 +1,6 @@
>  # File name	Caller	Syscall name	# args	Strong name	Weak names
>  
>  # Socket APIs
> -socketpair	-	socketpair	i:iiif	__socketpair	socketpair

OK. Remove wrapper.

>  listen		-	listen		i:ii	__listen	listen
>  getsockname	-	getsockname	i:ipp	__getsockname	getsockname
>  getpeername	-	getpeername	i:ipp	__getpeername	getpeername
> diff --git a/sysdeps/unix/sysv/linux/i386/kernel-features.h b/sysdeps/unix/sysv/linux/i386/kernel-features.h
> index 4c2f1eb8f5..8a7fe47602 100644
> --- a/sysdeps/unix/sysv/linux/i386/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/i386/kernel-features.h
> @@ -19,7 +19,6 @@
>  
>  /* Direct socketcalls available with kernel 4.3.  */
>  #if __LINUX_KERNEL_VERSION >= 0x040300
> -# define __ASSUME_SOCKETPAIR_SYSCALL         1
>  # define __ASSUME_LISTEN_SYSCALL             1
>  # define __ASSUME_GETSOCKNAME_SYSCALL        1
>  # define __ASSUME_GETPEERNAME_SYSCALL        1
> @@ -41,6 +40,7 @@
>  # undef __ASSUME_SETSOCKOPT_SYSCALL
>  # undef __ASSUME_BIND_SYSCALL
>  # undef __ASSUME_SOCKET_SYSCALL
> +# undef __ASSUME_SOCKETPAIR_SYSCALL

OK. Expect it.

>  #endif
>  
>  /* i686 only supports ipc syscall before 5.1.  */
> diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
> index a42b70c85b..fd44b39cf4 100644
> --- a/sysdeps/unix/sysv/linux/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/kernel-features.h
> @@ -81,6 +81,7 @@
>  #define __ASSUME_SETSOCKOPT_SYSCALL	1
>  #define __ASSUME_BIND_SYSCALL		1
>  #define __ASSUME_SOCKET_SYSCALL		1
> +#define __ASSUME_SOCKETPAIR_SYSCALL	1

OK. Default.

