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linux/arch/arm64/kernel
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Peter Collingbourne 332c151c71 arm64: mte: simplify swap tag restoration logic 
As a result of the patches "mm: Call arch_swap_restore() from
do_swap_page()" and "mm: Call arch_swap_restore() from unuse_pte()", there
are no circumstances in which a swapped-in page is installed in a page
table without first having arch_swap_restore() called on it.  Therefore,
we no longer need the logic in set_pte_at() that restores the tags, so
remove it.

Link: https://lkml.kernel.org/r/20230523004312.1807357-4-pcc@google.com
Link: https://linux-review.googlesource.com/id/I8ad54476f3b2d0144ccd8ce0c1d7a2963e5ff6f3
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: kasan-dev@googlegroups.com
Cc: kasan-dev <kasan-dev@googlegroups.com>
Cc: "Kuan-Ying Lee (李冠穎)" <Kuan-Ying.Lee@mediatek.com>
Cc: Qun-Wei Lin <qun-wei.lin@mediatek.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-18 10:12:02 -07:00
..
pi arm64: unwind: add asynchronous unwind tables to kernel and modules 2022-11-09 18:06:35 +00:00
probes arm64: kprobes: Drop ID map text from kprobes blacklist 2023-02-07 18:25:10 +00:00
vdso arm64: vdso: Clear common make C=2 warnings 2023-07-20 11:48:26 +01:00
vdso32 kbuild: Drop -Wdeclaration-after-statement 2023-06-26 11:14:19 +02:00
.gitignore
acpi_numa.c arm64: numa: Don't check node against MAX_NUMNODES 2022-07-19 19:10:28 +01:00
acpi_parking_protocol.c treewide: Drop function_nocfi 2022-09-26 10:13:14 -07:00
acpi.c arm64: acpi: Fix possible memory leak of ffh_ctxt 2023-02-24 14:21:49 +00:00
alternative.c Merge branches 'for-next/kpti', 'for-next/missing-proto-warn', 'for-next/iss2-decode', 'for-next/kselftest', 'for-next/misc', 'for-next/feat_mops', 'for-next/module-alloc', 'for-next/sysreg', 'for-next/cpucap', 'for-next/acpi', 'for-next/kdump', 'for-next/acpi-doc', 'for-next/doc' and 'for-next/tpidr2-fix', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2023-06-23 18:32:20 +01:00
armv8_deprecated.c arm64: armv8_deprecated: remove unnecessary (void*) conversions 2023-03-28 15:43:44 +01:00
asm-offsets.c arm64: ftrace: fix build error with CONFIG_FUNCTION_GRAPH_TRACER=n 2023-07-05 09:46:19 -04:00
cacheinfo.c cacheinfo: Add arm64 early level initializer implementation 2023-04-13 09:32:33 +01:00
compat_alignment.c arm64: compat: Work around uninitialized variable warning 2023-04-05 17:51:47 +01:00
cpu_errata.c arm64: errata: Mitigate Ampere1 erratum AC03_CPU_38 at stage-2 2023-06-16 00:31:44 +00:00
cpu_ops.c
cpu-reset.S arm64: kernel: remove SHF_WRITE|SHF_EXECINSTR from .idmap.text 2023-05-02 12:42:22 +01:00
cpufeature.c ARM64: 2023-07-03 15:32:22 -07:00
cpuidle.c arm64: cpuidle: fix #ifdef for acpi functions 2023-05-25 17:44:02 +01:00
cpuinfo.c arm64: cpufeature: add system register ID_AA64MMFR3 2023-06-06 16:52:40 +01:00
crash_core.c arm64: move PAC masks to <asm/pointer_auth.h> 2023-04-13 12:27:11 +01:00
crash_dump.c vmcore: convert copy_oldmem_page() to take an iov_iter 2022-04-29 14:37:59 -07:00
debug-monitors.c arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step 2023-04-14 13:39:47 +01:00
