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arch: wire up pidfd_getfd syscall

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This wires up the pidfd_getfd syscall for all architectures.

Signed-off-by: Sargun Dhillon <sargun@sargun.me>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200107175927.4558-4-sargun@sargun.me
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Sargun Dhillon 2020-01-07 09:59:26 -08:00 committed by Christian Brauner
parent 8649c322f7
commit 9a2cef09c8
No known key found for this signature in database
GPG key ID: 91C61BC06578DCA2
20 changed files with 23 additions and 2 deletions
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1
arch/alpha/kernel/syscalls/syscall.tbl
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@ -475,3 +475,4 @@
543 common fspick sys_fspick 543 common fspick sys_fspick
544 common pidfd_open sys_pidfd_open 544 common pidfd_open sys_pidfd_open
# 545 reserved for clone3 # 545 reserved for clone3
548 common pidfd_getfd sys_pidfd_getfd

1
arch/arm/tools/syscall.tbl
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@ -449,3 +449,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
435 common clone3 sys_clone3 435 common clone3 sys_clone3
438 common pidfd_getfd sys_pidfd_getfd

2
arch/arm64/include/asm/unistd.h
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@ -38,7 +38,7 @@
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5) #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
#define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800) #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
#define __NR_compat_syscalls 436 #define __NR_compat_syscalls 439
#endif #endif
#define __ARCH_WANT_SYS_CLONE #define __ARCH_WANT_SYS_CLONE

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

@ -879,6 +879,8 @@ __SYSCALL(__NR_fspick, sys_fspick)
__SYSCALL(__NR_pidfd_open, sys_pidfd_open) __SYSCALL(__NR_pidfd_open, sys_pidfd_open)
#define __NR_clone3 435 #define __NR_clone3 435
__SYSCALL(__NR_clone3, sys_clone3) __SYSCALL(__NR_clone3, sys_clone3)
#define __NR_pidfd_getfd 438
__SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
/* /*
* Please add new compat syscalls above this comment and update * Please add new compat syscalls above this comment and update

1
arch/ia64/kernel/syscalls/syscall.tbl
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@ -356,3 +356,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
# 435 reserved for clone3 # 435 reserved for clone3
438 common pidfd_getfd sys_pidfd_getfd

1
arch/m68k/kernel/syscalls/syscall.tbl
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@ -435,3 +435,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
# 435 reserved for clone3 # 435 reserved for clone3
438 common pidfd_getfd sys_pidfd_getfd

1
arch/microblaze/kernel/syscalls/syscall.tbl
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@ -441,3 +441,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
435 common clone3 sys_clone3 435 common clone3 sys_clone3
438 common pidfd_getfd sys_pidfd_getfd

1
arch/mips/kernel/syscalls/syscall_n32.tbl
View file

@ -374,3 +374,4 @@
433 n32 fspick sys_fspick 433 n32 fspick sys_fspick
434 n32 pidfd_open sys_pidfd_open 434 n32 pidfd_open sys_pidfd_open
435 n32 clone3 __sys_clone3 435 n32 clone3 __sys_clone3
438 n32 pidfd_getfd sys_pidfd_getfd

1
arch/mips/kernel/syscalls/syscall_n64.tbl
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@ -350,3 +350,4 @@
433 n64 fspick sys_fspick 433 n64 fspick sys_fspick
434 n64 pidfd_open sys_pidfd_open 434 n64 pidfd_open sys_pidfd_open
435 n64 clone3 __sys_clone3 435 n64 clone3 __sys_clone3
438 n64 pidfd_getfd sys_pidfd_getfd

1
arch/mips/kernel/syscalls/syscall_o32.tbl
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@ -423,3 +423,4 @@
433 o32 fspick sys_fspick 433 o32 fspick sys_fspick
434 o32 pidfd_open sys_pidfd_open 434 o32 pidfd_open sys_pidfd_open
435 o32 clone3 __sys_clone3 435 o32 clone3 __sys_clone3
438 o32 pidfd_getfd sys_pidfd_getfd

