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Message-ID: <CAK8P3a38Q_yhiyODpFd6ZqLv=QyKRmCm8FOMuSr4RPvGtWNPYw@mail.gmail.com>
Date: Wed, 27 Nov 2019 14:36:16 +0100
From: Arnd Bergmann <arnd@...db.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: y2038 Mailman List <y2038@...ts.linaro.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Thomas Gleixner <tglx@...utronix.de>,
linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
Linux API <linux-api@...r.kernel.org>
Subject: [GIT PULL] y2038: syscall implementation cleanups
The following changes since commit a99d8080aaf358d5d23581244e5da23b35e340b9:
Linux 5.4-rc6 (2019-11-03 14:07:26 -0800)
are available in the Git repository at:
git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground.git
tags/y2038-cleanups-5.5
for you to fetch changes up to b111df8447acdeb4b9220f99d5d4b28f83eb56ad:
y2038: alarm: fix half-second cut-off (2019-11-25 21:52:35 +0100)
----------------------------------------------------------------
y2038: syscall implementation cleanups
This is a series of cleanups for the y2038 work, mostly intended
for namespace cleaning: the kernel defines the traditional
time_t, timeval and timespec types that often lead to y2038-unsafe
code. Even though the unsafe usage is mostly gone from the kernel,
having the types and associated functions around means that we
can still grow new users, and that we may be missing conversions
to safe types that actually matter.
There are still a number of driver specific patches needed to
get the last users of these types removed, those have been
submitted to the respective maintainers.
Link: https://lore.kernel.org/lkml/20191108210236.1296047-1-arnd@arndb.de/
Signed-off-by: Arnd Bergmann <arnd@...db.de>
----------------------------------------------------------------
Arnd Bergmann (26):
y2038: remove CONFIG_64BIT_TIME
y2038: add __kernel_old_timespec and __kernel_old_time_t
y2038: vdso: change timeval to __kernel_old_timeval
y2038: vdso: change timespec to __kernel_old_timespec
y2038: vdso: change time_t to __kernel_old_time_t
y2038: vdso: nds32: open-code timespec_add_ns()
y2038: vdso: powerpc: avoid timespec references
y2038: ipc: remove __kernel_time_t reference from headers
y2038: stat: avoid 'time_t' in 'struct stat'
y2038: uapi: change __kernel_time_t to __kernel_old_time_t
y2038: rusage: use __kernel_old_timeval
y2038: syscalls: change remaining timeval to __kernel_old_timeval
y2038: socket: remove timespec reference in timestamping
y2038: socket: use __kernel_old_timespec instead of timespec
y2038: make ns_to_compat_timeval use __kernel_old_timeval
y2038: elfcore: Use __kernel_old_timeval for process times
y2038: timerfd: Use timespec64 internally
y2038: time: avoid timespec usage in settimeofday()
y2038: itimer: compat handling to itimer.c
y2038: use compat_{get,set}_itimer on alpha
y2038: move itimer reset into itimer.c
y2038: itimer: change implementation to timespec64
y2038: allow disabling time32 system calls
y2038: fix typo in powerpc vdso "LOPART"
y2038: ipc: fix x32 ABI breakage
