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linux-stable/arch/mips
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Archer Yan 9d91069f48 MIPS: Fix kernel crash for R6 in jump label branch function 
commit 47c25036b6 upstream.

Insert Branch instruction instead of NOP to make sure assembler don't
patch code in forbidden slot. In jump label function, it might
be possible to patch Control Transfer Instructions(CTIs) into
forbidden slot, which will generate Reserved Instruction exception
in MIPS release 6.

Signed-off-by: Archer Yan <ayan@wavecomp.com>
Reviewed-by: Paul Burton <paul.burton@mips.com>
[paul.burton@mips.com:
  - Add MIPS prefix to subject.
  - Mark for stable from v4.0, which introduced r6 support, onwards.]
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-27 14:14:39 +09:00
..
alchemy mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
ar7 mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
ath25 mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
ath79 Here are the main MIPS changes for 4.19. 2018-08-13 19:24:32 -07:00
bcm47xx MIPS: BCM47XX: Setup struct device for the SoC 2019-01-22 21:40:33 +01:00
bcm63xx MIPS: BCM63XX: provide DMA masks for ethernet devices 2019-03-05 17:58:54 +01:00
bmips MIPS: bmips: remove unnecessary call to register "simple-bus" 2018-06-24 09:27:27 -07:00
boot DTS: CI20: Fix bugs in ci20's device tree. 2019-03-13 14:02:34 -07:00
cavium-octeon MIPS: OCTEON: mark RGMII interface disabled on OCTEON III 2019-01-09 17:38:48 +01:00
cobalt
configs MIPS: ath79: Enable OF serial ports in the default config 2019-02-27 10:08:53 +01:00
crypto MIPS: crypto: Add crc32 and crc32c hw accelerated module 2018-02-19 20:50:36 +00:00
dec MIPS: Convert update_persistent_clock() to update_persistent_clock64() 2018-05-14 23:58:23 +01:00
emma
fw mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
generic MIPS: Remove obsolete MIPS checks for DST node "chosen@0" 2018-08-06 09:50:33 -07:00
include MIPS: Fix kernel crash for R6 in jump label branch function 2019-03-27 14:14:39 +09:00
jazz MIPS: jazz: fix 64bit build 2019-02-27 10:08:53 +01:00
jz4740 mmc: jz4740: Get CD/WP GPIOs from descriptors 2019-02-12 19:47:10 +01:00
kernel MIPS: Ensure ELF appended dtb is relocated 2019-03-27 14:14:39 +09:00
kvm KVM: Remove obsolete kvm_unmap_hva notifier backend 2018-09-07 15:06:02 +02:00
lantiq MIPS: lantiq: Fix IPI interrupt handling 2019-01-22 21:40:33 +01:00
lasat kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
lib MIPS: memset: Fix CPU_DADDI_WORKAROUNDS `small_fixup' regression 2018-10-05 09:41:39 -07:00
loongson32 MIPS: Loongson: Merge load addresses 2018-07-30 18:59:01 -07:00
loongson64 mips: loongson64: lemote-2f: Add IRQF_NO_SUSPEND to "cascade" irqaction. 2019-03-27 14:14:39 +09:00
math-emu MIPS: math-emu: Write-protect delay slot emulation pages 2019-01-09 17:38:47 +01:00
mm MIPS: Expand MIPS32 ASIDs to 64 bits 2019-01-09 17:38:48 +01:00
mti-malta MIPS: Malta: Use PIIX4 poweroff driver to power down 2018-06-24 09:27:27 -07:00
net MIPS: eBPF: Fix icache flush end address 2019-03-05 17:58:54 +01:00
netlogic mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
oprofile MIPS: perf: More robustly probe for the presence of per-tc counters 2018-05-15 15:16:16 +01:00
paravirt mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
pci MIPS: OCTEON: don't set octeon_dma_bar_type if PCI is disabled 2019-02-15 08:10:11 +01:00
pic32 mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
pistachio License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pmcs-msp71xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pnx833x mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
power License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ralink MIPS: ralink: Select CONFIG_CPU_MIPSR2_IRQ_VI on MT7620/8 2019-02-12 19:47:17 +01:00
rb532 MIPS: RB532: Avoid undefined mac_pton without GENERIC_NET_UTILS 2018-01-10 16:39:03 +01:00
sgi-ip22 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-13 17:56:58 -08:00
sgi-ip27 mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
sgi-ip32 MIPS: IP32: use generic dma noncoherent ops 2018-06-24 09:27:27 -07:00
sibyte MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur 2019-01-26 09:32:35 +01:00
sni MIPS: sni: Remove the read_persistent_clock() 2018-05-14 23:58:25 +01:00
tools Update MIPS email addresses 2017-11-03 09:02:30 -07:00
txx9 JFFS2 changes: 2018-08-14 10:57:44 -07:00
vdso MIPS: VDSO: Include $(ccflags-vdso) in o32,n32 .lds builds 2019-02-15 08:10:12 +01:00
vr41xx MIPS: Annotate cpu_wait implementations with __cpuidle 2018-06-28 14:18:54 -07:00
Kbuild
Kbuild.platforms MIPS: Xilfpga: Switch to using generic defconfigs 2017-11-08 22:54:14 +00:00
Kconfig MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur 2019-01-26 09:32:35 +01:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Makefile kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
Makefile.postlink License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00