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BACKPORT: arch: wire-up pidfd_open()

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This wires up the pidfd_open() syscall into all arches at once.

Signed-off-by: Christian Brauner <christian@brauner.io>
Reviewed-by: David Howells <dhowells@redhat.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jann Horn <jannh@google.com>
Cc: Andy Lutomirsky <luto@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Aleksa Sarai <cyphar@cyphar.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-api@vger.kernel.org
Cc: linux-alpha@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-m68k@lists.linux-m68k.org
Cc: linux-mips@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: linux-xtensa@linux-xtensa.org
Cc: linux-arch@vger.kernel.org
Cc: x86@kernel.org

(cherry picked from commit 7615d9e1780e26e0178c93c55b73309a5dc093d7)

Conflicts:
        arch/alpha/kernel/syscalls/syscall.tbl
        arch/ia64/kernel/syscalls/syscall.tbl
        arch/m68k/kernel/syscalls/syscall.tbl
        arch/microblaze/kernel/syscalls/syscall.tbl
        arch/mips/kernel/syscalls/syscall_n32.tbl
        arch/mips/kernel/syscalls/syscall_n64.tbl
        arch/mips/kernel/syscalls/syscall_o32.tbl
        arch/parisc/kernel/syscalls/syscall.tbl
        arch/powerpc/kernel/syscalls/syscall.tbl
        arch/sh/kernel/syscalls/syscall.tbl
        arch/sparc/kernel/syscalls/syscall.tbl
        arch/xtensa/kernel/syscalls/syscall.tbl

(1. Skipped syscall.tbl modifications for missing architectures.)

Bug: 135608568
Test: test program using syscall(__NR_sys_pidfd_open,..) and poll()
Change-Id: I74ab09294c648b0de1a2325146938d7495c21975
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
This commit is contained in:
Christian Brauner 2019-05-24 12:44:59 +02:00 committed by Joel Fernandes (Google)
parent abd43bb345
commit 6c0620339f
7 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/arm/tools/syscall.tbl
View file

@ -414,3 +414,4 @@
397 common statx sys_statx
398 common rseq sys_rseq
399 common io_pgetevents sys_io_pgetevents
434 common pidfd_open sys_pidfd_open

2
arch/arm64/include/asm/unistd.h
View file

@ -44,7 +44,7 @@
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
#define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
#define __NR_compat_syscalls 399
#define __NR_compat_syscalls 435
#endif
#define __ARCH_WANT_SYS_CLONE

2
arch/arm64/include/asm/unistd32.h
View file

@ -819,6 +819,8 @@ __SYSCALL(__NR_pkey_free, sys_pkey_free)
__SYSCALL(__NR_statx, sys_statx)
#define __NR_rseq 398
__SYSCALL(__NR_rseq, sys_rseq)
#define __NR_pidfd_open 434
__SYSCALL(__NR_pidfd_open, sys_pidfd_open)
/*
* Please add new compat syscalls above this comment and update

1
arch/s390/kernel/syscalls/syscall.tbl
View file

@ -391,3 +391,4 @@
381 common kexec_file_load sys_kexec_file_load compat_sys_kexec_file_load
382 common io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents
383 common rseq sys_rseq compat_sys_rseq
434 common pidfd_open sys_pidfd_open sys_pidfd_open

1
arch/x86/entry/syscalls/syscall_32.tbl
View file

@ -399,3 +399,4 @@
385 i386 io_pgetevents sys_io_pgetevents __ia32_compat_sys_io_pgetevents
386 i386 rseq sys_rseq __ia32_sys_rseq
424 i386 pidfd_send_signal sys_pidfd_send_signal __ia32_sys_pidfd_send_signal
434 i386 pidfd_open sys_pidfd_open __ia32_sys_pidfd_open

1
arch/x86/entry/syscalls/syscall_64.tbl
View file

@ -344,6 +344,7 @@
333 common io_pgetevents __x64_sys_io_pgetevents
334 common rseq __x64_sys_rseq
424 common pidfd_send_signal __x64_sys_pidfd_send_signal
434 common pidfd_open __x64_sys_pidfd_open
#
# x32-specific system call numbers start at 512 to avoid cache impact

4
include/uapi/asm-generic/unistd.h
View file

@ -738,9 +738,11 @@ __SC_COMP(__NR_io_pgetevents, sys_io_pgetevents, compat_sys_io_pgetevents)
__SYSCALL(__NR_rseq, sys_rseq)
#define __NR_pidfd_send_signal 424
__SYSCALL(__NR_pidfd_send_signal, sys_pidfd_send_signal)
#define __NR_pidfd_open 434
__SYSCALL(__NR_pidfd_open, sys_pidfd_open)
#undef __NR_syscalls
#define __NR_syscalls 425
#define __NR_syscalls 435
/*
* 32 bit systems traditionally used different