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linux-stable/arch/arm/kernel
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Christoph Hellwig bfe00c5bbd syscalls: use uaccess_kernel in addr_limit_user_check 
Patch series "clean up address limit helpers", v2.

In preparation for eventually phasing out direct use of set_fs(), this
series removes the segment_eq() arch helper that is only used to implement
or duplicate the uaccess_kernel() API, and then adds descriptive helpers
to force the kernel address limit.

This patch (of 6):

Use the uaccess_kernel helper instead of duplicating it.

[hch@lst.de: arm: don't call addr_limit_user_check for nommu]
  Link: http://lkml.kernel.org/r/20200721045834.GA9613@lst.de

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: http://lkml.kernel.org/r/20200714105505.935079-1-hch@lst.de
Link: http://lkml.kernel.org/r/20200710135706.537715-1-hch@lst.de
Link: http://lkml.kernel.org/r/20200710135706.537715-2-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-12 10:57:58 -07:00
..
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
arch_timer.c
ARM: 8913/1: arch_timer: include <asm/arch_timer.h>
2019-10-27 21:14:43 +00:00
armksyms.c
crypto: lib/sha1 - remove unnecessary includes of linux/cryptohash.h
2020-05-08 15:32:17 +10:00
asm-offsets.c
Raise gcc version requirement to 4.9
2020-07-08 10:48:35 -07:00
atags_compat.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
atags_parse.c
initrd: remove support for multiple floppies
2020-07-30 08:22:33 +02:00
atags_proc.c
ARM: 8973/1: Add missing newline terminator to kernel message
2020-05-07 20:53:10 +01:00
atags.h
ARM: mark setup_machine_tags() stub as __init __noreturn
2019-05-14 19:52:48 -07:00
bios32.c
ARM: 8993/1: remove it8152 PCI controller driver
2020-07-21 16:33:41 +01:00
bugs.c
treewide: fix typos of SPDX-License-Identifier
2019-06-01 18:29:58 +02:00
cpuidle.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 159
2019-05-30 11:26:37 -07:00
crash_dump.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
debug.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
devtree.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
dma-isa.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
dma.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
early_printk.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
efi.c
mm/pgtable: drop pgtable_t variable from pte_fn_t functions
2019-07-12 11:05:46 -07:00
elf.c
arm32/64/elf: Split READ_IMPLIES_EXEC from executable PT_GNU_STACK
2020-04-20 19:42:19 +02:00
entry-armv.S
ARM: uaccess: consolidate uaccess asm to asm/uaccess-asm.h
2020-05-03 17:30:24 +01:00
entry-common.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
entry-ftrace.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
entry-header.S
ARM: uaccess: consolidate uaccess asm to asm/uaccess-asm.h
2020-05-03 17:30:24 +01:00
entry-v7m.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
fiq.c
arm: fix the flush_icache_range arguments in set_fiq_handler
2020-06-08 11:05:57 -07:00
fiqasm.S
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
2014-07-18 12:29:04 +01:00
ftrace.c
maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault
2020-06-17 10:57:41 -07:00
head-common.S
ARM: 8914/1: NOMMU: Fix exc_ret for XIP
2019-10-10 22:23:20 +01:00
head-inflate-data.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
head-nommu.S
ARM: 8914/1: NOMMU: Fix exc_ret for XIP
2019-10-10 22:23:20 +01:00
head.S
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
hibernate.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
hw_breakpoint.c
ARM: 8986/1: hw_breakpoint: Don't invoke overflow handler on uaccess watchpoints
2020-07-21 16:32:54 +01:00
hyp-stub.S
arm: Remove the ability to set HYP vectors outside of the decompressor
2020-03-24 10:56:05 +00:00
insn.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
io.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
isa.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
