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 Merge branches 'x86/apic', 'x86/defconfig', 'x86/memtest', 'x86/mm' and 'linus' into x86/core 2009-02-26 06:31:32 +01:00
crypto crypto: aes-ni - Add support to Intel AES-NI instructions for x86_64 platform 2009-02-18 16:48:06 +08:00
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 KVM: VMX: Don't allow uninhibited access to EFER on i386 2009-03-24 11:03:15 +02:00
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 x86: memcpy, clean up 2009-03-12 12:21:17 +01:00
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 x86: oprofile: don't set counter width from cpuid on Core2 2009-03-03 12:04:22 +01:00
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 x86, mm: rename TASK_SIZE64 => TASK_SIZE_MAX 2009-02-21 00:09:44 +01:00
video
xen x86: with the last user gone, remove set_pte_present 2009-03-19 14:04:19 +01:00
Kconfig x86, uv: add Kconfig dependency on NUMA for UV systems 2009-04-08 14:58:11 +02:00
Kconfig.cpu x86/centaur: merge 32 & 64 bit version 2009-03-14 16:27:29 +01:00
Kconfig.debug generic debug pagealloc: build fix 2009-04-02 19:04:48 -07:00
Makefile x86: use targets in the boot Makefile instead of CLEAN_FILES 2009-03-12 13:43:14 -07:00
Makefile_32.cpu x86: merge winchip-2 and winchip-2a cpu choices 2008-10-13 10:22:48 +02:00