efi-header.S arm64: efi: Enable BTI codegen and add PE/COFF annotation 2023-04-20 15:43:45 +02:00
efi-rt-wrapper.S arm64: efi: Avoid workqueue to check whether EFI runtime is live 2023-01-16 15:27:31 +01:00
efi.c A healthy mix of EFI contributions this time: 2023-02-23 14:41:48 -08:00
elfcore.c arm64: mte: Avoid the racy walk of the vma list during core dump 2023-01-05 15:12:12 +00:00
entry-common.c Merge branches 'for-next/kpti', 'for-next/missing-proto-warn', 'for-next/iss2-decode', 'for-next/kselftest', 'for-next/misc', 'for-next/feat_mops', 'for-next/module-alloc', 'for-next/sysreg', 'for-next/cpucap', 'for-next/acpi', 'for-next/kdump', 'for-next/acpi-doc', 'for-next/doc' and 'for-next/tpidr2-fix', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2023-06-23 18:32:20 +01:00
entry-fpsimd.S arm64/sme: Implement context switching for ZT0 2023-01-20 12:23:06 +00:00
entry-ftrace.S arm64: ftrace: Enable HAVE_FUNCTION_GRAPH_RETVAL 2023-06-20 18:38:37 -04:00
entry.S arm64: entry: Simplify tramp_alias macro and tramp_exit routine 2023-05-25 16:55:19 +01:00
fpsimd.c arm64/sme: Set new vector length before reallocating 2023-07-26 18:34:00 +01:00
ftrace.c arm64: module: mandate MODULE_PLTS 2023-06-06 17:39:05 +01:00
head.S ARM64: 2023-07-03 15:32:22 -07:00
hibernate-asm.S arm64: kexec: install a copy of the linear-map 2021-10-01 13:31:00 +01:00
hibernate.c arm64: hibernate: remove WARN_ON in save_processor_state 2023-06-21 13:33:49 +01:00
hw_breakpoint.c arm64: move cpu_suspend_set_dbg_restorer() prototype to header 2023-05-25 17:44:01 +01:00
hyp-stub.S ARM64: 2023-07-03 15:32:22 -07:00
idle.c arch/idle: Change arch_cpu_idle() behavior: always exit with IRQs disabled 2023-01-13 11:48:15 +01:00
idreg-override.c ARM64: 2023-07-03 15:32:22 -07:00
image-vars.h efi/zboot: arm64: Inject kernel code size symbol into the zboot payload 2023-04-26 18:01:41 +02:00
image.h
io.c
irq.c Merge branch 'for-next/stacks' into for-next/core 2022-12-06 11:26:40 +00:00
jump_label.c jump_label: make initial NOP patching the special case 2022-06-24 09:48:55 +02:00
kaslr.c Merge branch for-next/module-alloc into kvmarm/next 2023-06-15 13:04:15 +00:00
kexec_image.c arm64: Fix dangling references to Documentation/arm64 2023-06-21 08:53:31 -06:00
kgdb.c arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step 2023-04-14 13:39:47 +01:00
kuser32.S arm64: Update Documentation/arm references 2023-06-12 06:33:48 -06:00
machine_kexec_file.c arm64/kexec: Fix missing extra range for crashkres_low. 2022-09-01 11:50:00 +01:00
machine_kexec.c Merge branch 'for-next/misc' into for-next/core 2023-04-20 11:22:09 +01:00
Makefile - Arnd Bergmann has fixed a bunch of -Wmissing-prototypes in 2023-06-28 10:59:38 -07:00
module-plts.c arm64: module-plts: inline linux/moduleloader.h 2023-05-25 17:44:02 +01:00
module.c arm64: module: rework module VA range selection 2023-06-06 17:39:06 +01:00
mte.c arm64: mte: simplify swap tag restoration logic 2023-08-18 10:12:02 -07:00
paravirt.c arm64: paravirt: remove conduit check in has_pv_steal_clock 2022-11-09 18:11:56 +00:00
patch-scs.c arm64: Apply dynamic shadow call stack patching in two passes 2023-01-26 17:54:15 +00:00