iwmmxt.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
jump_label.c
jump_label: move 'asm goto' support test to Kconfig
2019-01-06 09:46:51 +09:00
kgdb.c
maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault
2020-06-17 10:57:41 -07:00
machine_kexec.c
mm: remove unneeded includes of <asm/pgalloc.h>
2020-08-07 11:33:26 -07:00
Makefile
Linux 5.5-rc1
2019-12-10 10:11:00 +01:00
module-plts.c
ARM: 8910/1: fix missing declartion of module_frob_arch_sections
2019-10-27 21:14:38 +00:00
module.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
module.lds
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
opcodes.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
paravirt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
patch.c
arm/patch: Fix !MMU compile
2020-02-11 12:56:27 +01:00
perf_callchain.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
perf_event_v6.c
arm_pmu: Tidy up clear_event_idx call backs
2018-07-10 18:19:02 +01:00
perf_event_v7.c
ARM: 8873/1: perf: cleanup cppcheck shifting warning
2019-08-23 11:38:46 +01:00
perf_event_xscale.c
arm_pmu: Tidy up clear_event_idx call backs
2018-07-10 18:19:02 +01:00
perf_regs.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pj4-cp0.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
process.c
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-09 13:33:54 -07:00
psci_smp.c
ARM: 8919/1: make unexported functions static
2019-10-31 16:58:52 +00:00
ptrace.c
arm: switch to ->regset_get()
2020-07-27 14:31:09 -04:00
reboot.c
ARM: Use reboot_cpu instead of hardcoding it to 0
2020-03-25 12:59:33 +01:00
reboot.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
relocate_kernel.S
ARM: 8962/1: kexec: drop invalid assembly argument
2020-03-12 11:29:02 +00:00
return_address.c
ARM: 8918/2: only build return_address() if needed
2019-11-15 22:21:07 +00:00
setup.c
arch/arm/setup: Drop dummy_con initialization
2020-01-14 15:29:15 +01:00
signal.c
syscalls: use uaccess_kernel in addr_limit_user_check
2020-08-12 10:57:58 -07:00
signal.h
ARM: 8920/1: share get_signal_page from signal.c to process.c
2019-10-31 16:58:53 +00:00
sigreturn_codes.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
sleep.S
ARM: 8847/1: pm: fix HYP/SVC mode mismatch when MCPM is used
2019-02-26 11:32:54 +00:00
smccc-call.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
smp_scu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
smp_tlb.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
smp_twd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
smp.c
mm: remove unneeded includes of <asm/pgalloc.h>
2020-08-07 11:33:26 -07:00
stacktrace.c
ARM: 8992/1: Fix unwind_frame for clang-built kernels
2020-07-21 16:33:40 +01:00
suspend.c
mm: remove unneeded includes of <asm/pgalloc.h>
2020-08-07 11:33:26 -07:00
swp_emulate.c
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
sys_arm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
sys_oabi-compat.c
ARM: compat: remove KERNEL_DS usage in sys_oabi_epoll_ctl()
2020-04-21 17:49:30 +01:00
tcm.c
ARM: 8925/1: tcm: include <asm/tcm.h> for missing declarations
2019-10-31 16:58:56 +00:00
thumbee.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
time.c
ARM/time: Replace <linux/clk-provider.h> by <linux/of_clk.h>
2020-05-15 22:54:57 +02:00
topology.c
ARM: 8943/1: Fix topology setup in case of CPU hotplug for CONFIG_SCHED_MC
2019-12-06 11:51:02 +00:00
traps.c
maccess: make get_kernel_nofault() check for minimal type compatibility
2020-06-18 12:10:37 -07:00
unwind.c
arm: add loglvl to unwind_backtrace()
2020-06-09 09:39:10 -07:00
v7m.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
vdso.c
ARM: 8987/1: VDSO: Fix incorrect clock_gettime64
2020-07-21 16:32:55 +01:00
vmlinux-xip.lds.S
arm: Remove HYP/Stage-2 page-table support
2020-03-24 10:56:05 +00:00
vmlinux.lds.h
arm: Remove HYP/Stage-2 page-table support
2020-03-24 10:56:05 +00:00
vmlinux.lds.S
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
xscale-cp0.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00