1
arch/parisc/kernel/syscalls/syscall.tbl
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@ -433,3 +433,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
435 common clone3 sys_clone3_wrapper 435 common clone3 sys_clone3_wrapper
438 common pidfd_getfd sys_pidfd_getfd

1
arch/powerpc/kernel/syscalls/syscall.tbl
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@ -517,3 +517,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
435 nospu clone3 ppc_clone3 435 nospu clone3 ppc_clone3
438 common pidfd_getfd sys_pidfd_getfd

1
arch/s390/kernel/syscalls/syscall.tbl
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@ -438,3 +438,4 @@
433 common fspick sys_fspick sys_fspick 433 common fspick sys_fspick sys_fspick
434 common pidfd_open sys_pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open sys_pidfd_open
435 common clone3 sys_clone3 sys_clone3 435 common clone3 sys_clone3 sys_clone3
438 common pidfd_getfd sys_pidfd_getfd sys_pidfd_getfd

1
arch/sh/kernel/syscalls/syscall.tbl
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@ -438,3 +438,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
# 435 reserved for clone3 # 435 reserved for clone3
438 common pidfd_getfd sys_pidfd_getfd

1
arch/sparc/kernel/syscalls/syscall.tbl
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@ -481,3 +481,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
# 435 reserved for clone3 # 435 reserved for clone3
438 common pidfd_getfd sys_pidfd_getfd

1
arch/x86/entry/syscalls/syscall_32.tbl
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@ -440,3 +440,4 @@
433 i386 fspick sys_fspick __ia32_sys_fspick 433 i386 fspick sys_fspick __ia32_sys_fspick
434 i386 pidfd_open sys_pidfd_open __ia32_sys_pidfd_open 434 i386 pidfd_open sys_pidfd_open __ia32_sys_pidfd_open
435 i386 clone3 sys_clone3 __ia32_sys_clone3 435 i386 clone3 sys_clone3 __ia32_sys_clone3
438 i386 pidfd_getfd sys_pidfd_getfd __ia32_sys_pidfd_getfd

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

@ -357,6 +357,7 @@
433 common fspick __x64_sys_fspick 433 common fspick __x64_sys_fspick
434 common pidfd_open __x64_sys_pidfd_open 434 common pidfd_open __x64_sys_pidfd_open
435 common clone3 __x64_sys_clone3/ptregs 435 common clone3 __x64_sys_clone3/ptregs
438 common pidfd_getfd __x64_sys_pidfd_getfd
# #
# x32-specific system call numbers start at 512 to avoid cache impact # x32-specific system call numbers start at 512 to avoid cache impact

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

@ -406,3 +406,4 @@
433 common fspick sys_fspick 433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open 434 common pidfd_open sys_pidfd_open
435 common clone3 sys_clone3 435 common clone3 sys_clone3
438 common pidfd_getfd sys_pidfd_getfd

1
include/linux/syscalls.h
View file

@ -1000,6 +1000,7 @@ asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags)
asmlinkage long sys_pidfd_send_signal(int pidfd, int sig, asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
siginfo_t __user *info, siginfo_t __user *info,
unsigned int flags); unsigned int flags);
asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
/* /*
* Architecture-specific system calls * Architecture-specific system calls

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

@ -850,9 +850,11 @@ __SYSCALL(__NR_pidfd_open, sys_pidfd_open)
#define __NR_clone3 435 #define __NR_clone3 435
__SYSCALL(__NR_clone3, sys_clone3) __SYSCALL(__NR_clone3, sys_clone3)
#endif #endif
#define __NR_pidfd_getfd 438
__SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
#undef __NR_syscalls #undef __NR_syscalls
#define __NR_syscalls 436 #define __NR_syscalls 439
/* /*
* 32 bit systems traditionally used different * 32 bit systems traditionally used different