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bd4fb6d270
linux/arch/arm64/include/asm
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Will Deacon bd4fb6d270 arm64: Add support for SB barrier and patch in over DSB; ISB sequences 
We currently use a DSB; ISB sequence to inhibit speculation in set_fs().
Whilst this works for current CPUs, future CPUs may implement a new SB
barrier instruction which acts as an architected speculation barrier.

On CPUs that support it, patch in an SB; NOP sequence over the DSB; ISB
sequence and advertise the presence of the new instruction to userspace.

Signed-off-by: Will Deacon <will.deacon@arm.com>
2018-12-06 16:47:04 +00:00
..
xen arm64: xen: Use existing helper to check interrupt status 2018-10-03 16:14:11 +01:00
acenv.h
acpi.h arm64: acpi: Prepare for longer MADTs 2018-11-27 18:00:14 +00:00
alternative.h arm64: Avoid flush_icache_range() in alternatives patching code 2018-06-27 18:21:53 +01:00
arch_gicv3.h irqchip/gic-v3: Probe for SCR_EL3 being clear before resetting AP0Rn 2018-03-22 13:46:18 +00:00
arch_timer.h First batch of KVM changes for 4.15 2017-11-16 13:00:24 -08:00
arm_dsu_pmu.h perf: ARM DynamIQ Shared Unit PMU support 2018-01-02 16:43:12 +00:00
arm-cci.h
asm-bug.h arm64: asm-bug: Renumber macro local labels to avoid clashes 2017-10-25 15:57:15 +01:00
asm-offsets.h
asm-uaccess.h arm64: mm: Add additional parameter to uaccess_ttbr0_disable 2018-01-17 13:57:49 +01:00
assembler.h arm64: Add support for SB barrier and patch in over DSB; ISB sequences 2018-12-06 16:47:04 +00:00
atomic_ll_sc.h arm64: Remove redundant mov from LL/SC cmpxchg 2017-05-15 18:30:10 +01:00
atomic_lse.h arm64: lse: Add early clobbers to some input/output asm operands 2018-05-21 19:00:36 +01:00
atomic.h atomics/treewide: Make conditional inc/dec ops optional 2018-06-21 14:25:24 +02:00
barrier.h arm64: Add support for SB barrier and patch in over DSB; ISB sequences 2018-12-06 16:47:04 +00:00
bitops.h locking/atomics/arm64, arm64/bitops: Include <asm-generic/bitops/ext2-atomic-setbit.h> 2018-06-21 12:52:12 +02:00
bitrev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
boot.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
brk-imm.h
bug.h arm64: Add ASM_BUG() 2017-08-08 16:28:13 +01:00
cache.h arm64: cpufeature: Fix handling of CTR_EL0.IDC field 2018-10-16 11:53:31 +01:00
cacheflush.h arm64: IPI each CPU after invalidating the I-cache for kernel mappings 2018-07-05 17:24:36 +01:00
checksum.h arm64: add missing conversion to __wsum in ip_fast_csum() 2017-06-29 16:32:43 +01:00
clocksource.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cmpxchg.h arm64: cmpwait: Clear event register before arming exclusive monitor 2018-05-16 12:21:19 +01:00
compat.h Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-10-25 11:14:36 -07:00
cpu_ops.h
cpu.h arm64/sve: Probe SVE capabilities and usable vector lengths 2017-11-03 15:24:17 +00:00
cpucaps.h arm64: Add support for SB barrier and patch in over DSB; ISB sequences 2018-12-06 16:47:04 +00:00
cpufeature.h arm64: capabilities: Batch cpu_enable callbacks 2018-12-06 15:12:26 +00:00
cpuidle.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cputype.h arm64: capabilities: Merge duplicate Cavium erratum entries 2018-12-06 11:47:44 +00:00
current.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
daifflags.h arm64: daifflags: Use irqflags functions for daifflags 2018-10-03 16:08:52 +01:00
dcc.h
debug-monitors.h
device.h arm64: use the generic swiotlb_dma_ops 2018-10-19 08:53:24 +02:00
dma-mapping.h arm64: use the generic swiotlb_dma_ops 2018-10-19 08:53:24 +02:00
dmi.h
efi.h efi: Deduplicate efi_open_volume() 2018-07-22 14:13:43 +02:00
elf.h arm64: signal: Report signal frame size to userspace via auxv 2018-06-01 15:53:10 +01:00
