[PATCH 031/109] ipc: add semget syscall wrapper

to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- ipc/sem.c | 7 ++- ipc/syscall.c | 4 ++-- ipc/util.h

[PATCH 066/109] fs: add ksys_mount() helper; remove in-kernel calls to sys_mount()

-off-by: Dominik Brodowski --- drivers/base/devtmpfs.c | 5 +++-- fs/namespace.c | 10 -- include/linux/syscalls.h | 3 +++ init/do_mounts.c | 4 ++-- init/do_mounts_initrd.c | 6 +++--- 5 files changed, 19 insertions(+), 9 deletions(-) diff --git a/drivers/base

[PATCH 069/109] fs: add ksys_chroot() helper; remove-in kernel calls to sys_chroot()

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- drivers/base/devtmpfs.c | 2 +- fs/open.c| 7 ++- include/linux/syscalls.h | 1 + init/do_mounts.c | 2 +- init/do_mounts_initrd.c | 4 ++-- 5 files

[PATCH 060/109] fs: add do_compat_signalfd4() helper; remove in-kernel call to compat syscall

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/signalfd.c | 17 - 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/fs/signalfd.c b/fs/signalfd.c index 501c41f3351f..d2187a813376

[PATCH 088/109] fs: add ksys_read() helper; remove in-kernel calls to sys_read()

-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- arch/s390/kernel/compat_linux.c | 2 +- fs/read_write.c

[PATCH 029/109] net: socket: add __compat_sys_...msg() helpers; remove in-kernel calls to compat syscalls

can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- net/compat.c | 37 ++--- 1 file changed, 30 insertions(+), 7 deletions

[PATCH 091/109] kernel: add ksys_setsid() helper; remove in-kernel call to sys_setsid()

-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Signed-off-by: Dominik Brodowski --- include/linux/syscalls.h | 1 + init/do_mounts_initrd.c | 2 +- kernel

[PATCH 104/109] net: remove compat_sys_*() prototypes from net/compat.h

As the syscall functions should only be called from the system call table but not from elsewhere in the kernel, it is sufficient that they are defined in linux/compat.h. Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- include/net/compat.h | 11 --- 1

[PATCH 100/109] x86: fix sys_sigreturn() return type to be long, not unsigned long

Tautschnig Reviewed-by: Thomas Gleixner Signed-off-by: Dominik Brodowski --- arch/x86/include/asm/syscalls.h | 2 +- arch/x86/kernel/signal.c| 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index

[PATCH 083/109] fs: add ksys_close() wrapper; remove in-kernel calls to sys_close()

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/autofs4/dev-ioctl.c | 2 +- fs/binfmt_misc.c | 2 +- fs/file.c| 1 + fs/open.c| 1 - include/linux

[PATCH 093/109] fs: add ksys_truncate() wrapper; remove in-kernel calls to sys_truncate()

series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- arch/mips/kernel/linux32.c

[PATCH 042/109] kernel: provide ksys_*() wrappers for syscalls called by kernel/uid16.c

Cc: Eric W. Biederman Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- kernel/sys.c | 58 ++ kernel/uid16.c | 19 ++- kernel/uid16.h | 14 ++ 3 files changed, 74 insertions(+), 17 deletions(-) create

[PATCH 108/109] kernel/sys_ni: remove {sys_,sys_compat} from cond_syscall definitions

This keeps it in line with the SYSCALL_DEFINEx() / COMPAT_SYSCALL_DEFINEx() calling convention. Signed-off-by: Dominik Brodowski --- Documentation/process/adding-syscalls.rst | 2 +- kernel/sys_ni.c | 433 +++--- 2 files changed, 219

[PATCH 079/109] fs: add ksys_fchmod() and do_fchmodat() helpers and ksys_chmod() wrapper; remove in-kernel calls to syscall

, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/internal.h| 2 ++ fs/open.c| 17 ++--- include/linux/syscalls.h | 8 init/initramfs.c

[PATCH 043/109] sched: add do_sched_yield() helper; remove in-kernel call to sched_yield()

