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Subject[PATCH v3 0/2] Syscall user redirection
Date
Hi,

This is the v3 of the syscall user redirection patch, applying the
suggestions from Matthew and Kees. In particular, it modifies the ABI
to allow passing a range of allowed addresses and introduces kselftests
for the feature.

RFC/v1: https://lkml.org/lkml/2020/7/8/96
v2: https://lkml.org/lkml/2020/7/9/17

Gabriel Krisman Bertazi (2):
kernel: Implement selective syscall userspace redirection
selftests: Add kselftest for syscall user dispatch

arch/Kconfig | 20 ++
arch/x86/Kconfig | 1 +
arch/x86/entry/common.c | 5 +
arch/x86/include/asm/thread_info.h | 4 +-
arch/x86/kernel/signal_compat.c | 2 +-
fs/exec.c | 2 +
include/linux/sched.h | 3 +
include/linux/syscall_user_dispatch.h | 50 ++++
include/uapi/asm-generic/siginfo.h | 3 +-
include/uapi/linux/prctl.h | 5 +
kernel/Makefile | 1 +
kernel/fork.c | 1 +
kernel/sys.c | 5 +
kernel/syscall_user_dispatch.c | 92 +++++++
tools/testing/selftests/Makefile | 1 +
.../syscall_user_dispatch/.gitignore | 1 +
.../selftests/syscall_user_dispatch/Makefile | 5 +
.../selftests/syscall_user_dispatch/config | 1 +
.../syscall_user_dispatch.c | 259 ++++++++++++++++++
19 files changed, 458 insertions(+), 3 deletions(-)
create mode 100644 include/linux/syscall_user_dispatch.h
create mode 100644 kernel/syscall_user_dispatch.c
create mode 100644 tools/testing/selftests/syscall_user_dispatch/.gitignore
create mode 100644 tools/testing/selftests/syscall_user_dispatch/Makefile
create mode 100644 tools/testing/selftests/syscall_user_dispatch/config
create mode 100644 tools/testing/selftests/syscall_user_dispatch/syscall_user_dispatch.c

--
2.27.0

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