Russell King (Oracle) ca29cfcc4a ARM: fix cacheflush with PAN ...

It seems that the cacheflush syscall got broken when PAN for LPAE was
implemented. User access was not enabled around the cache maintenance
instructions, causing them to fault.

Fixes: 7af5b901e8 ("ARM: 9358/2: Implement PAN for LPAE by TTBR0 page table walks disablement")
Reported-by: Michał Pecio <michal.pecio@gmail.com>
Tested-by: Michał Pecio <michal.pecio@gmail.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

2024-11-12 23:51:06 +00:00

..

.gitignore

…

arch_timer.c

…

armksyms.c

…

asm-offsets.c

ARM: 9358/2: Implement PAN for LPAE by TTBR0 page table walks disablement

2024-04-18 12:10:46 +01:00

atags_compat.c

…

atags_parse.c

vgacon: clean up global screen_info instances

2023-10-17 10:17:02 +02:00

atags_proc.c

atags_proc: Add __counted_by for struct buffer and use struct_size()

2023-12-02 12:32:07 -08:00

atags.h

…

bios32.c

PCI: Introduce pci_dev_for_each_resource()

2023-04-04 10:43:52 -05:00

bugs.c

ARM: cpu: Switch to arch_cpu_finalize_init()

2023-06-16 10:15:59 +02:00

cpuidle.c

ARM: cpuidle: Drop of_device.h include

2023-04-13 17:46:34 -05:00

crash_dump.c

vmcore: convert copy_oldmem_page() to take an iov_iter

2022-04-29 14:37:59 -07:00

debug.S

…

devtree.c

ARM: 9322/1: Explicitly include correct DT includes

2023-10-05 16:15:42 +01:00

dma.c

…

early_printk.c

…

efi.c

vgacon: clean up global screen_info instances

2023-10-17 10:17:02 +02:00

elf.c

…

entry-armv.S

ARM: 9414/1: Fix build issue with LD_DEAD_CODE_DATA_ELIMINATION

2024-09-04 14:47:42 +01:00

entry-common.S

ARM: 9407/1: Add support for STACKLEAK gcc plugin

2024-07-02 09:18:43 +01:00

entry-ftrace.S

ARM: 9382/1: ftrace: Define ftrace_stub_graph

2024-04-18 12:12:18 +01:00

entry-header.S

context_tracking: Split user tracking Kconfig

2022-06-29 17:04:09 -07:00

entry-v7m.S

ARM: mm: Make virt_to_pfn() a static inline

2023-05-29 11:27:08 +02:00

fiq.c

ARM: 9315/1: fiq: include asm/mach/irq.h for prototypes

2023-06-19 09:36:00 +01:00

fiqasm.S

…

ftrace.c

ARM: 9405/1: ftrace: Don't assume stack frames are contiguous in memory

2024-06-10 12:00:27 +01:00

head-common.S

ARM: implement THREAD_INFO_IN_TASK for uniprocessor systems

2021-12-06 12:49:17 +01:00

head-inflate-data.c

ARM: 9310/1: xip-kernel: add __inflate_kernel_data prototype

2023-06-19 09:35:56 +01:00

head-nommu.S

ARM: mm: Make virt_to_pfn() a static inline

2023-05-29 11:27:08 +02:00

head.h

ARM: 9310/1: xip-kernel: add __inflate_kernel_data prototype

2023-06-19 09:35:56 +01:00

head.S

ARM: 9420/1: smp: Fix SMP for xip kernels

2024-11-12 16:38:47 +00:00

hibernate.c

ARM: mm: Make virt_to_pfn() a static inline

2023-05-29 11:27:08 +02:00

hw_breakpoint.c

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux

2024-05-17 08:53:47 -07:00

hyp-stub.S

ARM: 9263/1: use .arch directives instead of assembler command line flags

2022-11-08 18:36:17 +00:00

insn.c

ARM: 9078/1: Add warn suppress parameter to arm_gen_branch_link()

2021-06-07 12:56:20 +01:00

io.c

…

irq.c

fix missing vmalloc.h includes

2024-04-25 20:55:49 -07:00

isa.c

arm: Remove now superfluous sentinel elem from ctl_table arrays

2023-10-10 15:22:02 -07:00

iwmmxt.h

ARM: 9029/1: Make iwmmxt.S support Clang's integrated assembler

2020-12-08 10:14:59 +00:00

iwmmxt.S

ARM: 9352/1: iwmmxt: Remove support for PJ4/PJ4B cores

2024-02-26 10:16:31 +00:00

jump_label.c

jump_label: make initial NOP patching the special case

2022-06-24 09:48:55 +02:00

kgdb.c

ARM: Fix kgdb breakpoint for Thumb2

2022-02-21 14:56:53 +00:00

machine_kexec.c

arch, crash: move arch_crash_save_vmcoreinfo() out to file vmcore_info.c

2024-02-23 17:48:25 -08:00

Makefile

perf/arm: Move 32-bit PMU drivers to drivers/perf/

2024-07-03 14:07:14 +01:00

module-plts.c

ARM: module: Use module_init_layout_section() to spot init sections

2023-08-03 13:42:02 -07:00

module.c

ARM: 9400/1: Remove unused struct 'mod_unwind_map'