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Ingo Molnar Cc: Peter Zijlstra Signed-off-by: Dominik Brodowski --- kernel/sched/core.c | 8 ++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index e7c535eee0a6

[PATCH 037/109] ipc: add msgctl syscall/compat_syscall wrappers

patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- ipc/msg.c

[PATCH 081/109] fs: add do_fchownat(), ksys_fchown() helpers and ksys_{,l}chown() wrappers

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- arch/s390/kernel/compat_linux.c | 6 +++--- fs/internal.h | 2 ++ fs/open.c | 23 +-- include/linux

[PATCH 087/109] fs: add ksys_lseek() helper; remove in-kernel calls to sys_lseek()

-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- fs/read_write.c | 9 +++-- include/linux/syscalls.h

[PATCH 049/109] fs: add do_pipe2() helper; remove internal call to sys_pipe2()

Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- fs/pipe.c | 9 +++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/pipe.c b/fs/pipe.c index 7b1954caf388..39d6f431da83 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -841,7 +841,7 @@ int do_pipe_flags(int *fd, int flags

[PATCH 065/109] fs/quota: use COMPAT_SYSCALL_DEFINE for sys32_quotactl()

While sys32_quotactl() is only needed on x86, it can use the recommended COMPAT_SYSCALL_DEFINEx() machinery for its setup. Acked-by: Jan Kara Cc: Christoph Hellwig Signed-off-by: Dominik Brodowski --- arch/x86/entry/syscalls/syscall_32.tbl | 2 +- fs/quota/compat.c | 5

[PATCH 054/109] fs: add do_eventfd() helper; remove internal call to sys_eventfd()

Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- fs/eventfd.c | 9 +++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/eventfd.c b/fs/eventfd.c index 012f5bd46dfa..08d3bd602f73 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -380,7 +380,7 @@ struct eventfd_ctx

[PATCH 012/109] net: socket: add __sys_bind() helper; remove in-kernel call to syscall

.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- include/linux/socket.h | 1 + net/compat.c | 2 +- net/socket.c | 9 +++-- 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/include/linux

[PATCH 034/109] ipc: add shmget syscall wrapper

to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- ipc/shm.c | 7 ++- ipc/syscall.c | 4 ++-- ipc/util.h

[PATCH 007/109] x86: remove compat_sys_x86_waitpid()

compat_sys_x86_waitpid() is not needed, as it takes the same parameters (int, *int, int) as the native syscall. Suggested-by: Al Viro Cc: Ingo Molnar Cc: Jiri Slaby Cc: x...@kernel.org Reviewed-by: Thomas Gleixner Signed-off-by: Dominik Brodowski --- arch/x86/entry/syscalls/syscall_32.tbl

[PATCH 102/109] kexec: move sys_kexec_load() prototype to syscalls.h

As the syscall function should only be called from the system call table but not from elsewhere in the kernel, move the prototype for sys_kexec_load() to include/syscall.h. Cc: Eric Biederman Cc: ke...@lists.infradead.org Signed-off-by: Dominik Brodowski --- include/linux/kexec.h| 4

[PATCH 001/109] syscalls: define and explain goal to not call syscalls in the kernel

which currently need to pretend to be userspace in order to make use of syscalls. Signed-off-by: Dominik Brodowski --- Documentation/process/adding-syscalls.rst | 32 +++ include/linux/syscalls.h | 7 +++ 2 files changed, 39 insertions(+) diff --git

[PATCH 025/109] net: socket: add __compat_sys_recvfrom() helper; remove in-kernel call to compat syscall

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- net/compat.c | 23 --- 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/net/compat.c b/net/compat.c index 9e0d030063ad

[PATCH 045/109] mm: add kernel_move_pages() helper, move compat syscall to mm/migrate.c

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: linux...@kvack.org Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- kernel/compat.c | 22 -- mm/migrate.c| 39 +++ 2 files changed, 35 insertions

