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Message-ID: <CAK8P3a3dYscBOj-v+OJK6QJk_ruuhKO0GaXW1ZjXfjCqGAfJFA@mail.gmail.com>
Date: Sat, 15 Sep 2018 17:47:03 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Deepa Dinamani <deepa.kernel@...il.com>,
y2038 Mailman List <y2038@...ts.linaro.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Christoph Hellwig <hch@...radead.org>,
Linux API <linux-api@...r.kernel.org>
Subject:
Hi Thomas,
Please pull the system call changes into a branch of the tip tree.
These are the ones I posted right after rc1, with the addition of
two bug fixes that were contributed by Guenther and the kbuild test
robot.
I've had the changes in linux-next since then and not received
any other bug reports or feedback.
I panicked a little at one point when I realized that there is
a sparc64 specific bug in some of my patches, but I then
found that at least this series is not affected at all.
Arnd
The following changes since commit 5b394b2ddf0347bef56e50c69a58773c94343ff3:
Linux 4.19-rc1 (2018-08-26 14:11:59 -0700)
are available in the Git repository at:
git+ssh://git@...kernel.org:/pub/scm/linux/kernel/git/arnd/playground.git
tags/y2038
for you to fetch changes up to 67314ec7b0250290cc85eaa7a2f88a8ddb9e8547:
RISC-V: Request newstat syscalls (2018-09-05 22:44:21 +0200)
----------------------------------------------------------------
y2038: convert more syscalls
Here is another set of system call changes to prepare the change over to
64-bit time_t. As before, the strategy is to change system calls that
take a 'struct timespec' argument over to 'struct __kernel_timespec',
which for now is defined to be the same but will get redefined to use a
64-bit time_t argument once we are ready to modify the system call tables.
The major change from previous patches is that the plan is no longer
to directly use the 'compat' system calls for providing compatibility
with the existing 32-bit time_t based entry points. Instead, we rename
the compat code to something that makes more sense on 32-bit architectures,
e.g. compat_timespec becomes old_timespec32.
With the renamed types in place, we change over the 'stat' and 'utimes'
families of system calls, sched_rr_get_interval, recvmmsg and
rt_sigtimedwait. Another series for poll, select and io_pgetevents is
currently being tested.
----------------------------------------------------------------
Arnd Bergmann (14):
y2038: remove unused time interfaces
y2038: make do_gettimeofday() and get_seconds() inline
y2038: globally rename compat_time to old_time32
y2038: Remove newstat family from default syscall set
y2038: Remove stat64 family from default syscall set
asm-generic: Move common compat types to asm-generic/compat.h
asm-generic: Remove unneeded __ARCH_WANT_SYS_LLSEEK macro
asm-generic: Remove empty asm/unistd.h
y2038: Change sys_utimensat() to use __kernel_timespec
y2038: Compile utimes()/futimesat() conditionally
y2038: utimes: Rework #ifdef guards for compat syscalls
y2038: sched: Change sched_rr_get_interval to use __kernel_timespec
y2038: socket: Change recvmmsg to use __kernel_timespec
y2038: signal: Change rt_sigtimedwait to use __kernel_timespec
Guenter Roeck (1):
RISC-V: Request newstat syscalls
kbuild test robot (1):
y2038: __get_old_timespec32() can be static
arch/alpha/include/asm/unistd.h | 2 ++
arch/arc/include/uapi/asm/unistd.h | 1 +
arch/arm/include/asm/unistd.h | 4 ++--
