[PATCH v2 5/7] arch: hookup fchroot() system call
Christian Brauner <[email protected]> Fri, 24 Jul 2026 15:41:21 +0200
| Newsgroups | org.kernel.vger.linux-api,org.kernel.vger.linux-doc,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Wire up the fchroot() system call as number 472 on (nearly) all architectures and sync the mirrored copies of the syscall tables and the asm-generic unistd.h under tools/. Signed-off-by: Christian Brauner (Amutable) <[email protected]> --- arch/alpha/kernel/syscalls/syscall.tbl | 1 + arch/arm/tools/syscall.tbl | 1 + arch/arm64/tools/syscall_32.tbl | 1 + arch/m68k/kernel/syscalls/syscall.tbl | 1 + arch/microblaze/kernel/syscalls/syscall.tbl | 1 + arch/mips/kernel/syscalls/syscall_n32.tbl | 1 + arch/mips/kernel/syscalls/syscall_n64.tbl | 1 + arch/mips/kernel/syscalls/syscall_o32.tbl | 1 + arch/parisc/kernel/syscalls/syscall.tbl | 1 + arch/powerpc/kernel/syscalls/syscall.tbl | 1 + arch/s390/kernel/syscalls/syscall.tbl | 1 + arch/sh/kernel/syscalls/syscall.tbl | 1 + arch/sparc/kernel/syscalls/syscall.tbl | 1 + arch/x86/entry/syscalls/syscall_32.tbl | 1 + arch/x86/entry/syscalls/syscall_64.tbl | 1 + arch/xtensa/kernel/syscalls/syscall.tbl | 1 + include/uapi/asm-generic/unistd.h | 6 +++++- scripts/syscall.tbl | 1 + tools/include/uapi/asm-generic/unistd.h | 6 +++++- tools/perf/arch/x86/entry/syscalls/syscall_64.tbl | 1 + tools/scripts/syscall.tbl | 1 + 21 files changed, 29 insertions(+), 2 deletions(-) diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index f31b7afffc34..52e3538cc7df 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -511,3 +511,4 @@ 579 common file_setattr sys_file_setattr 580 common listns sys_listns 581 common rseq_slice_yield sys_rseq_slice_yield +582 common fchroot sys_fchroot diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index 94351e22bfcf..55717ed32c27 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -486,3 +486,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/arm64/tools/syscall_32.tbl b/arch/arm64/tools/syscall_32.tbl index 62d93d88e0fe..df2d1d82fb3c 100644 --- a/arch/arm64/tools/syscall_32.tbl +++ b/arch/arm64/tools/syscall_32.tbl @@ -483,3 +483,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl index 248934257101..ba7a4d8903d0 100644 --- a/arch/m68k/kernel/syscalls/syscall.tbl +++ b/arch/m68k/kernel/syscalls/syscall.tbl @@ -471,3 +471,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl index 223d26303627..c55a5c96f49b 100644 --- a/arch/microblaze/kernel/syscalls/syscall.tbl +++ b/arch/microblaze/kernel/syscalls/syscall.tbl @@ -477,3 +477,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index 7430714e2b8f..9ae88e4eac61 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -410,3 +410,4 @@ 469 n32 file_setattr sys_file_setattr 470 n32 listns sys_listns 471 n32 rseq_slice_yield sys_rseq_slice_yield +472 n32 fchroot sys_fchroot diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index 630aab9e5425..83dc93a0712f 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -386,3 +386,4 @@ 469 n64 file_setattr sys_file_setattr 470 n64 listns sys_listns 471 n64 rseq_slice_yield sys_rseq_slice_yield +472 n64 fchroot sys_fchroot diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 128653112284..9c62429c9b7b 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -459,3 +459,4 @@ 469 o32 file_setattr sys_file_setattr 470 o32 listns sys_listns 471 o32 rseq_slice_yield sys_rseq_slice_yield +472 o32 fchroot sys_fchroot diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index c6331dad9461..88adc4016cce 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -470,3 +470,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 4fcc7c58a105..cfbb70039ff0 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -562,3 +562,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 nospu rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index 09a7ef04d979..1b45e68a217b 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -398,3 +398,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index 70b315cbe710..ace068dff0de 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -475,3 +475,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index 7e71bf7fcd14..5b9fe0e8140f 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -517,3 +517,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index f832ebd2d79b..2c172ef48dfd 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -477,3 +477,4 @@ 469 i386 file_setattr sys_file_setattr 470 i386 listns sys_listns 471 i386 rseq_slice_yield sys_rseq_slice_yield +472 i386 fchroot sys_fchroot diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index 524155d655da..d5b6045b0090 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -396,6 +396,7 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot # # Due to a historical design error, certain syscalls are numbered differently diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl index a9bca4e484de..d354bb231796 100644 --- a/arch/xtensa/kernel/syscalls/syscall.tbl +++ b/arch/xtensa/kernel/syscalls/syscall.tbl @@ -442,3 +442,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index a627acc8fb5f..5b7e77a7c736 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -863,8 +863,12 @@ __SYSCALL(__NR_listns, sys_listns) #define __NR_rseq_slice_yield 471 __SYSCALL(__NR_rseq_slice_yield, sys_rseq_slice_yield) +/* fs/open.c */ +#define __NR_fchroot 472 +__SYSCALL(__NR_fchroot, sys_fchroot) + #undef __NR_syscalls -#define __NR_syscalls 472 +#define __NR_syscalls 473 /* * 32 bit systems traditionally used different diff --git a/scripts/syscall.tbl b/scripts/syscall.tbl index 7a42b32b6577..0ab531605120 100644 --- a/scripts/syscall.tbl +++ b/scripts/syscall.tbl @@ -412,3 +412,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h index a627acc8fb5f..5b7e77a7c736 100644 --- a/tools/include/uapi/asm-generic/unistd.h +++ b/tools/include/uapi/asm-generic/unistd.h @@ -863,8 +863,12 @@ __SYSCALL(__NR_listns, sys_listns) #define __NR_rseq_slice_yield 471 __SYSCALL(__NR_rseq_slice_yield, sys_rseq_slice_yield) +/* fs/open.c */ +#define __NR_fchroot 472 +__SYSCALL(__NR_fchroot, sys_fchroot) + #undef __NR_syscalls -#define __NR_syscalls 472 +#define __NR_syscalls 473 /* * 32 bit systems traditionally used different diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl index 524155d655da..d5b6045b0090 100644 --- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl +++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl @@ -396,6 +396,7 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot # # Due to a historical design error, certain syscalls are numbered differently diff --git a/tools/scripts/syscall.tbl b/tools/scripts/syscall.tbl index 7a42b32b6577..0ab531605120 100644 --- a/tools/scripts/syscall.tbl +++ b/tools/scripts/syscall.tbl @@ -412,3 +412,4 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common fchroot sys_fchroot -- 2.53.0