[PATCH 056/109] fs: add do_vmsplice() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/splice.c | 12 +--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/fs/splice.c b/fs/splice.c index 39e2dc01ac12..005d09cf3fa8 100644 --- a/fs/splice.c +++ b

[PATCH 075/109] fs: add do_mkdirat() helper and ksys_mkdir() wrapper; remove in-kernel calls to syscall

...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/internal.h| 1 + fs/namei.c | 9 +++-- include/linux/syscalls.h | 7 +++ init/do_mounts_initrd.c | 2 +- init/initramfs.c | 2 +- init/noinitramfs.c | 4 ++-- 6 files

[PATCH 064/109] fs/quota: add kernel_quotactl() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Acked-by: Jan Kara Signed-off-by: Dominik Brodowski --- fs/quota/compat.c| 8 fs/quota/quota.c | 10 -- include/linux/quotaops.h | 3 +++ 3 files changed, 15 insertions(+), 6 deletions(-) diff --git a/fs/quota

[PATCH 067/109] fs: add ksys_umount() helper; remove in-kernel call to sys_umount()

/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- fs/namespace.c | 9 +++-- include/linux/syscalls.h | 1 + init/do_mounts_initrd.c | 2 +- 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/fs/namespace.c b/fs

[PATCH 062/109] inotify: add do_inotify_init() helper; remove in-kernel call to syscall

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Acked-by: Jan Kara Cc: Amir Goldstein Cc: linux-fsde...@vger.kernel.org Signed-off-by: Dominik Brodowski --- fs/notify/inotify/inotify_user.c | 9 +++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/notify/inotify

[PATCH 004/109] kexec: call do_kexec_load() in compat syscall directly

Cc: Eric Biederman Cc: ke...@lists.infradead.org Signed-off-by: Dominik Brodowski --- kernel/kexec.c | 52 +++- 1 file changed, 39 insertions(+), 13 deletions(-) diff --git a/kernel/kexec.c b/kernel/kexec.c index e62ec4dc6620..aed8fb2564b3 100644

[PATCH 027/109] net: socket: add __compat_sys_getsockopt() helper; remove in-kernel call to compat syscall

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- net/compat.c | 16 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/net/compat.c b/net/compat.c index 75bfcbbb2e3e

[PATCH 005/109] mm: use do_futex() instead of sys_futex() in mm_release()

Signed-off-by: Dominik Brodowski --- include/linux/futex.h | 13 ++--- kernel/fork.c | 4 ++-- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/include/linux/futex.h b/include/linux/futex.h index c0fb9a24bbd2..821ae502d3d8 100644 --- a/include/linux/futex.h +++ b

[PATCH 039/109] ipc: add msgsnd syscall/compat_syscall wrappers

patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- ipc/msg.c

[PATCH 047/109] mm: add kernel_[sg]et_mempolicy() helpers; remove in-kernel calls to syscalls

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: linux...@kvack.org Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- mm/mempolicy.c | 29 ++--- 1 file changed, 22 insertions(+), 7 deletions(-) diff --git a/mm/mempolicy.c b/mm

[PATCH 077/109] fs: add do_mknodat() helper and ksys_mknod() wrapper; remove in-kernel calls to syscall

...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/internal.h| 2 ++ fs/namei.c | 12 +--- include/linux/syscalls.h | 9 + init/do_mounts.h | 2 +- init/initramfs.c | 2 +- init/noinitramfs.c | 2 +- 6

[PATCH 095/109] fs: add ksys_fallocate() wrapper; remove in-kernel calls to sys_fallocate()

series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- arch/mips/kernel/linux32.c

[PATCH 089/109] fs: add ksys_sync() helper; remove in-kernel calls to sys_sync()

-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- arch/sparc/kernel/setup_32.c | 2 +- drivers/tty/sysrq.c

[PATCH 058/109] fs: add do_compat_fcntl64() helper; remove in-kernel call to compat syscall

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/fcntl.c | 12 +--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/fs/fcntl.c b/fs/fcntl.c index 1e97f1fda90c..d737ff082472 100644 --- a/fs