esr.h arm64: Trap WFI executed in userspace 2018-10-01 16:52:24 +01:00
exception.h arm64: kernel: Prepare for a DISR user 2018-01-16 15:07:12 +00:00
exec.h
extable.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fb.h
fixmap.h arm64: kaslr: Put kernel vectors address in separate data page 2017-12-11 13:41:20 +00:00
fpsimd.h arm64: move sve_user_{enable,disable} to <asm/fpsimd.h> 2018-07-12 14:40:39 +01:00
fpsimdmacros.h arm64/sve: Write ZCR_EL1 on context switch only if changed 2018-05-17 18:19:53 +01:00
ftrace.h arm64: ftrace: enable graph FP test 2018-11-30 13:29:04 +00:00
futex.h arm64: futex: Mask __user pointers prior to dereference 2018-02-06 22:53:42 +00:00
hardirq.h arm64: kdump: implement machine_crash_shutdown() 2017-04-05 18:29:15 +01:00
hugetlb.h hugetlb: introduce generic version of huge_ptep_get 2018-10-26 16:26:34 -07:00
hw_breakpoint.h perf/hw_breakpoint: Remove default hw_breakpoint_arch_parse() 2018-06-26 09:07:58 +02:00
hwcap.h
hypervisor.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
insn.h arm64/insn: add support for emitting ADR/ADRP instructions 2018-11-27 18:47:33 +00:00
io.h arm64: io: Ensure value passed to __iormb() is held in a 64-bit register 2018-11-29 16:36:18 +00:00
irq_work.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq.h arm64: Use the new GENERIC_IRQ_MULTI_HANDLER 2018-08-03 12:14:09 +02:00
irqflags.h arm64: Move the async/fiq helpers to explicitly set process context flags 2017-11-02 15:55:41 +00:00
jump_label.h arm64/kernel: jump_label: Switch to relative references 2018-09-27 17:56:47 +02:00
kasan.h kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage 2018-02-06 18:32:43 -08:00
Kbuild arm64: locking: Replace ticket lock implementation with qspinlock 2018-07-05 10:05:06 +01:00
kernel-pgtable.h arm64/mm: Separate boot-time page tables from swapper_pg_dir 2018-09-25 15:10:54 +01:00
kexec.h arm64: kdump: implement machine_crash_shutdown() 2017-04-05 18:29:15 +01:00
kgdb.h
kprobes.h arm64/kprobes: Remove jprobe implementation 2018-06-21 12:33:07 +02:00
kvm_arm.h KVM updates for v4.20 2018-10-25 17:57:35 -07:00
kvm_asm.h KVM: arm64: Safety check PSTATE when entering guest and handle IL 2018-10-19 11:13:03 +01:00
kvm_coproc.h
kvm_emulate.h arm64/cpufeatures: Introduce ESR_ELx_SYS64_ISS_RT() 2018-09-21 11:05:25 +01:00
kvm_host.h KVM updates for v4.20 2018-10-25 17:57:35 -07:00
kvm_hyp.h kvm: arm64: Configure VTCR_EL2 per VM 2018-10-01 13:50:29 +01:00
kvm_mmio.h
kvm_mmu.h KVM updates for v4.20 2018-10-25 17:57:35 -07:00
linkage.h arm64: relax assembly code alignment from 16 byte to 4 byte 2017-09-18 11:20:19 +01:00
lse.h arm64: lse: Include compiler_types.h and export.h for out-of-line LL/SC 2018-03-27 13:14:49 +01:00
memblock.h
memory.h arm64: KVM: Add support for Stage-2 control of memory types and cacheability 2018-07-09 11:37:41 +01:00
mmu_context.h arm64: mm: apply r/o permissions of VM areas to its linear alias as well 2018-11-20 11:38:26 +00:00
mmu.h arm64/mm: Separate boot-time page tables from swapper_pg_dir 2018-09-25 15:10:54 +01:00
mmzone.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
module.h arm64/module: switch to ADRP/ADD sequences for PLT entries 2018-11-27 19:00:45 +00:00
neon.h arm64: drop unused kernel_neon_begin_partial() macro 2018-07-31 10:13:50 +01:00
numa.h arm64: numa: separate out updates to percpu nodeid and NUMA node cpumap 2018-07-06 13:18:18 +01:00
page-def.h arm64: factor out PAGE_* and CONT_* definitions 2017-08-15 18:35:00 +01:00
page.h arm64: Kconfig: Remove ARCH_HAS_HOLES_MEMORYMODEL 2018-09-21 12:02:45 +01:00
paravirt.h x86/paravirt: Use a single ops structure 2018-09-03 16:50:35 +02:00
pci.h PCI: remove PCI_DMA_BUS_IS_PHYS 2018-05-07 07:15:41 +02:00
percpu.h arm64: percpu: Initialize ret in the default case 2018-09-25 13:26:48 -07:00
