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linux-stable/arch/mips
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Thomas Bogendoerfer 50c25ee97c Revert "MIPS: make userspace mapping young by default" 
This reverts commit f685a533a7.

The MIPS cache flush logic needs to know whether the mapping was already
established to decide how to flush caches.  This is done by checking the
valid bit in the PTE.  The commit above breaks this logic by setting the
valid in the PTE in new mappings, which causes kernel crashes.

Link: https://lkml.kernel.org/r/20210526094335.92948-1-tsbogend@alpha.franken.de
Fixes: f685a533a7 ("MIPS: make userspace mapping young by default")
Reported-by: Zhou Yanjie <zhouyanjie@wanyeetech.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Huang Pei <huangpei@loongson.cn>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-06-05 08:58:11 -07:00
..
alchemy MIPS: alchemy: xxs1500: add gpio-au1000.h header file 2021-05-25 15:16:23 +02:00
ar7 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
ath25 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
ath79 MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
bcm47xx MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
bcm63xx MIPS: BCM63XX: Use BUG_ON instead of condition followed by BUG. 2021-04-26 10:23:52 +02:00
bmips MIPS: bmips: include <linux/dma-direct.h> for phys_to_dma 2021-03-06 08:43:40 +01:00
boot MIPS:DTS:Correct the license for Loongson-2K 2021-04-23 13:41:18 +02:00
cavium-octeon MIPS: octeon: Add __raw_copy_[from|to|in]_user symbols 2021-04-09 11:43:52 +02:00
cobalt MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
configs - removed get_fs/set_fs 2021-04-29 11:28:08 -07:00
crypto - removed get_fs/set_fs 2021-04-29 11:28:08 -07:00
dec MIPS: DEC: Restore bootmem reservation for firmware working memory area 2020-10-14 23:57:57 +02:00
fw MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
generic MIPS: generic: Update node names to avoid unit addresses 2021-04-12 16:48:35 +02:00
include MIPS: launch.h: add include guard to prevent build errors 2021-05-25 15:18:59 +02:00
ingenic MIPS: jz4740: Rename jz4740 folders to ingenic 2020-09-18 16:35:05 +02:00
jazz MIPS: jazz: always allow little-endian builds 2021-01-22 13:53:21 +01:00
kernel quota: Disable quotactl_path syscall 2021-05-17 14:39:56 +02:00
kvm ARM: 2021-05-01 10:14:08 -07:00
lantiq MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
lib MIPS: Fix kernel hang under FUNCTION_GRAPH_TRACER and PREEMPT_TRACER 2021-05-25 15:33:17 +02:00
loongson2ef - added support for Nintendo N64 2021-02-21 13:18:26 -08:00
loongson32 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
loongson64 mm: move mem_init_print_info() into mm_init() 2021-04-30 11:20:42 -07:00
math-emu MIPS: Use fallthrough for arch/mips 2020-05-07 11:55:47 +02:00
mm Revert "MIPS: make userspace mapping young by default" 2021-06-05 08:58:11 -07:00
mti-malta MIPS: Remove KVM_GUEST support 2021-03-10 15:18:40 +01:00
n64 mips: Add N64 machine type 2021-01-22 11:40:00 +01:00
net bpf: Rename BPF_XADD and prepare to encode other atomics in .imm 2021-01-14 18:34:29 -08:00
netlogic mips: netlogic: Use irq_domain_simple_ops for XLP PIC 2021-04-07 13:25:52 +01:00
pci MIPS: pci-legacy: revert "use generic pci_enable_resources" 2021-04-21 13:44:05 +02:00
pic32 MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
pistachio driver core: lift dma_default_coherent into common code 2021-02-13 09:51:45 +01:00
power
ralink MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c 2021-05-25 15:22:04 +02:00
rb532 net: korina: Add support for device tree 2021-04-19 15:58:14 -07:00
sgi-ip22 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
sgi-ip27 mm: move mem_init_print_info() into mm_init() 2021-04-30 11:20:42 -07:00
sgi-ip30 MIPS: SGI-IP30: Move irq bits to better header files 2020-09-21 22:15:49 +02:00
sgi-ip32 arch: mips: update references to current linux-mips list 2021-02-23 13:24:38 +01:00
sibyte MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
sni MIPS: SNI: Fix spurious interrupts 2020-09-16 22:40:58 +02:00
tools MIPS: tools: Fix resource leak in elf-entry.c 2020-05-24 09:29:48 +02:00
txx9 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
vdso MIPS: Makefile: Replace -pg with CC_FLAGS_FTRACE 2021-04-21 13:44:35 +02:00
vr41xx MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
Kbuild MIPS: Fix "make clean" error due to recent changes 2020-05-13 13:20:22 +02:00
Kbuild.platforms mips: Add N64 machine type 2021-01-22 11:40:00 +01:00
Kconfig mm: generalize SYS_SUPPORTS_HUGETLBFS (rename as ARCH_SUPPORTS_HUGETLBFS) 2021-05-05 11:27:25 -07:00
Kconfig.debug arch: mips: fix unmet dependency for DEBUG_INFO 2021-03-29 11:17:23 +02:00
Makefile arch: use cross_compiling to check whether it is a cross build or not 2021-05-06 01:49:13 +09:00
Makefile.postlink