2024-06-10 12:01:30 +01:00

opcodes.c

…

paravirt.c

x86/paravirt: Switch time pvops functions to use static_call()

2021-03-11 16:17:52 +01:00

patch.c

…

perf_callchain.c

ARM: 9406/1: Fix callchain_trace() return value

2024-07-02 09:17:00 +01:00

perf_regs.c

perf/arch: Remove perf_sample_data::regs_user_copy

2020-11-09 18:12:34 +01:00

phys2virt.S

…

process.c

ARM: kernel: Get rid of thread_info::used_cp[] array

2023-05-17 15:08:22 +02:00

psci_smp.c

ARM: 9420/1: smp: Fix SMP for xip kernels

2024-11-12 16:38:47 +00:00

ptrace.c

Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

2023-08-31 12:49:10 -07:00

reboot.c

ARM: 9219/1: fix undeclared soft_restart

2022-07-28 15:09:17 +01:00

reboot.h

…

relocate_kernel.S

ARM: kexec: fix oops after TLB are invalidated

2021-02-05 10:23:29 +00:00

return_address.c

ARM: 9258/1: stacktrace: Make stack walk callback consistent with generic code

2022-11-08 18:36:18 +00:00

setup.c

ARM: 9412/1: Convert to arch_cpu_is_hotpluggable()

2024-08-20 11:18:50 +01:00

signal.c

x86/shstk: Add user control-protection fault handler

2023-08-02 15:01:50 -07:00

signal.h

…

sigreturn_codes.S

…

sleep.S

ARM: 9381/1: kasan: clear stale stack poison

2024-04-29 14:11:25 +01:00

smccc-call.S

ARM: 9075/1: kernel: Fix interrupted SMC calls

2021-04-18 19:15:14 +01:00

smp_scu.c

…

smp_tlb.c

…

smp_twd.c

…

smp.c

nmi_backtrace: allow excluding an arbitrary CPU

2023-08-18 10:19:00 -07:00

spectre.c

ARM: fix build error when BPF_SYSCALL is disabled

2022-03-08 12:53:05 -08:00

stacktrace.c

ARM: 9259/1: stacktrace: Convert stacktrace to generic ARCH_STACKWALK

2022-11-14 12:00:57 +00:00

suspend.c

ARM: 9358/2: Implement PAN for LPAE by TTBR0 page table walks disablement

2024-04-18 12:10:46 +01:00

swp_emulate.c

ARM: 9263/1: use .arch directives instead of assembler command line flags

2022-11-08 18:36:17 +00:00

sys_arm.c

ARM: 9309/1: add missing syscall prototypes

2023-06-19 09:35:55 +01:00

sys_oabi-compat.c

introduce fd_file(), convert all accessors to it.

2024-08-12 22:00:43 -04:00

tcm.c

ARM: mm: Make virt_to_pfn() a static inline

2023-05-29 11:27:08 +02:00

thumbee.c

…

time.c

ARM: rpc: use legacy_timer_tick

2020-10-30 21:57:05 +01:00

topology.c

sched/balancing: Rename rebalance_domains() => sched_balance_domains()

2024-03-12 11:59:59 +01:00

traps.c

ARM: fix cacheflush with PAN

2024-11-12 23:51:06 +00:00

unwind.c

ARM: 9349/1: unwind: Add missing "Call trace:" line

2024-02-24 16:47:19 +00:00

v7m.c

…

vdso.c

vdso/ARM: Make union vdso_data_store available for all architectures

2024-02-20 20:56:00 +01:00

vmcore_info.c

arch, crash: move arch_crash_save_vmcoreinfo() out to file vmcore_info.c

2024-02-23 17:48:25 -08:00

vmlinux-xip.lds.S

ARM: 9404/1: arm32: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION

2024-06-10 12:01:33 +01:00

vmlinux.lds.S

ARM: 9404/1: arm32: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION

2024-06-10 12:01:33 +01:00

xscale-cp0.c

ARM: iwmmxt: Use undef hook to enable coprocessor for task

2023-05-17 15:08:22 +02:00