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Martin Schwidefsky d54853ef8c [S390] ETR support. ... This patch adds support for clock synchronization to an external time reference (ETR). The external time reference sends an oscillator signal and a synchronization signal every 2^20 microseconds to keep the TOD clocks of all connected servers in sync. For availability two ETR units can be connected to a machine. If the clock deviates for more than the sync-check tolerance all cpus get a machine check that indicates that the clock is out of sync. For the lovely details how to get the clock back in sync see the code below. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		18 years ago
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Makefile	…
asm-offsets.c	…
audit.c	…
binfmt_elf32.c	…
bitmap.S	…
compat_audit.c	…
compat_exec_domain.c	…
compat_linux.c	[S390] noexec protection	18 years ago
compat_linux.h	[S390] noexec protection	18 years ago
compat_ptrace.h	…
compat_signal.c	[S390] noexec protection	18 years ago
compat_wrapper.S	…
cpcmd.c	…
crash.c	…
debug.c	…
ebcdic.c	…
entry.S	…
entry64.S	…
head.S	…
head31.S	…
head64.S	…
init_task.c	…
ipl.c	[S390] noexec protection	18 years ago
irq.c	…
kprobes.c	…
machine_kexec.c	…
module.c	…
process.c	[S390] noexec protection	18 years ago
ptrace.c	[S390] noexec protection	18 years ago
reipl.S	…
reipl64.S	…
relocate_kernel.S	…
relocate_kernel64.S	…
reset.S	…
s390_ext.c	[S390] ETR support.	18 years ago
s390_ksyms.c	…
semaphore.c	…
setup.c	[S390] noexec protection	18 years ago
signal.c	[S390] noexec protection	18 years ago
smp.c	[S390] ETR support.	18 years ago
stacktrace.c	…
sys_s390.c	…
syscalls.S	…
time.c	[S390] ETR support.	18 years ago
traps.c	…
vmlinux.lds.S	…
vtime.c	[S390] ETR support.	18 years ago