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Message-ID: <20190516130144.pxtwmambov2bpsup@brauner.io>
Date: Thu, 16 May 2019 15:01:45 +0200
From: Christian Brauner <christian@...uner.io>
To: David Howells <dhowells@...hat.com>
Cc: torvalds@...ux-foundation.org, viro@...iv.linux.org.uk,
Arnd Bergmann <arnd@...db.de>, linux-fsdevel@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] uapi: Wire up the mount API syscalls on non-x86
arches [ver #2]
On Thu, May 16, 2019 at 12:52:34PM +0100, David Howells wrote:
> Wire up the mount API syscalls on non-x86 arches.
>
> Reported-by: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: David Howells <dhowells@...hat.com>
> Reviewed-by: Arnd Bergmann <arnd@...db.de>
Reviewed-by: Christian Brauner <christian@...uner.io>
> ---
>
> arch/alpha/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/arm/tools/syscall.tbl | 6 ++++++
> arch/arm64/include/asm/unistd.h | 2 +-
> arch/arm64/include/asm/unistd32.h | 12 ++++++++++++
> arch/ia64/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/m68k/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/microblaze/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/mips/kernel/syscalls/syscall_n32.tbl | 6 ++++++
> arch/mips/kernel/syscalls/syscall_n64.tbl | 6 ++++++
> arch/mips/kernel/syscalls/syscall_o32.tbl | 6 ++++++
> arch/parisc/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/powerpc/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/s390/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/sh/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/sparc/kernel/syscalls/syscall.tbl | 6 ++++++
> arch/xtensa/kernel/syscalls/syscall.tbl | 6 ++++++
> include/uapi/asm-generic/unistd.h | 14 +++++++++++++-
> 17 files changed, 110 insertions(+), 2 deletions(-)
>
> diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
> index 165f268beafc..9e7704e44f6d 100644
> --- a/arch/alpha/kernel/syscalls/syscall.tbl
> +++ b/arch/alpha/kernel/syscalls/syscall.tbl
> @@ -467,3 +467,9 @@
> 535 common io_uring_setup sys_io_uring_setup
> 536 common io_uring_enter sys_io_uring_enter
> 537 common io_uring_register sys_io_uring_register
> +538 common open_tree sys_open_tree
> +539 common move_mount sys_move_mount
> +540 common fsopen sys_fsopen
> +541 common fsconfig sys_fsconfig
> +542 common fsmount sys_fsmount
> +543 common fspick sys_fspick
> diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
> index 0393917eaa57..aaf479a9e92d 100644
> --- a/arch/arm/tools/syscall.tbl
> +++ b/arch/arm/tools/syscall.tbl
> @@ -441,3 +441,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
> index f2a83ff6b73c..70e6882853c0 100644
> --- a/arch/arm64/include/asm/unistd.h
> +++ b/arch/arm64/include/asm/unistd.h
> @@ -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 428
> +#define __NR_compat_syscalls 434
> #endif
>
> #define __ARCH_WANT_SYS_CLONE
> diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
> index 23f1a44acada..c39e90600bb3 100644
> --- a/arch/arm64/include/asm/unistd32.h
> +++ b/arch/arm64/include/asm/unistd32.h
> @@ -874,6 +874,18 @@ __SYSCALL(__NR_io_uring_setup, sys_io_uring_setup)
> __SYSCALL(__NR_io_uring_enter, sys_io_uring_enter)
> #define __NR_io_uring_register 427
> __SYSCALL(__NR_io_uring_register, sys_io_uring_register)
> +#define __NR_open_tree 428
> +__SYSCALL(__NR_open_tree, sys_open_tree)
> +#define __NR_move_mount 429
> +__SYSCALL(__NR_move_mount, sys_move_mount)
> +#define __NR_fsopen 430
> +__SYSCALL(__NR_fsopen, sys_fsopen)
> +#define __NR_fsconfig 431
> +__SYSCALL(__NR_fsconfig, sys_fsconfig)
> +#define __NR_fsmount 432
> +__SYSCALL(__NR_fsmount, sys_fsmount)
> +#define __NR_fspick 433
> +__SYSCALL(__NR_fspick, sys_fspick)
>
> /*
> * Please add new compat syscalls above this comment and update
> diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl
> index 56e3d0b685e1..e01df3f2f80d 100644
> --- a/arch/ia64/kernel/syscalls/syscall.tbl
> +++ b/arch/ia64/kernel/syscalls/syscall.tbl
> @@ -348,3 +348,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl
> index df4ec3ec71d1..7e3d0734b2f3 100644
> --- a/arch/m68k/kernel/syscalls/syscall.tbl
> +++ b/arch/m68k/kernel/syscalls/syscall.tbl
> @@ -427,3 +427,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl
> index 4964947732af..26339e417695 100644
> --- a/arch/microblaze/kernel/syscalls/syscall.tbl
> +++ b/arch/microblaze/kernel/syscalls/syscall.tbl
> @@ -433,3 +433,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
> index 9392dfe33f97..0e2dd68ade57 100644