>  
>  /* Support for SysV IPC through wired syscalls.  All supported architectures
>     either support ipc syscall and/or all the ipc correspondent syscalls.  */
> diff --git a/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
> index 38ffbdbaed..46b3045b56 100644
> --- a/sysdeps/unix/sysv/linux/m68k/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
> @@ -19,7 +19,6 @@
>  
>  /* Direct socketcalls available with kernel 4.3.  */
>  #if __LINUX_KERNEL_VERSION >= 0x040300
> -# define __ASSUME_SOCKETPAIR_SYSCALL         1
>  # define __ASSUME_LISTEN_SYSCALL             1
>  # define __ASSUME_GETSOCKNAME_SYSCALL        1
>  # define __ASSUME_GETPEERNAME_SYSCALL        1
> @@ -43,6 +42,7 @@
>  # undef __ASSUME_SETSOCKOPT_SYSCALL
>  # undef __ASSUME_BIND_SYSCALL
>  # undef __ASSUME_SOCKET_SYSCALL
> +# undef __ASSUME_SOCKETPAIR_SYSCALL
>  #endif
>  
>  /* No support for PI futexes or robust mutexes before 3.10 for m68k.  */
> diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
> index 389dd146b4..198ff3209d 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
> @@ -22,7 +22,6 @@
>  #define __ASSUME_LISTEN_SYSCALL		1
>  #define __ASSUME_GETSOCKNAME_SYSCALL	1
>  #define __ASSUME_GETPEERNAME_SYSCALL	1
> -#define __ASSUME_SOCKETPAIR_SYSCALL	1
>  #define __ASSUME_SEND_SYSCALL		1
>  #define __ASSUME_RECV_SYSCALL		1
>  #define __ASSUME_SHUTDOWN_SYSCALL	1
> diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
> index 9ee1dc2bc7..72ec2df178 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
> @@ -22,7 +22,6 @@
>  #define __ASSUME_LISTEN_SYSCALL		1
>  #define __ASSUME_GETSOCKNAME_SYSCALL	1
>  #define __ASSUME_GETPEERNAME_SYSCALL	1
> -#define __ASSUME_SOCKETPAIR_SYSCALL	1
>  #define __ASSUME_SEND_SYSCALL		1
>  #define __ASSUME_RECV_SYSCALL		1
>  #define __ASSUME_SHUTDOWN_SYSCALL	1
> diff --git a/sysdeps/unix/sysv/linux/s390/kernel-features.h b/sysdeps/unix/sysv/linux/s390/kernel-features.h
> index d5991b265b..01fc98e9ab 100644
> --- a/sysdeps/unix/sysv/linux/s390/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/s390/kernel-features.h
> @@ -19,7 +19,6 @@
>  
>  /* Direct socketcalls available with kernel 4.3.  */
>  #if __LINUX_KERNEL_VERSION >= 0x040300
> -# define __ASSUME_SOCKETPAIR_SYSCALL         1
>  # define __ASSUME_LISTEN_SYSCALL             1
>  # define __ASSUME_GETSOCKNAME_SYSCALL        1
>  # define __ASSUME_GETPEERNAME_SYSCALL        1
> @@ -43,6 +42,7 @@
>  # undef __ASSUME_SETSOCKOPT_SYSCALL
>  # undef __ASSUME_BIND_SYSCALL
>  # undef __ASSUME_SOCKET_SYSCALL
> +# undef __ASSUME_SOCKETPAIR_SYSCALL
>  #endif
>  
>  /* s390 only supports ipc syscall before 5.1.  */
> diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
> index 3b57eb7f27..b18314a9cd 100644
> --- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
> @@ -27,7 +27,6 @@
>  #define __ASSUME_LISTEN_SYSCALL		1
>  #define __ASSUME_GETSOCKNAME_SYSCALL	1
>  #define __ASSUME_GETPEERNAME_SYSCALL	1
> -#define __ASSUME_SOCKETPAIR_SYSCALL	1
>  #define __ASSUME_SEND_SYSCALL		1
>  #define __ASSUME_RECV_SYSCALL		1
>  #define __ASSUME_SHUTDOWN_SYSCALL	1
> diff --git a/sysdeps/unix/sysv/linux/socketpair.c b/sysdeps/unix/sysv/linux/socketpair.c
> index d06cbbc2c9..65f8cb46dc 100644
> --- a/sysdeps/unix/sysv/linux/socketpair.c
> +++ b/sysdeps/unix/sysv/linux/socketpair.c

OK. Default C implementation.

> @@ -15,19 +15,14 @@
>     License along with the GNU C Library; if not, see
>     <https://www.gnu.org/licenses/>.  */
>  
> -#include <errno.h>
> -#include <signal.h>
>  #include <sys/socket.h>
> -
>  #include <socketcall.h>
> -#include <kernel-features.h>
> -#include <sys/syscall.h>
>  
>  int
>  __socketpair (int domain, int type, int protocol, int sv[2])
>  {
>  #ifdef __ASSUME_SOCKETPAIR_SYSCALL
> -  return INLINE_SYSCALL (socketpair, 4, domain, type, protocol, &sv[0]);
> +  return INLINE_SYSCALL_CALL (socketpair, domain, type, protocol, &sv[0]);

OK.

>  #else
>    return SOCKETCALL (socketpair, domain, type, protocol, sv);
>  #endif
> diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
> index f3a5ef6a99..f43e5c384f 100644
> --- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h
> +++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
> @@ -41,7 +41,6 @@
>  # undef __ASSUME_GETSOCKOPT_SYSCALL
>  # undef __ASSUME_SETSOCKOPT_SYSCALL
>  #else
> -# define __ASSUME_SOCKETPAIR_SYSCALL         1
>  # define __ASSUME_SHUTDOWN_SYSCALL           1
>  #endif
>  

-- 
Cheers,
Carlos.