[PATCH 006/109] x86: use _do_fork() in compat_sys_x86_clone()

...@light.dominikbrodowski.net Cc: Ingo Molnar Cc: Jiri Slaby Cc: x...@kernel.org Reviewed-by: Thomas Gleixner Signed-off-by: Dominik Brodowski --- arch/x86/ia32/sys_ia32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c

[PATCH 063/109] fanotify: add do_fanotify_mark() helper; remove in-kernel call to syscall

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Acked-by: Jan Kara Cc: Amir Goldstein Cc: linux-fsde...@vger.kernel.org Signed-off-by: Dominik Brodowski --- fs/notify/fanotify/fanotify_user.c | 14 ++ 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/fs/notify

[PATCH 010/109] net: socket: add __sys_accept4() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- include/linux/socket.h | 2 ++ net/compat.c | 4 ++-- net/socket.c | 20 +--- 3 files changed, 17 insertions(+), 9 deletions(-) diff

[PATCH 085/109] fs: add ksys_getdents64() helper; remove in-kernel calls to sys_getdents64()

removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- fs/readdir.c | 11 +-- include/linux

[PATCH 015/109] net: socket: add __sys_getsockname() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- include/linux/socket.h | 2 ++ net/compat.c | 2 +- net/socket.c | 14 ++ 3 files changed, 13 insertions(+), 5 deletions(-) diff

[PATCH 021/109] net: socket: add do_sys_recvmmsg() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- net/socket.c | 17 - 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/net/socket.c b/net/socket.c index a05289b1f863..54d19b0edab1

[PATCH 059/109] fs: add do_compat_select() helper; remove in-kernel call to compat syscall

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/select.c | 17 - 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/fs/select.c b/fs/select.c index b5df01c4587d..ba879c51288f 100644 --- a

[PATCH 046/109] mm: add kernel_mbind() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: linux...@kvack.org Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- mm/mempolicy.c | 15 +++ 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 7399ede02b5f

[PATCH 019/109] net: socket: add __sys_setsockopt() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- include/linux/socket.h | 1 + net/socket.c | 13 ++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/include/linux/socket.h b

[PATCH 070/109] fs: add ksys_write() helper; remove in-kernel calls to sys_write()

...@light.dominikbrodowski.net Cc: Alexander Viro Cc: linux-s...@vger.kernel.org Signed-off-by: Dominik Brodowski --- arch/s390/kernel/compat_linux.c | 2 +- fs/read_write.c | 9 +++-- include/linux/syscalls.h| 1 + init/do_mounts_rd.c | 4 ++-- init/initramfs.c

[PATCH 071/109] fs: add ksys_chdir() helper; remove in-kernel calls to sys_chdir()

-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- drivers/base/devtmpfs.c | 2 +- fs/open.c

[PATCH 086/109] fs: add ksys_ioctl() helper; remove in-kernel calls to sys_ioctl()

Signed-off-by: Dominik Brodowski --- fs/ioctl.c | 7 ++- include/linux/syscalls.h | 1 + init/do_mounts.c | 8 init/do_mounts_initrd.c | 2 +- init/do_mounts_md.c | 15 --- init/do_mounts_rd.c | 4 ++-- 6 files changed, 22 insertions(+), 15

[PATCH 052/109] fs: add do_epoll_*() helpers; remove internal calls to sys_epoll_*()

://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- fs/eventpoll.c | 23 +-- 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 0f3494ed3ed0..602ca4285b2e

[PATCH 072/109] fs: add ksys_unlink() wrapper; remove in-kernel calls to sys_unlink()

...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- include/linux/syscalls.h | 11 +++ init/do_mounts.h | 2 +- init/do_mounts_initrd.c | 4 ++-- init/do_mounts_rd.c | 2 +- init/initramfs.c | 4 ++-- 5 files changed

[PATCH 050/109] fs: add do_renameat2() helper; remove internal call to sys_renameat2()

Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- fs/namei.c | 14 ++ 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 921ae32dbc80..524e829ffc7d 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -4478,8 +4478,8 @@ int vfs_rename(struct

[PATCH 008/109] net: socket: add __sys_recvfrom() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- include/linux/socket.h | 6 ++ net/compat.c | 3 ++- net/socket.c | 21 + 3 files changed, 21 insertions(+), 9 deletions

[PATCH 053/109] fs: add do_signalfd4() helper; remove internal calls to sys_signalfd4()

...@light.dominikbrodowski.net Cc: Alexander Viro Signed-off-by: Dominik Brodowski --- fs/signalfd.c | 14 ++ 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/fs/signalfd.c b/fs/signalfd.c index 76bf9cc62074..501c41f3351f 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -256,8 +256,8

[PATCH 073/109] hostfs: rename do_rmdir() to hostfs_do_rmdir()

do_rmdir() is used in the VFS layer at fs/namei.c, so use a different name in hostfs. Cc: Jeff Dike Cc: user-mode-linux-de...@lists.sourceforge.net Acked-by: Richard Weinberger Signed-off-by: Dominik Brodowski --- fs/hostfs/hostfs.h | 2 +- fs/hostfs/hostfs_kern.c | 2 +- fs/hostfs

[PATCH 098/109] mm: add ksys_readahead() helper; remove in-kernel calls to sys_readahead()

removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Andrew Morton Cc: linux...@kvack.org Signed-off-by: Dominik Brodowski --- arch/mips/kernel/linux32.c | 2

[PATCH 022/109] net: socket: move check for forbid_cmsg_compat to __sys_...msg()

/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- include/linux/socket.h | 13 + net/compat.c | 8 +--- net/socket.c | 38 +++--- 3 files

[PATCH 109/109] bpf: whitelist all syscalls for error injection

and COMPAT_SYSCALL_DEFINE for error injection. These changes are not intended to be considered stable, and would normally be configured off. Signed-off-by: Howard McLauchlan Signed-off-by: Dominik Brodowski --- include/linux/compat.h | 3 +++ include/linux/syscalls.h | 3 +++ 2 files changed,

[PATCH 000/109] remove in-kernel calls to syscalls

[ While most parts of this patch set have been sent out already at least once, I send out *all* patches to lkml once again as this whole series touches several different subsystems in sensitive areas. ] System calls are interaction points between userspace and the kernel. Therefore, system cal

[PATCH 020/109] net: socket: add __sys_getsockopt() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- net/socket.c | 14 ++ 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/net/socket.c b/net/socket.c index 5dd2e39a6cd4..a05289b1f863 100644

[PATCH 099/109] x86/ioport: add ksys_ioperm() helper; remove in-kernel calls to sys_ioperm()

-by: Dominik Brodowski --- arch/x86/include/asm/syscalls.h | 1 + arch/x86/kernel/ioport.c| 7 ++- drivers/tty/vt/vt_ioctl.c | 6 +++--- 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index

[PATCH 084/109] fs: add ksys_open() wrapper; remove in-kernel calls to sys_open()

-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/open.c| 2 +- include/linux

[PATCH 107/109] kernel/sys_ni: sort cond_syscall() entries

-off-by: Dominik Brodowski --- kernel/sys_ni.c | 506 +--- 1 file changed, 332 insertions(+), 174 deletions(-) diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 951dbda5c2b4..0c1538f5a559 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c

[PATCH 017/109] net: socket: add __sys_socketpair() helper; remove in-kernel call to syscall

/20180325162527.ga17...@light.dominikbrodowski.net Cc: David S. Miller Cc: net...@vger.kernel.org Signed-off-by: Dominik Brodowski --- include/linux/socket.h | 2 ++ net/compat.c | 2 +- net/socket.c | 11 --- 3 files changed, 11 insertions(+), 4 deletions(-) diff

[PATCH 105/109] syscalls: sort syscall prototypes in include/linux/compat.h

exception to this, add the prefix "asmlinkage" where it was missing. Cc: Arnd Bergmann Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- include/linux/compat.h | 655 - 1 file changed, 378 insertions(+), 277 deletions(-) diff --git

