linux/arch/x86
John Stultz 24e4a8c3e8 ktime: Kill non-scalar ktime_t implementation for 2038
The non-scalar ktime_t implementation is basically a timespec
which has to be changed to support dates past 2038 on 32bit
systems.

This patch removes the non-scalar ktime_t implementation, forcing
the scalar s64 nanosecond version on all architectures.

This may have additional performance overhead on some 32bit
systems when converting between ktime_t and timespec structures,
however the majority of 32bit systems (arm and i386) were already
using scalar ktime_t, so no performance regressions will be seen
on those platforms.

On affected platforms, I'm open to finding optimizations, including
avoiding converting to timespecs where possible.

[ tglx: We can now cleanup the ktime_t.tv64 mess, but thats a
  different issue and we can throw a coccinelle script at it ]

Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
2014-07-23 10:16:50 -07:00
..
boot x86, kaslr: boot-time selectable with hibernation 2014-06-16 23:30:44 +02:00
configs
crypto crypto: sha512_ssse3 - fix byte count to bit count conversion 2014-06-25 21:55:02 +08:00
ia32
include ptrace,x86: force IRET path after a ptrace_stop() 2014-07-03 17:27:23 -07:00
kernel Merge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-06-27 18:43:03 -07:00
kvm Merge commit '33b458d276bb' into kvm-master 2014-06-30 16:45:40 +02:00
lguest
lib Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-06-12 19:18:49 -07:00
math-emu
mm Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-06-12 19:18:49 -07:00
net net: filter: cleanup A/X name usage 2014-06-11 00:13:16 -07:00
oprofile
pci x86: enable DMA CMA with swiotlb 2014-06-04 16:53:57 -07:00
platform x86: intel-mid: add watchdog platform code for Merrifield 2014-06-10 21:48:20 +02:00
power
realmode
syscalls
tools
um
vdso x86-32, vdso: Fix vDSO build error due to missing align_vdso_addr() 2014-07-10 16:06:04 -07:00
video
xen xen: regression and PVH fixes for 3.16-rc1 2014-06-19 07:53:27 -10:00
.gitignore
Kbuild
Kconfig ktime: Kill non-scalar ktime_t implementation for 2038 2014-07-23 10:16:50 -07:00
Kconfig.cpu
Kconfig.debug
Makefile
Makefile.um
Makefile_32.cpu