y2038: alarm: fix half-second cut-off
arch/Kconfig | 11 +-
arch/alpha/kernel/osf_sys.c | 67 +----------
arch/alpha/kernel/syscalls/syscall.tbl | 4 +-
arch/ia64/kernel/asm-offsets.c | 2 +-
arch/mips/include/uapi/asm/msgbuf.h | 6 +-
arch/mips/include/uapi/asm/sembuf.h | 4 +-
arch/mips/include/uapi/asm/shmbuf.h | 6 +-
arch/mips/include/uapi/asm/stat.h | 16 +--
arch/mips/kernel/binfmt_elfn32.c | 4 +-
arch/mips/kernel/binfmt_elfo32.c | 4 +-
arch/nds32/kernel/vdso/gettimeofday.c | 61 +++++-----
arch/parisc/include/uapi/asm/msgbuf.h | 6 +-
arch/parisc/include/uapi/asm/sembuf.h | 4 +-
arch/parisc/include/uapi/asm/shmbuf.h | 6 +-
arch/powerpc/include/asm/asm-prototypes.h | 3 +-
arch/powerpc/include/asm/vdso_datapage.h | 6 +-
arch/powerpc/include/uapi/asm/msgbuf.h | 6 +-
arch/powerpc/include/uapi/asm/sembuf.h | 4 +-
arch/powerpc/include/uapi/asm/shmbuf.h | 6 +-
arch/powerpc/include/uapi/asm/stat.h | 2 +-
arch/powerpc/kernel/asm-offsets.c | 18 ++-
arch/powerpc/kernel/syscalls.c | 4 +-
arch/powerpc/kernel/time.c | 5 +-
arch/powerpc/kernel/vdso32/gettimeofday.S | 6 +-
arch/powerpc/kernel/vdso64/gettimeofday.S | 8 +-
arch/sparc/include/uapi/asm/msgbuf.h | 6 +-
arch/sparc/include/uapi/asm/sembuf.h | 4 +-
arch/sparc/include/uapi/asm/shmbuf.h | 6 +-
arch/sparc/include/uapi/asm/stat.h | 24 ++--
arch/sparc/vdso/vclock_gettime.c | 36 +++---
arch/x86/entry/vdso/vclock_gettime.c | 6 +-
arch/x86/entry/vsyscall/vsyscall_64.c | 4 +-
arch/x86/include/uapi/asm/msgbuf.h | 6 +-
arch/x86/include/uapi/asm/sembuf.h | 4 +-
arch/x86/include/uapi/asm/shmbuf.h | 6 +-
arch/x86/um/vdso/um_vdso.c | 12 +-
fs/aio.c | 2 +-
fs/binfmt_elf.c | 12 +-
fs/binfmt_elf_fdpic.c | 12 +-
fs/compat_binfmt_elf.c | 4 +-
fs/select.c | 10 +-
fs/timerfd.c | 14 +--
fs/utimes.c | 8 +-
include/linux/compat.h | 19 +--
include/linux/skbuff.h | 7 +-
include/linux/syscalls.h | 16 +--
include/linux/time.h | 9 +-
include/linux/time32.h | 2 +-
include/linux/types.h | 2 +-
include/trace/events/timer.h | 16 +--
include/uapi/asm-generic/msgbuf.h | 12 +-
include/uapi/asm-generic/posix_types.h | 1 +
include/uapi/asm-generic/sembuf.h | 7 +-
include/uapi/asm-generic/shmbuf.h | 12 +-
include/uapi/linux/cyclades.h | 6 +-
include/uapi/linux/elfcore.h | 8 +-
include/uapi/linux/errqueue.h | 7 ++
include/uapi/linux/msg.h | 6 +-
include/uapi/linux/ppp_defs.h | 4 +-
include/uapi/linux/resource.h | 4 +-
include/uapi/linux/sem.h | 4 +-
include/uapi/linux/shm.h | 6 +-
include/uapi/linux/time.h | 6 +-
include/uapi/linux/time_types.h | 5 +
include/uapi/linux/utime.h | 4 +-
ipc/syscall.c | 2 +-
kernel/compat.c | 24 ----
kernel/power/power.h | 2 +-
kernel/sys.c | 4 +-
kernel/sys_ni.c | 23 ++++
kernel/time/hrtimer.c | 2 +-
kernel/time/itimer.c | 189 +++++++++++++++++++++---------
kernel/time/time.c | 32 +++--
lib/vdso/gettimeofday.c | 4 +-
net/compat.c | 2 +-
net/core/scm.c | 6 +-
net/ipv4/tcp.c | 28 +++--
net/socket.c | 4 +-
security/selinux/hooks.c | 10 +-
79 files changed, 472 insertions(+), 468 deletions(-)
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