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Paul Burton 6605d156bd MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems
When discovering the number of VPEs per core, smp_num_siblings will be
incorrect for kernels built without support for the MIPS MultiThreading
(MT) ASE running on systems which implement said ASE. This leads to
accesses to VPEs in secondary cores being performed incorrectly since
mips_cm_vp_id calculates the wrong ID to write to the local "other"
registers. Fix this by examining the number of VPEs in the core as
reported by the CM.

This patch presumes that the number of VPEs will be the same in each
core of the system. As this path only applies to systems with CM version
2.5 or lower, and this property is true of all such known systems, this
is likely to be fine but is described in a comment for good measure.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14338/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-02 01:40:56 +02:00
..
alchemy Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
ar7 MIPS: ar7: use gpiochip data pointer 2016-02-19 09:51:43 +01:00
ath25
ath79 MIPS: ath79: Fix test for error return of clk_register_fixed_factor(). 2016-09-13 14:13:26 +02:00
bcm47xx MIPS: BCM47xx: Move SPROM driver to drivers/firmware/ 2016-05-13 14:01:43 +02:00
bcm63xx Merge branch 'ib-mfd-regulator-gpio-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into devel 2016-03-09 17:40:37 +07:00
bmips MIPS: store the appended dtb address in a variable 2016-08-02 14:00:16 +02:00
boot MIPS: tools: Fix relocs tool compiler warnings 2016-08-03 09:00:55 +02:00
cavium-octeon MIPS: Octeon: mark GPIO controller node not populated after IRQ init. 2016-09-29 18:59:49 +02:00
cobalt MIPS: Cobalt: Fix typo 2016-08-03 08:16:30 +02:00
configs Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-08-06 09:13:11 -04:00
dec MIPS: DEC: Avoid la pseudo-instruction in delay slots 2016-09-29 18:59:49 +02:00
emma
fw MIPS: Fix misspellings in comments. 2016-04-03 12:32:09 +02:00
include MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems 2016-10-02 01:40:56 +02:00
jazz
jz4740 tree-wide: replace config_enabled() with IS_ENABLED() 2016-08-04 08:50:07 -04:00
kernel MIPS: Fix detection of unsupported highmem with cache aliases 2016-09-29 18:59:49 +02:00
kvm MIPS: KVM: Check for pfn noslot case 2016-08-19 17:22:26 +02:00
lantiq Merge branch '4.7-fixes' into mips-for-linux-next 2016-08-03 12:55:49 +02:00
lasat MIPS: Lasat: A couple off by one bugs in picvue_proc.c 2016-05-28 12:35:06 +02:00
lib MIPS: lib: Mark intrinsics notrace 2016-05-28 12:35:11 +02:00
loongson32 MIPS: Loongson1B: Some updates/fixes for LS1B 2016-05-13 14:02:05 +02:00
loongson64 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-08-06 09:13:11 -04:00
math-emu MIPS: Fix delay slot emulation count in debugfs 2016-09-25 01:59:16 +02:00
mm MIPS: Fix detection of unsupported highmem with cache aliases 2016-09-29 18:59:49 +02:00
mti-malta MIPS: Malta: Fix IOCU disable switch read for MIPS64 2016-09-29 18:59:49 +02:00
mti-sead3 mips: Remove unnecessary of_platform_populate with default match table 2016-06-23 15:00:29 -05:00
net Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-08-06 09:13:11 -04:00
netlogic dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
oprofile MIPS/Loongson-3: Convert oprofile to hotplug state machine 2016-07-15 10:40:29 +02:00
paravirt
pci MIPS/PCI: Claim bus resources on PCI_PROBE_ONLY set-ups 2016-06-23 16:32:20 -05:00
pic32 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-08-06 09:13:11 -04:00
pistachio Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-08-06 09:13:11 -04:00
pmcs-msp71xx MIPS: MSP71xx: Use __flush_cache_all instead of flush_cache_all. 2016-05-13 14:01:38 +02:00
pnx833x MIPS: make PCI_DMA_BUS_IS_PHYS=1 constant 2016-05-13 14:02:17 +02:00
power
ralink Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-08-06 09:13:11 -04:00
rb532 MIPS: rb532: use gpiochip data pointer 2016-02-19 09:51:44 +01:00
sgi-ip22 rtc: ds1286: move header to linux/rtc 2016-07-08 16:23:11 +02:00
sgi-ip27 MIPS: Spelling fix lets -> let's 2016-05-28 12:35:09 +02:00
sgi-ip32
sibyte MIPS: Sibyte: Fix Kconfig dependencies of SIBYTE_BUS_WATCHER 2016-05-09 12:00:03 +02:00
sni char/genrtc: remove asm-generic/rtc.h from mips 2016-06-04 00:23:36 +02:00
txx9 treewide: replace obsolete _refok by __ref 2016-08-02 17:31:41 -04:00
vdso MIPS: Build microMIPS VDSO for microMIPS kernels 2016-05-28 12:35:12 +02:00
vr41xx MIPS: VR41xx: Fix typo 2016-05-28 12:35:09 +02:00
xilfpga mips: Remove unnecessary of_platform_populate with default match table 2016-06-23 15:00:29 -05:00
Kbuild
Kbuild.platforms
Kconfig MIPS: Select HAVE_REGS_AND_STACK_ACCESS_API 2016-09-19 18:37:43 +02:00
Kconfig.debug MIPS: Remove compact branch policy Kconfig entries 2016-09-13 14:14:50 +02:00
Makefile MIPS: Remove compact branch policy Kconfig entries 2016-09-13 14:14:50 +02:00