> --- a/arch/mips/kernel/syscalls/syscall_n32.tbl
> +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
> @@ -366,3 +366,9 @@
> 425 n32 io_uring_setup sys_io_uring_setup
> 426 n32 io_uring_enter sys_io_uring_enter
> 427 n32 io_uring_register sys_io_uring_register
> +428 n32 open_tree sys_open_tree
> +429 n32 move_mount sys_move_mount
> +430 n32 fsopen sys_fsopen
> +431 n32 fsconfig sys_fsconfig
> +432 n32 fsmount sys_fsmount
> +433 n32 fspick sys_fspick
> diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl
> index cd0c8aa21fba..5eebfa0d155c 100644
> --- a/arch/mips/kernel/syscalls/syscall_n64.tbl
> +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl
> @@ -342,3 +342,9 @@
> 425 n64 io_uring_setup sys_io_uring_setup
> 426 n64 io_uring_enter sys_io_uring_enter
> 427 n64 io_uring_register sys_io_uring_register
> +428 n64 open_tree sys_open_tree
> +429 n64 move_mount sys_move_mount
> +430 n64 fsopen sys_fsopen
> +431 n64 fsconfig sys_fsconfig
> +432 n64 fsmount sys_fsmount
> +433 n64 fspick sys_fspick
> diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
> index e849e8ffe4a2..3cc1374e02d0 100644
> --- a/arch/mips/kernel/syscalls/syscall_o32.tbl
> +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
> @@ -415,3 +415,9 @@
> 425 o32 io_uring_setup sys_io_uring_setup
> 426 o32 io_uring_enter sys_io_uring_enter
> 427 o32 io_uring_register sys_io_uring_register
> +428 o32 open_tree sys_open_tree
> +429 o32 move_mount sys_move_mount
> +430 o32 fsopen sys_fsopen
> +431 o32 fsconfig sys_fsconfig
> +432 o32 fsmount sys_fsmount
> +433 o32 fspick sys_fspick
> diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
> index fe8ca623add8..c9e377d59232 100644
> --- a/arch/parisc/kernel/syscalls/syscall.tbl
> +++ b/arch/parisc/kernel/syscalls/syscall.tbl
> @@ -424,3 +424,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
> index 00f5a63c8d9a..103655d84b4b 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -509,3 +509,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
> index 061418f787c3..e822b2964a83 100644
> --- a/arch/s390/kernel/syscalls/syscall.tbl
> +++ b/arch/s390/kernel/syscalls/syscall.tbl
> @@ -430,3 +430,9 @@
> 425 common io_uring_setup sys_io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree sys_open_tree
> +429 common move_mount sys_move_mount sys_move_mount
> +430 common fsopen sys_fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount sys_fsmount
> +433 common fspick sys_fspick sys_fspick
> diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
> index 480b057556ee..016a727d4357 100644
> --- a/arch/sh/kernel/syscalls/syscall.tbl
> +++ b/arch/sh/kernel/syscalls/syscall.tbl
> @@ -430,3 +430,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
> index a1dd24307b00..e047480b1605 100644
> --- a/arch/sparc/kernel/syscalls/syscall.tbl
> +++ b/arch/sparc/kernel/syscalls/syscall.tbl
> @@ -473,3 +473,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl
> index 30084eaf8422..5fa0ee1c8e00 100644
> --- a/arch/xtensa/kernel/syscalls/syscall.tbl
> +++ b/arch/xtensa/kernel/syscalls/syscall.tbl
> @@ -398,3 +398,9 @@
> 425 common io_uring_setup sys_io_uring_setup
> 426 common io_uring_enter sys_io_uring_enter
> 427 common io_uring_register sys_io_uring_register
> +428 common open_tree sys_open_tree
> +429 common move_mount sys_move_mount
> +430 common fsopen sys_fsopen
> +431 common fsconfig sys_fsconfig
> +432 common fsmount sys_fsmount
> +433 common fspick sys_fspick
> diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
> index dee7292e1df6..a87904daf103 100644
> --- a/include/uapi/asm-generic/unistd.h
> +++ b/include/uapi/asm-generic/unistd.h
> @@ -832,9 +832,21 @@ __SYSCALL(__NR_io_uring_setup, sys_io_uring_setup)
> __SYSCALL(__NR_io_uring_enter, sys_io_uring_enter)
> #define __NR_io_uring_register 427
> __SYSCALL(__NR_io_uring_register, sys_io_uring_register)
> +#define __NR_open_tree 428
> +__SYSCALL(__NR_open_tree, sys_open_tree)
> +#define __NR_move_mount 429
> +__SYSCALL(__NR_move_mount, sys_move_mount)
> +#define __NR_fsopen 430
> +__SYSCALL(__NR_fsopen, sys_fsopen)
> +#define __NR_fsconfig 431
> +__SYSCALL(__NR_fsconfig, sys_fsconfig)
> +#define __NR_fsmount 432
> +__SYSCALL(__NR_fsmount, sys_fsmount)
> +#define __NR_fspick 433
> +__SYSCALL(__NR_fspick, sys_fspick)
>
> #undef __NR_syscalls
> -#define __NR_syscalls 428
> +#define __NR_syscalls 434
>
> /*
> * 32 bit systems traditionally used different
>
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