original_kernel/arch/sparc64/kernel
David S. Miller 816242da37 [SPARC64]: Add boot option to force UltraSPARC-III P-Cache on.
Older UltraSPARC-III chips have a P-Cache bug that makes us disable it
by default at boot time.

However, this does hurt performance substantially, particularly with
memcpy(), and the bug is _incredibly_ obscure.  I have never seen it
triggered in practice, ever.

So provide a "-P" boot option that forces the P-Cache on.  It taints
the kernel, so if it does trigger and cause some data corruption or
OOPS, we will find out in the logs that this option was on when it
happened.

Signed-off-by: David S. Miller <davem@davemloft.net>
2005-05-23 15:52:08 -07:00
..
Makefile
auxio.c
binfmt_aout32.c
binfmt_elf32.c
central.c
chmc.c
cpu.c
devices.c
dtlb_backend.S
dtlb_base.S
dtlb_prot.S
ebus.c
entry.S
etrap.S
head.S
idprom.c
init_task.c
ioctl32.c
iommu_common.c
iommu_common.h
irq.c [SPARC64]: Disable IRQ forwarding. 2005-05-03 22:05:43 -07:00
isa.c
itlb_base.S
kprobes.c
module.c
pci.c
pci_common.c
pci_impl.h
pci_iommu.c [SPARC64]: Fix bad performance side effect of strbuf timeout changes. 2005-05-20 11:40:32 -07:00
pci_psycho.c
pci_sabre.c
pci_schizo.c
power.c
process.c [SPARC]: Remove legacy stuff from cpu_idle(). 2005-05-05 14:53:01 -07:00
ptrace.c [PATCH] convert that currently tests _NSIG directly to use valid_signal() 2005-05-01 08:59:14 -07:00
rtrap.S
sbus.c [SPARC64]: Fix bad performance side effect of strbuf timeout changes. 2005-05-20 11:40:32 -07:00
semaphore.c
setup.c [SPARC64]: Add boot option to force UltraSPARC-III P-Cache on. 2005-05-23 15:52:08 -07:00
signal.c
signal32.c
smp.c [SPARC64]: Add boot option to force UltraSPARC-III P-Cache on. 2005-05-23 15:52:08 -07:00
sparc64_ksyms.c [SPARC64]: Kill useless __pte_alloc_one_kernel indirection 2005-05-05 14:27:56 -07:00
starfire.c
sunos_ioctl32.c
sys32.S
sys_sparc.c
sys_sparc32.c
sys_sunos32.c
systbls.S
time.c
trampoline.S
traps.c [SPARC64]: Add boot option to force UltraSPARC-III P-Cache on. 2005-05-23 15:52:08 -07:00
ttable.S
unaligned.c
us2e_cpufreq.c
us3_cpufreq.c
vmlinux.lds.S
winfixup.S