linux/arch/x86
mike.travis@hpe.com bbbd2b51a2 x86/platform/UV: Use new set memory block size function
Add a call to the new function to "adjust" the current fixed UV memory
block size of 2GB so it can be changed to a different physical boundary.
This accommodates changes in the Intel BIOS, and therefore UV BIOS,
which now can align boundaries different than the previous UV standard
of 2GB.  It also flags any UV Global Address boundaries from BIOS that
cause a change in the mem block size (boundary).

The current boundary of 2GB has been used on UV since the first system
release in 2009 with Linux 2.6 and has worked fine.  But the new NVDIMM
persistent memory modules (PMEM), along with the Intel BIOS changes to
support these modules caused the memory block size boundary to be set
to a lower limit.  Intel only guarantees that this minimum boundary at
64MB though the current Linux limit is 128MB.

Note that the default remains 2GB if no changes occur.

Signed-off-by: Mike Travis <mike.travis@hpe.com>
Reviewed-by: Andrew Banman <andrew.banman@hpe.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dimitri Sivanich <dimitri.sivanich@hpe.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <russ.anderson@hpe.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dan.j.williams@intel.com
Cc: jgross@suse.com
Cc: kirill.shutemov@linux.intel.com
Cc: mhocko@suse.com
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/lkml/20180524201711.732785782@stormcage.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-06-21 16:14:45 +02:00
..
boot x86/mm: Decouple dynamic __PHYSICAL_MASK from AMD SME 2018-06-06 13:38:01 +02:00
configs
crypto crypto: x86/des3_ede - des3_ede_skciphers[] can be static 2018-03-09 22:45:53 +08:00
entry x86/vdso: Remove unused file 2018-05-06 12:22:31 +02:00
events perf/x86/cstate: Fix possible Spectre-v1 indexing for pkg_msr 2018-05-05 08:37:31 +02:00
hyperv x86/hyper-v: allocate and use Virtual Processor Assist Pages 2018-03-28 22:47:06 +02:00
ia32 syscalls/x86: auto-create compat_sys_*() prototypes 2018-04-02 20:16:18 +02:00
include x86/apic: Provide apic_ack_irq() 2018-06-06 15:18:20 +02:00
kernel x86/platform/UV: Use new set memory block size function 2018-06-21 16:14:45 +02:00
kvm Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-05-26 13:24:16 -07:00
lib Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-04-02 15:16:43 -07:00
math-emu
mm x86/platform/UV: Add adjustable set memory block size function 2018-06-21 16:14:45 +02:00
net bpf, x64: fix memleak when not converging on calls 2018-05-02 12:35:47 -07:00
oprofile x86/oprofile: Fix bogus GCC-8 warning in nmi_setup() 2018-02-21 09:54:17 +01:00
pci Merge branch 'x86-dma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-04-02 17:18:45 -07:00
platform x86/platform/uv: Use apic_ack_irq() 2018-06-06 15:18:21 +02:00
power x86/power/64: Fix page-table setup for temporary text mapping 2018-04-20 11:52:00 +02:00
purgatory kernel/kexec_file.c: move purgatories sha256 to common code 2018-04-13 17:10:28 -07:00
ras
realmode x86-64/realmode: Add instruction suffix 2018-02-20 09:33:41 +01:00
tools x86: Treat R_X86_64_PLT32 as R_X86_64_PC32 2018-02-22 09:01:10 -08:00
um Merge git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml 2018-04-11 16:36:47 -07:00
video
xen x86/xen: Add call of speculative_store_bypass_ht_init() to PV paths 2018-06-21 10:55:52 +02:00
.gitignore
Kbuild
Kconfig x86/mm: Decouple dynamic __PHYSICAL_MASK from AMD SME 2018-06-06 13:38:01 +02:00
Kconfig.cpu Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-03-25 07:36:02 -10:00
Kconfig.debug
Makefile x86/build: Remove unnecessary preparation for purgatory 2018-06-21 12:55:05 +02:00
Makefile.um
Makefile_32.cpu