linux_dsm_epyc7002/arch/x86
Cliff Wickman 4ea3c51d5b x86: UV BAU distribution and payload MMRs
This patch correctly sets BAU memory mapped registers to point
to the sending activation descriptor table and target payload table.

The "Broadcast Assist Unit" is used for TLB shootdown in UV.

The memory mapped registers that point to sending and receiving
memory structures contain node numbers.

In one case the __pa() function did not provide the node id of
memory on blade zero in configurations where that id is nonzero.
In another case, it was assumed that memory was allocated on
the local node.  That assumption is not true in a configuration
in which the node has no memory.

Tested on the UV hardware simulator.

[ Impact: fix possible runtime crash due to incorrect TLB logic ]

Signed-off-by: Cliff Wickman <cpw@sgi.com>
LKML-Reference: <E1LuR5Z-0007An-B8@eag09.americas.sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-16 19:44:16 +02:00
..
boot Merge branch 'dma-debug' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent 2009-04-03 16:35:09 +02:00
configs
crypto
ia32 preadv/pwritev: Add preadv and pwritev system calls. 2009-04-02 19:05:08 -07:00
include/asm x86: UV BAU messaging timeouts 2009-04-03 18:25:27 +02:00
kernel x86: UV BAU distribution and payload MMRs 2009-04-16 19:44:16 +02:00
kvm
lguest Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-lguest-and-virtio 2009-03-30 17:57:39 -07:00
lib
math-emu Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2 2009-03-27 17:28:43 +01:00
mm x86, mm: fix misuse of debug_kmap_atomic 2009-04-02 16:37:04 +02:00
oprofile
pci Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-04-01 09:47:12 -07:00
power pm: rework includes, remove arch ifdefs 2009-04-01 08:59:16 -07:00
vdso
video
xen
Kconfig x86, uv: add Kconfig dependency on NUMA for UV systems 2009-04-08 14:58:11 +02:00
Kconfig.cpu
Kconfig.debug generic debug pagealloc: build fix 2009-04-02 19:04:48 -07:00
Makefile
Makefile_32.cpu