patching.c arm64: patching: Add aarch64_insn_write_literal_u64() 2023-01-24 11:49:43 +00:00
pci.c arm64: PCI: Support root bridge preparation for Hyper-V 2021-08-23 10:59:26 +01:00
perf_callchain.c arm64: use XPACLRI to strip PAC 2023-04-13 12:27:11 +01:00
perf_regs.c perf: arm64: Add SVE vector granule register to user regs 2022-09-22 15:06:02 +01:00
pointer_auth.c arm64: move preemption disablement to prctl handlers 2021-07-28 18:33:49 +01:00
process.c Objtool changes for v6.4: 2023-04-28 14:02:54 -07:00
proton-pack.c arm64: delete dead code in this_cpu_set_vectors() 2023-04-20 10:44:54 +01:00
psci.c treewide: Drop function_nocfi 2022-09-26 10:13:14 -07:00
ptrace.c arm64 updates for 6.3: 2023-02-21 15:27:48 -08:00
reloc_test_core.c ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs 2022-09-29 18:04:25 +01:00
reloc_test_syms.S
relocate_kernel.S arm64: kexec: load from kimage prior to clobbering 2022-05-17 14:25:35 +01:00
return_address.c arm64: Make return_address() use arch_stack_walk() 2021-12-10 14:06:04 +00:00
sdei.c arm64: implement dynamic shadow call stack for Clang 2022-11-09 18:06:35 +00:00
setup.c arm64: kaslr: split kaslr/module initialization 2023-06-06 17:39:05 +01:00
signal32.c signal: Deliver SIGTRAP on perf event asynchronously if blocked 2022-04-22 12:14:05 +02:00
signal.c Merge branches 'for-next/kpti', 'for-next/missing-proto-warn', 'for-next/iss2-decode', 'for-next/kselftest', 'for-next/misc', 'for-next/feat_mops', 'for-next/module-alloc', 'for-next/sysreg', 'for-next/cpucap', 'for-next/acpi', 'for-next/kdump', 'for-next/acpi-doc', 'for-next/doc' and 'for-next/tpidr2-fix', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2023-06-23 18:32:20 +01:00
sigreturn32.S arm64: compat: Move sigreturn32.S to .rodata section 2022-07-01 12:05:45 +01:00
sleep.S arm64: kernel: remove SHF_WRITE|SHF_EXECINSTR from .idmap.text 2023-05-02 12:42:22 +01:00
smccc-call.S arm64: smccc: Save lr before calling __arm_smccc_sve_check() 2021-07-21 11:23:25 +01:00
smp_spin_table.c treewide: Drop function_nocfi 2022-09-26 10:13:14 -07:00
smp.c arm64: smp: Switch to hotplug core state synchronization 2023-05-15 13:44:57 +02:00
stacktrace.c arm64: use XPACLRI to strip PAC 2023-04-13 12:27:11 +01:00
suspend.c cpuidle, arm64: Fix the ARM64 cpuidle logic 2023-01-18 12:27:17 +01:00
sys32.c
sys_compat.c arm64: compat: Do not treat syscall number as ESR_ELx for a bad syscall 2022-04-29 19:26:27 +01:00
sys.c
syscall.c tracing: arm64: Avoid missing-prototype warnings 2023-07-12 12:06:04 -04:00
time.c arm64: Make profile_pc() use arch_stack_walk() 2021-12-10 14:06:04 +00:00
topology.c RISC-V Patches for the 6.1 Merge Window, Part 1 2022-10-09 13:24:01 -07:00
trace-events-emulation.h
traps.c - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
vdso32-wrap.S arm64: do not descend to vdso directories twice 2021-01-20 12:18:46 +00:00
vdso-wrap.S arm64: do not descend to vdso directories twice 2021-01-20 12:18:46 +00:00
vdso.c arm64: vdso: Pass (void *) to virt_to_page() 2023-05-16 14:53:36 +01:00
vmlinux.lds.S arm64: lds: move .got section out of .text 2023-05-02 13:12:45 +01:00
watchdog_hld.c arm64: enable perf events based hard lockup detector 2023-06-09 17:44:22 -07:00