[PATCH 074/109] fs: add ksys_rmdir() wrapper; remove in-kernel calls to sys_rmdir()

-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- fs/internal.h| 1 + fs/namei.c

[PATCH 092/109] fs: add ksys_sync_file_range helper(); remove in-kernel calls to syscall

which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.ga17...@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- arch/mips/kernel/linux32.c

[PATCH 101/109] x86/sigreturn: use SYSCALL_DEFINE0

een Cc: x...@kernel.org Reviewed-by: Thomas Gleixner Signed-off-by: Dominik Brodowski --- arch/x86/kernel/signal.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 83a26726b689..da270b95fe4d 100644 --- a/arch/x86/kernel/sign

Re: [PATCH 000/109] remove in-kernel calls to syscalls

On Thu, Mar 29, 2018 at 07:20:27AM -0700, Matthew Wilcox wrote: > On Thu, Mar 29, 2018 at 01:22:37PM +0200, Dominik Brodowski wrote: > > At least on 64-bit x86, it will likely be a hard requirement from v4.17 > > onwards to not call system call functions in the kernel: It is better

Re: [PATCH 000/109] remove in-kernel calls to syscalls

On Thu, Mar 29, 2018 at 02:46:44PM +, David Laight wrote: > From: Dominik Brodowski > > Sent: 29 March 2018 15:42 > > On Thu, Mar 29, 2018 at 07:20:27AM -0700, Matthew Wilcox wrote: > > > On Thu, Mar 29, 2018 at 01:22:37PM +0200, Dominik Brodowski wrote: > > >

Re: [PATCH 13/18] kernel: add kcompat_sys_{f,}statfs64()

On Tue, May 15, 2018 at 10:53:51AM +0100, Mark Rutland wrote: > On Mon, May 14, 2018 at 10:34:14PM +0200, Dominik Brodowski wrote: > > On Mon, May 14, 2018 at 06:14:28PM +0100, Mark Rutland wrote: > > > On Mon, May 14, 2018 at 10:46:35AM +0100, Mark Rutland wrote: > > &

Re: [PATCH 08/18] arm64: convert raw syscall invocation to C

On Tue, May 15, 2018 at 09:22:23AM +0100, Mark Rutland wrote: > On Mon, May 14, 2018 at 10:24:45PM +0200, Dominik Brodowski wrote: > > On Mon, May 14, 2018 at 12:41:10PM +0100, Mark Rutland wrote: > > > I agree it would be nicer if it had a wrapper that took a pt_regs, eve

Re: [PATCH] drivers: pcmcia: This patch fix the following checkpatch warning.

On Tue, Apr 16, 2019 at 08:45:44PM +0300, Mohan Kumar wrote: > Switch hardcoded function name with a reference to __func__ making the > code more maintainable Thanks for your patch. Are there any other patches pending to this driver? As noted in Kconfig, the TCIC host briges "are only found on a

fs_context-related oops in mainline

David, Al, commit 23bf1b6be9c2 ("kernfs, sysfs, cgroup, intel_rdt: Support fs_context") seems to have introduced a bug; at least that's the commit I bisected the following oops down to: [0.827317] BUG: unable to handle kernel NULL pointer dereference at 0220 [0.829771] #PF er

Re: fs_context-related oops in mainline

On Fri, Mar 15, 2019 at 11:34:47AM +, Al Viro wrote: > On Fri, Mar 15, 2019 at 08:43:07AM +0100, Dominik Brodowski wrote: > > David, Al, > > > > commit 23bf1b6be9c2 ("kernfs, sysfs, cgroup, intel_rdt: Support fs_context") > > seems to have introduce

Re: fs_context-related oops in mainline

On Fri, Mar 15, 2019 at 11:44:45AM +, David Howells wrote: > Dominik Brodowski wrote: > > > [0.839322] RIP: 0010:sysfs_init_fs_context+0x82/0xd0 > > Could you load your kernel into gdb and then do: > > i li *sysfs_init_fs_context+0x82 Doesn't seem n

