linux/arch/sparc64
David S. Miller a0663a79ad [SPARC64]: Fix TLB context allocation with SMT style shared TLBs.
The context allocation scheme we use depends upon there being a 1<-->1
mapping from cpu to physical TLB for correctness.  Chips like Niagara
break this assumption.

So what we do is notify all cpus with a cross call when the context
version number changes, and if necessary this makes them allocate
a valid context for the address space they are running at the time.

Stress tested with make -j1024, make -j2048, and make -j4096 kernel
builds on a 32-strand, 8 core, T2000 with 16GB of ram.

Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20 01:14:00 -08:00
..
boot [SPARC64]: Add .gitignore file for sparc64 boot images. 2006-02-05 00:15:11 -08:00
kernel [SPARC64]: Fix TLB context allocation with SMT style shared TLBs. 2006-03-20 01:14:00 -08:00
lib [SPARC64]: Niagara optimized memset/bzero/clear_user. 2006-03-20 01:13:50 -08:00
math-emu [SPARC64] math-emu: Delete debugging printk left by previous commit. 2006-03-20 01:13:53 -08:00
mm [SPARC64]: Fix TLB context allocation with SMT style shared TLBs. 2006-03-20 01:14:00 -08:00
oprofile [PATCH] Move Kprobes and Oprofile to "Instrumentation Support" menu 2005-11-07 07:53:35 -08:00
prom [SPARC64]: Args to SUNW,set-trap-table are 64-bit. 2006-03-20 01:13:48 -08:00
solaris [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
defconfig [SPARC64]: Update defconfig. 2006-02-07 18:12:34 -08:00
Kconfig Make Kprobes depend on modules 2006-02-26 20:24:40 -08:00
Kconfig.debug [PATCH] Move Kprobes and Oprofile to "Instrumentation Support" menu 2005-11-07 07:53:35 -08:00
Makefile [SPARC64]: Stop putting -finline-limit=XXX into CFLAGS 2005-12-20 14:53:05 -08:00