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3daf281f2c
linux/arch/mips
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Leonid Yegoshin 3daf281f2c MIPS: R6: Fix PREF instruction usage by memcpy for MIPS R6 
Disable usage of PREF instruction usage by memcpy for MIPS R6.

MIPS R6 redefines PREF instruction with smaller offset than
ordinary MIPS. However, the memcpy code uses PREF instruction
with offsets bigger than +-256 bytes.

Malta kernels already disable usage of PREF for memcpy.

This was found during adaptation of MIPS R6 for virtual board
used by Android emulator.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com>
Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com>
Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtech.com>
Cc: James.Hogan@imgtec.com
Cc: Paul.Burton@imgtec.com
Cc: Raghu.Gandham@imgtec.com
Cc: Leonid.Yegoshin@imgtec.com
Cc: Douglas.Leung@imgtec.com
Cc: Petar.Jovanovic@imgtec.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16510/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-06-29 02:42:24 +02:00
..
alchemy MIPS: clockevent drivers: Set ->min_delta_ticks and ->max_delta_ticks 2017-04-14 13:11:16 -07:00
ar7 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
ath25
ath79 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
bcm47xx MIPS: BCM47XX: Fix button inversion for Asus WL-500W 2017-02-17 11:16:46 +00:00
bcm63xx MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
bmips MIPS: BMIPS: Support APPENDED_DTB 2016-10-06 17:31:02 +02:00
boot MIPS: SEAD-3: Fix GIC interrupt specifiers 2017-06-28 12:22:42 +02:00
cavium-octeon Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2017-05-12 09:56:30 -07:00
cobalt MIPS: Cobalt: Fix typo 2016-08-03 08:16:30 +02:00
configs MIPS: defconfig: Cleanup from old Kconfig options 2017-06-27 13:58:38 +02:00
dec format-security: move static strings to const 2017-05-08 17:15:14 -07:00
emma MIPS: Avoid old-style declaration 2017-01-25 02:51:11 +01:00
fw
generic MIPS: SEAD-3: Set interrupt-parent per-device, not at root node 2017-06-28 12:22:41 +02:00
include MIPS: Loogson: Make enum loongson_cpu_type more clear 2017-06-29 02:42:23 +02:00
jazz MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
jz4740 MIPS: clockevent drivers: Set ->min_delta_ticks and ->max_delta_ticks 2017-04-14 13:11:16 -07:00
kernel MIPS: cmdline: Add support for 'memmap' parameter 2017-06-29 02:42:23 +02:00
kvm KVM: MIPS: Fix maybe-uninitialized build failure 2017-06-20 17:02:48 +02:00
lantiq MIPS: smp-mt: Use CPU interrupt controller IPI IRQ domain support 2017-04-12 23:13:13 +02:00
lasat MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
lib MIPS: R6: Fix PREF instruction usage by memcpy for MIPS R6 2017-06-29 02:42:24 +02:00
loongson32 MIPS: clockevent drivers: Set ->min_delta_ticks and ->max_delta_ticks 2017-04-14 13:11:16 -07:00
loongson64 MIPS: Loogson: Make enum loongson_cpu_type more clear 2017-06-29 02:42:23 +02:00
math-emu MIPS: math-emu: Fix BC1EQZ and BC1NEZ condition handling 2017-04-10 11:56:09 +02:00
mm MIPS: Probe the I6500 CPU 2017-06-28 12:22:39 +02:00
mti-malta Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2017-05-12 09:56:30 -07:00
net MIPS: Add support for eBPF JIT. 2017-06-28 12:22:39 +02:00
netlogic MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
oprofile mips: sanitize __access_ok() 2017-04-06 02:08:06 -04:00
paravirt sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
pci Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2017-05-12 09:56:30 -07:00
pic32 MIPS: pic32mzda: Fix linker error for pic32_get_pbclk() 2017-02-17 11:14:29 +00:00
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: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
pnx833x MIPS: Squash lines for simple wrapper functions 2016-10-04 16:13:57 +02:00
power
ralink Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-05-01 16:15:18 -07:00
rb532 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
sgi-ip22 MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
sgi-ip27 MIPS: clockevent drivers: Set ->min_delta_ticks and ->max_delta_ticks 2017-04-14 13:11:16 -07:00
sgi-ip32 MIPS: Add missing include files 2017-03-08 10:38:06 +01:00
sibyte MIPS: Sibyte: Export symbol periph_rev to sb1250-mac network driver. 2017-04-21 03:23:24 +02:00
sni
txx9 MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
vdso MIPS: VDSO: Explicitly use -fno-asynchronous-unwind-tables 2017-02-17 11:32:12 +00:00
vr41xx MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
xilfpga MIPS: xilfpga: Use irqchip instead of the legacy way 2017-01-03 16:34:39 +01:00
Kbuild MIPS: Disable Werror when W= is set 2017-04-10 11:56:07 +02:00
Kbuild.platforms MIPS: generic: Convert SEAD-3 to a generic board 2016-10-06 18:04:20 +02:00
Kconfig MIPS: Add support for eBPF JIT. 2017-06-28 12:22:39 +02:00
Kconfig.debug MIPS: Sibyte: Fix Kconfig warning. 2017-04-21 03:34:01 +02:00
Makefile MIPS: build: Fix "-modd-spreg" switch usage when compiling for mips32r6 2017-06-29 02:42:23 +02:00
Makefile.postlink MIPS: Fix distclean with Makefile.postlink 2017-02-13 18:57:34 +00:00