Re: fs_context-related oops in mainline

On Fri, Mar 15, 2019 at 12:18:13PM +, Al Viro wrote: > On Fri, Mar 15, 2019 at 12:50:02PM +0100, Dominik Brodowski wrote: > > On Fri, Mar 15, 2019 at 11:44:45AM +, David Howells wrote: > > > Dominik Brodowski wrote: > > > > > > > [0.839322] RI

Re: [PATCH] pcmcia: Switch to using the new API kobj_to_dev()

Am Tue, Feb 23, 2021 at 05:26:50PM +0800 schrieb Yang Li: > fixed the following coccicheck: > ./drivers/pcmcia/cistpl.c:1584:53-54: WARNING opportunity for > kobj_to_dev() > > Reported-by: Abaci Robot > Signed-off-by: Yang Li Sorry, an equivalent patch is already in pcmcia-next and about to be

Re: [PATCH 1/2] docs: Make syscalls' helpers naming consistent

_xyzzy()`, and so are all the helpers declared bellow it. Change the > documentation to reflect this. > > Cc: Dominik Brodowski > Fixes: 819671ff849b ("syscalls: define and explain goal to not call syscalls > in the kernel") > Signed-off-by: André Almeida Reviewed-by: Dominik Brodowski Thanks, Dominik

Re: [PATCH] cpufreq: Remove CPUFREQ_STICKY flag

Viresh, Am Mon, Feb 01, 2021 at 01:35:51PM +0530 schrieb Viresh Kumar: > The removal of such a driver is avoided if the driver carries the > CPUFREQ_STICKY flag. This was added way back [1] in 2004 and perhaps no > one should ever need it now. A lot of driver do set this flag, probably > because t

[GIT PULL] pcmcia updates for v5.12

Linus, A lone PCMCIA change since commit e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62: Linux 5.11-rc2 (2021-01-03 15:55:30 -0800) is available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux.git pcmcia-next for you to fetch changes up to 4ce6b242b78d355ba8

Re: [PATCH] init: fix msleep() is not accurate

Am Fri, Dec 11, 2020 at 11:24:12AM +0800 schrieb Yejune Deng: > See Documentation/timers/timers-howto.rst, msleep() is not > for (1ms - 20ms),use usleep_range() instead. While technically correct, this branch is only taken if the "rootwait" kernel parameter is passed -- and as the kernel is loopin

Re: [PATCH] pcmcia: Remove NEC VRC4173 CARDU

Am Wed, Sep 16, 2020 at 10:16:29AM +0200 schrieb Sebastian Andrzej Siewior: > This driver is the very definition of bitrotting: > - Introduced in commit > 79a140932c776 ("[PATCH] mips: vR41xx updates") > which is 2.6.11-rc3. > > - Provides ->register_callback which was removed in commit > 7f

Re: [PATCH] pcmcia: omap: Fix error return code in omap_cf_probe()

Am Wed, Nov 25, 2020 at 08:50:57PM +0800 schrieb Wang ShaoBo: > Fix to return proper error code instaed of 0 in omap_cf_probe(), as done > elsewhere in this function. > > Signed-off-by: Wang ShaoBo Applied to pcmcia-next. Thanks, Dominik

Re: [PATCH] drivers/pcmcia: Fix error return code in electra_cf_probe()

Am Tue, Nov 24, 2020 at 03:00:40PM +0800 schrieb Wei Li: > When it fails to call of_get_property(), it just jumps to 'fail1', > while the 'status' which will be returned is not updated. > > Fixes: 2b571a066a2f ("pcmcia: CompactFlash driver for PA Semi Electra boards") > Signed-off-by: Wei Li Thn