perf_event.h arm64/bpf: correct broken uapi for BPF_PROG_TYPE_PERF_EVENT program type 2017-12-05 15:02:41 +01:00
pgalloc.h arm64: mm: Use READ_ONCE/WRITE_ONCE when accessing page tables 2018-02-16 18:13:57 +00:00
pgtable-hwdef.h arm64: mm: Support Common Not Private translations 2018-09-18 12:02:27 +01:00
pgtable-prot.h arm64: KVM: Avoid marking pages as XN in Stage-2 if CTR_EL0.DIC is set 2018-07-09 11:37:42 +01:00
pgtable-types.h arch, mm: convert all architectures to use 5level-fixup.h 2017-03-09 11:48:47 -08:00
pgtable.h arm64: mm: Don't wait for completion of TLB invalidation when page aging 2018-11-26 16:59:46 +00:00
probes.h
proc-fns.h arm64: mm: Move ASID from TTBR0 to TTBR1 2017-12-11 13:40:25 +00:00
processor.h arm64: mm: define NET_IP_ALIGN to 0 2018-11-08 17:50:26 +00:00
ptdump.h
ptrace.h KVM updates for v4.20 2018-10-25 17:57:35 -07:00
sdei.h arm64: Add stack information to on_accessible_stack 2018-07-26 11:36:07 +01:00
seccomp.h
sections.h arm64: mmu: add the entry trampolines start/end section markers into sections.h 2018-01-14 18:49:50 +00:00
shmparam.h
signal32.h arm64: compat: Remove leftover variable declaration 2017-08-10 18:17:32 +01:00
simd.h arm64: neon: Fix function may_use_simd() return error status 2018-07-11 17:02:02 +01:00
smp_plat.h
smp.h arm64: kexec: have own crash_smp_send_stop() for crash dump for nonpanic cores 2017-08-21 18:01:04 +01:00
sparsemem.h arm64: add kconfig symbol to configure physical address size 2017-12-22 17:30:33 +00:00
spinlock_types.h arm64: locking: Replace ticket lock implementation with qspinlock 2018-07-05 10:05:06 +01:00
spinlock.h arm64: locking: Replace ticket lock implementation with qspinlock 2018-07-05 10:05:06 +01:00
stack_pointer.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stackprotector.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stacktrace.h arm64: Add stack information to on_accessible_stack 2018-07-26 11:36:07 +01:00
stage2_pgtable.h kvm: arm64: Allow tuning the physical address size for VM 2018-10-03 11:45:20 +01:00
stat.h y2038: globally rename compat_time to old_time32 2018-08-27 14:48:48 +02:00
string.h arm64: lib: use C string functions with KASAN enabled 2018-10-26 16:25:18 -07:00
suspend.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sync_bitops.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
syscall_wrapper.h arm64: implement syscall wrappers 2018-07-12 14:49:48 +01:00
syscall.h arm64: implement syscall wrappers 2018-07-12 14:49:48 +01:00
sysreg.h arm64: Add support for SB barrier and patch in over DSB; ISB sequences 2018-12-06 16:47:04 +00:00
system_misc.h signal/arm64: Push siginfo generation into arm64_notify_die 2018-09-27 21:52:54 +02:00
thread_info.h Small update for KVM. 2018-06-12 11:34:04 -07:00
timex.h arm64: Use physical counter for in-kernel reads when booted in EL2 2017-11-06 16:23:09 +01:00
tlb.h arm64: tlb: Avoid synchronous TLBIs when freeing page tables 2018-09-11 16:49:12 +01:00
tlbflush.h arm64: tlbi: Set MAX_TLBI_OPS to PTRS_PER_PTE 2018-11-27 19:01:21 +00:00
topology.h sched/topology, arch/arm64: Rebuild the sched_domain hierarchy when the CPU capacity changes 2018-09-10 11:05:47 +02:00
traps.h signal/arm64: Add and use arm64_force_sig_ptrace_errno_trap 2018-09-27 21:55:15 +02:00
uaccess.h arm64: Add support for SB barrier and patch in over DSB; ISB sequences 2018-12-06 16:47:04 +00:00
unistd32.h arm64: convert compat wrappers to C 2018-07-12 14:49:48 +01:00
unistd.h y2038: utimes: Rework #ifdef guards for compat syscalls 2018-08-29 15:42:23 +02:00
uprobes.h
vdso_datapage.h
vdso.h
virt.h arm64: capabilities: Change scope of VHE to Boot CPU feature 2018-03-26 18:01:41 +01:00
vmap_stack.h arm64: Add vmap_stack header file 2018-01-13 10:45:03 +00:00
word-at-a-time.h