arch/arm64/include/asm/compat.h | 26 +++++---------------------
arch/arm64/include/asm/stat.h | 2 +-
arch/arm64/include/asm/unistd.h | 2 +-
arch/arm64/include/uapi/asm/unistd.h | 1 +
arch/c6x/include/uapi/asm/unistd.h | 1 +
arch/h8300/include/uapi/asm/unistd.h | 1 +
arch/hexagon/include/uapi/asm/unistd.h | 1 +
arch/ia64/include/asm/unistd.h | 3 +++
arch/m68k/include/asm/unistd.h | 2 +-
arch/microblaze/include/asm/unistd.h | 2 +-
arch/mips/include/asm/compat.h | 28 +++++-----------------------
arch/mips/include/asm/unistd.h | 3 ++-
arch/mips/kernel/binfmt_elfn32.c | 14 +++++++-------
arch/mips/kernel/binfmt_elfo32.c | 14 +++++++-------
arch/nds32/include/uapi/asm/unistd.h | 1 +
arch/nios2/include/uapi/asm/unistd.h | 1 +
arch/openrisc/include/uapi/asm/unistd.h | 1 +
arch/parisc/include/asm/compat.h | 24 +++++-------------------
arch/parisc/include/asm/unistd.h | 3 ++-
arch/powerpc/include/asm/compat.h | 24 +++++-------------------
arch/powerpc/include/asm/unistd.h | 3 ++-
arch/powerpc/kernel/asm-offsets.c | 8 ++++----
arch/powerpc/oprofile/backtrace.c | 2 +-
arch/riscv/include/asm/unistd.h | 1 +
arch/s390/include/asm/compat.h | 18 ++----------------
arch/s390/include/asm/unistd.h | 3 ++-
arch/sh/include/asm/unistd.h | 2 +-
arch/sparc/include/asm/compat.h | 25 +++++--------------------
arch/sparc/include/asm/unistd.h | 3 ++-
arch/unicore32/include/uapi/asm/unistd.h | 1 +
arch/x86/include/asm/compat.h | 19 ++-----------------
arch/x86/include/asm/unistd.h | 3 ++-
arch/xtensa/include/asm/unistd.h | 2 +-
fs/aio.c | 8 ++++----
fs/compat_binfmt_elf.c | 2 +-
fs/read_write.c | 2 +-
fs/select.c | 20 ++++++++++----------
fs/stat.c | 3 +++
fs/timerfd.c | 12 ++++++------
fs/utimes.c | 73
+++++++++++++++++++++++++++++++++++--------------------------------------
include/asm-generic/compat.h | 24 +++++++++++++++++++++++-
include/asm-generic/unistd.h | 13 -------------
include/linux/compat.h | 101
+++++++++++++++++++++++++++++++++++++++++++++++------------------------------------------------------
include/linux/compat_time.h | 32 --------------------------------
include/linux/elfcore-compat.h | 8 ++++----
include/linux/restart_block.h | 4 ++--
include/linux/socket.h | 4 ++--
include/linux/syscalls.h | 21 ++++++++++++---------
include/linux/time32.h | 78
+++++++++++++++++++++++++++++++++++++++++-------------------------------------
include/linux/timekeeping.h | 12 ------------
include/linux/timekeeping32.h | 53
+++++++----------------------------------------------
include/uapi/asm-generic/unistd.h | 2 ++
ipc/mqueue.c | 8 ++++----
ipc/msg.c | 6 +++---
ipc/sem.c | 10 +++++-----
ipc/shm.c | 6 +++---
ipc/syscall.c | 2 +-
ipc/util.h | 2 +-
kernel/compat.c | 8 ++++----
kernel/futex_compat.c | 2 +-
kernel/sched/core.c | 8 ++++----
kernel/signal.c | 19 ++++++++++---------
kernel/time/hrtimer.c | 8 ++++----
kernel/time/posix-stubs.c | 18 +++++++++---------
kernel/time/posix-timers.c | 30 +++++++++++++++---------------
kernel/time/time.c | 97
++++++++++++++++++++++++++++++++++++++-----------------------------------------------------------
kernel/time/timekeeping.c | 24 ------------------------
net/compat.c | 10 +++++-----
net/socket.c | 18 ++++++++----------
72 files changed, 398 insertions(+), 601 deletions(-)
delete mode 100644 include/asm-generic/unistd.h
delete mode 100644 include/linux/compat_time.h
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