Re: [PATCH 1/2] pcmcia: at91_cf: move definitions locally

Am Tue, Nov 24, 2020 at 12:07:30PM +0100 schrieb Alexandre Belloni: > On Wed, 30 Sep 2020 20:48:02 +0200, Alexandre Belloni wrote: > > struct at91_cf_data is only used in the driver since all the platforms moved > > to device tree, move its definition locally. > > I've now applied those patches on

Re: [PATCH] pcmcia: db1xxx_ss: remove unneeded semicolon

Am Thu, Sep 10, 2020 at 10:05:24PM +0800 schrieb Jason Yan: > Eliminate the following coccicheck warning: > > drivers/pcmcia/db1xxx_ss.c:455:2-3: Unneeded semicolon > > Reported-by: Hulk Robot > Signed-off-by: Jason Yan Applied to pcmcia-next. Thanks, Dominik

Re: [PATCH REPOST] pcmcia: Remove NEC VRC4173 CARDU

Am Fri, Dec 04, 2020 at 08:20:09PM +0100 schrieb Sebastian Andrzej Siewior: > On 2020-11-19 18:06:24 [+0100], To linux-kernel@vger.kernel.org wrote: > > On 2020-11-13 22:34:08 [+0100], To linux-kernel@vger.kernel.org wrote: > > > This driver is the very definition of bitrotting: > > > - Introduced

Re: [PATCH] pcmcia/electra_cf: Fix some return values in 'electra_cf_probe()' in case of error

Am Wed, Jun 17, 2020 at 09:53:26PM +0200 schrieb Christophe JAILLET: > 'status' is known to be 0 at this point. It must be set to a meaningful > value in order to return an error code if one of the 'of_get_property()' > call fails. > > Return -EINVAL in such a case. > > Fixes: 2b571a066a2f("pcmci

[GIT PULL] pcmcia updates for v5.11

Linus, The following changes since commit b3298500b23f0b53a8d81e0d5ad98a29db71f4f0: Merge tag 'for-5.10/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm (2020-12-04 13:28:39 -0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linu

Re: [PATCH] pcmcia: ds: Remove if with always false condition

Am Mon, Mar 01, 2021 at 06:38:47PM +0100 schrieb Uwe Kleine-König: > pcmcia_device_remove() is only ever called by the driver core with > dev->driver pointing to a valid driver. (And even if dev->driver was > NULL, p_drv wouldn't be NULL as p_drv is assigned as follows: > > p_drv = to_pcmcia

Re: [PATCH 0/6] Rid W=1 warnings from PCMCIA

Am Fri, Mar 12, 2021 at 11:02:33AM + schrieb Lee Jones: > This set is part of a larger effort attempting to clean-up W=1 > kernel builds, which are currently overwhelmingly riddled with > niggly little warnings. > > Lee Jones (6): > pcmcia: rsrc_nonstatic: Demote kernel-doc abuses > pcmc

Re: [PATCH] pcmcia: Switch to using the new API kobj_to_dev()

Am Mon, Jan 04, 2021 at 09:59:30AM +0800 schrieb Tian Tao: > fixed the following coccicheck: > drivers/pcmcia/cistpl.c:1557:54-55: WARNING opportunity for kobj_to_dev() > drivers/pcmcia/cistpl.c:1584:53-54: WARNING opportunity for kobj_to_dev() > > Signed-off-by: Tian Tao Applied to pcmcia-next,

lockdep warning on thunderbolt docking

When connecting a thunderbolt-enabled docking station to my work laptop, the following lockdep warning is reported on v5.3.0-rc6+ as of Thursday morning (can look up the exact git id if so required): thunderbolt 0-1: new device found, vendor=0xd4 device=0xb070 thunderbolt 0-1: Dell WD19TB Thunder

[PATCH] random: inform about bootloader-provided randomness

Inform how many bits of randomness were provided by the bootloader, and whether we trust that input. Signed-off-by: Dominik Brodowski Cc: Ard Biesheuvel Cc: Hsin-Yi Wang Cc: Stephen Boyd Cc: Rob Herring Cc: Theodore Ts'o Cc: Will Deacon diff --git a/drivers/char/random.c b/drivers

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