  reply	other threads:[~2022-12-06 16:15 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-19 22:14 [PATCH 00/30] Remove Linux generic sysdep Adhemerval Zanella via Libc-alpha
2022-10-19 22:14 ` [PATCH 01/30] linux: Fix generic struct_stat for 64 bit time (BZ# 29657) Adhemerval Zanella via Libc-alpha
2022-10-25 17:50   ` Joseph Myers
2022-12-05 16:39   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 02/30] linux: Consolidate dl-origin.c Adhemerval Zanella via Libc-alpha
2022-10-19 22:14 ` [PATCH 03/30] Linux: consolidate chmod implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:39   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 04/30] Linux: consolidate chown implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 05/30] Linux: consolidate dup2 implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 06/30] Lninux: consolidate epoll_create implementation Adhemerval Zanella via Libc-alpha
2022-10-21  8:57   ` Florian Weimer via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 07/30] Linux: consolidate inotify_init implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 08/30] Linux: consolidate lchown implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 09/30] Linux: consolidate link implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:39   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 10/30] Linux: consolidate mkdir implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 11/30] Linux: consolidate readlink implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:39   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 12/30] Linux: consolidate rmdir implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:39   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 13/30] Linux: consolidate symlink implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 14/30] Linux: consolidate unlink implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 15/30] Linux: consolidate sendfile implementation Adhemerval Zanella via Libc-alpha
2022-12-05 16:39   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 16/30] Linux: Move wordsize-32 Version to default Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-12-07  0:10     ` Joseph Myers
2022-12-07 20:19       ` Adhemerval Zanella Netto via Libc-alpha
2022-10-19 22:14 ` [PATCH 17/30] Linux: consolidate ____longjmp_chk Adhemerval Zanella via Libc-alpha
2022-12-05 16:40   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 18/30] Linux: Assume and consolidate bind wire-up syscall Adhemerval Zanella via Libc-alpha
2022-12-05 16:39   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 19/30] Linux: Assume iand consolidate socket " Adhemerval Zanella via Libc-alpha
2022-12-05 16:39   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 20/30] Linux: Assume and consolidate socketpair " Adhemerval Zanella via Libc-alpha
2022-12-06 16:15   ` Carlos O'Donell via Libc-alpha [this message]
2022-10-19 22:14 ` [PATCH 21/30] Linux: Assume and consolidate listen " Adhemerval Zanella via Libc-alpha
2022-12-06 16:17   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 22/30] Linux: Assume and consolidate getsockname " Adhemerval Zanella via Libc-alpha
2022-10-20  0:01   ` Joseph Myers
2022-10-20 18:12     ` Adhemerval Zanella Netto via Libc-alpha
2022-12-06 16:18   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 23/30] Linux: Assume and consolidate getpeername " Adhemerval Zanella via Libc-alpha
2022-10-20  0:02   ` Joseph Myers
2022-12-06 16:20   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 24/30] Linux: Assume and consolidate shutdown " Adhemerval Zanella via Libc-alpha
2022-12-06 16:23   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 25/30] Linux: Remove unused generic Makefile Adhemerval Zanella via Libc-alpha
2022-12-06 17:24   ` Carlos O'Donell via Libc-alpha
2022-12-07 21:19     ` Adhemerval Zanella Netto via Libc-alpha
2022-10-19 22:14 ` [PATCH 26/30] Linux: Remove generic sysdep Adhemerval Zanella via Libc-alpha
2022-12-06 17:29   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 27/30] Linux: make generic xstatver.h the default one Adhemerval Zanella via Libc-alpha
2022-12-06 17:33   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 28/30] Linux: Make generic fcntl.h " Adhemerval Zanella via Libc-alpha
2022-12-06 17:36   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 29/30] Linux: Consolidate typesizes.h Adhemerval Zanella via Libc-alpha
2022-12-06 17:47   ` Carlos O'Donell via Libc-alpha
2022-10-19 22:14 ` [PATCH 30/30] Linux: Remove generic Implies Adhemerval Zanella via Libc-alpha
2022-12-06 17:50   ` Carlos O'Donell via Libc-alpha

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