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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-04 20:27:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-04 20:27:54 -0700
commit0bbcce5d1ef3f771a349896f1c7574d20dc6f4bd (patch)
tree8a26c5f63eac55cbedff506bba22d32f8669fd5c /arch/Kconfig
parentMerge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (diff)
parentclocksource/drivers/mxs_timer: Switch to SPDX identifier (diff)
downloadlinux-dev-0bbcce5d1ef3f771a349896f1c7574d20dc6f4bd.tar.xz
linux-dev-0bbcce5d1ef3f771a349896f1c7574d20dc6f4bd.zip
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timers and timekeeping updates from Thomas Gleixner: - Core infrastucture work for Y2038 to address the COMPAT interfaces: + Add a new Y2038 safe __kernel_timespec and use it in the core code + Introduce config switches which allow to control the various compat mechanisms + Use the new config switch in the posix timer code to control the 32bit compat syscall implementation. - Prevent bogus selection of CPU local clocksources which causes an endless reselection loop - Remove the extra kthread in the clocksource code which has no value and just adds another level of indirection - The usual bunch of trivial updates, cleanups and fixlets all over the place - More SPDX conversions * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) clocksource/drivers/mxs_timer: Switch to SPDX identifier clocksource/drivers/timer-imx-tpm: Switch to SPDX identifier clocksource/drivers/timer-imx-gpt: Switch to SPDX identifier clocksource/drivers/timer-imx-gpt: Remove outdated file path clocksource/drivers/arc_timer: Add comments about locking while read GFRC clocksource/drivers/mips-gic-timer: Add pr_fmt and reword pr_* messages clocksource/drivers/sprd: Fix Kconfig dependency clocksource: Move inline keyword to the beginning of function declarations timer_list: Remove unused function pointer typedef timers: Adjust a kernel-doc comment tick: Prefer a lower rating device only if it's CPU local device clocksource: Remove kthread time: Change nanosleep to safe __kernel_* types time: Change types to new y2038 safe __kernel_* types time: Fix get_timespec64() for y2038 safe compat interfaces time: Add new y2038 safe __kernel_timespec posix-timers: Make compat syscalls depend on CONFIG_COMPAT_32BIT_TIME time: Introduce CONFIG_COMPAT_32BIT_TIME time: Introduce CONFIG_64BIT_TIME in architectures compat: Enable compat_get/put_timespec64 always ...
Diffstat (limited to 'arch/Kconfig')
-rw-r--r--arch/Kconfig15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index b624634daea6..b695a3e3e922 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -871,6 +871,21 @@ config OLD_SIGACTION
config COMPAT_OLD_SIGACTION
bool
+config 64BIT_TIME
+ def_bool ARCH_HAS_64BIT_TIME
+ help
+ This should be selected by all architectures that need to support
+ new system calls with a 64-bit time_t. This is relevant on all 32-bit
+ architectures, and 64-bit architectures as part of compat syscall
+ handling.
+
+config COMPAT_32BIT_TIME
+ def_bool (!64BIT && 64BIT_TIME) || COMPAT
+ help
+ This enables 32 bit time_t support in addition to 64 bit time_t support.
+ This is relevant on all 32-bit architectures, and 64-bit architectures
+ as part of compat syscall handling.
+
config ARCH_NO_COHERENT_DMA_MMAP
bool