From: Arnd Bergmann <arnd@xxxxxxxx>
Going through compat_alloc_user_space() to convert indirect system call
arguments tends to add complexity compared to handling the native and
compat logic in the same code.
There is one other trivial patch I resent for the atomisp staging driver
and a longer series for networking ioctls that I need to revalidate
before submitting again.
Sorry for the long delay before resending this. Once everyone is happy
with the latest version, I would add it to the asm-generic tree for
a 5.14 merge.
Arnd
---
Changes in v3:
- fix whitespace as pointed out by Christoph Hellwig
- minor build fixes
- rebase to v5.13-rc1
Changes in v2:
- address review comments from Christoph Hellwig
- split syscall removal into a separate patch
- replace __X32_COND_SYSCALL() with individual macros for x32
Link: https://lore.kernel.org/lkml/20201208150614.GA15765@xxxxxxxxxxxxx/
Arnd Bergmann (4):
kexec: simplify compat_sys_kexec_load
mm: simplify compat_sys_move_pages
mm: simplify compat numa syscalls
compat: remove some compat entry points
arch/arm64/include/asm/unistd32.h | 12 +-
arch/mips/kernel/syscalls/syscall_n32.tbl | 12 +-
arch/mips/kernel/syscalls/syscall_o32.tbl | 12 +-
arch/parisc/kernel/syscalls/syscall.tbl | 10 +-
arch/powerpc/kernel/syscalls/syscall.tbl | 12 +-
arch/s390/kernel/syscalls/syscall.tbl | 12 +-
arch/sparc/kernel/syscalls/syscall.tbl | 12 +-
arch/x86/entry/syscall_x32.c | 2 +
arch/x86/entry/syscalls/syscall_32.tbl | 6 +-
arch/x86/entry/syscalls/syscall_64.tbl | 4 +-
include/linux/compat.h | 43 +----
include/linux/kexec.h | 2 -
include/uapi/asm-generic/unistd.h | 12 +-
kernel/kexec.c | 90 ++++------
kernel/sys_ni.c | 5 -
mm/mempolicy.c | 195 +++++-----------------
mm/migrate.c | 50 +++---
17 files changed, 164 insertions(+), 327 deletions(-)
--
2.29.2
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: linux-arch <linux-arch@xxxxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Eric Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Linux ARM <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: Linux-MM <linux-mm@xxxxxxxxx>
Cc: kexec@xxxxxxxxxxxxxxxxxxx
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