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c5e2edeb01
linux/arch/arm64/include/asm
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Jean-Philippe Brucker c5e2edeb01 arm64: insn: Fix ldadd instruction encoding 
GCC 8.1.0 reports that the ldadd instruction encoding, recently added to
insn.c, doesn't match the mask and couldn't possibly be identified:

 linux/arch/arm64/include/asm/insn.h: In function 'aarch64_insn_is_ldadd':
 linux/arch/arm64/include/asm/insn.h:280:257: warning: bitwise comparison always evaluates to false [-Wtautological-compare]

Bits [31:30] normally encode the size of the instruction (1 to 8 bytes)
and the current instruction value only encodes the 4- and 8-byte
variants. At the moment only the BPF JIT needs this instruction, and
doesn't require the 1- and 2-byte variants, but to be consistent with
our other ldr and str instruction encodings, clear the size field in the
insn value.

Fixes: 34b8ab091f ("bpf, arm64: use more scalable stadd over ldxr / stxr loop in xadd")
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Reported-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2019-05-24 14:58:29 +01:00
..
xen arm64/xen: fix xen-swiotlb cache flushing 2019-01-23 22:14:56 +01:00
acenv.h
acpi.h arm64: KVM/mm: Move SEA handling behind a single 'claim' interface 2019-02-07 23:10:45 +01:00
alternative.h arm64: alternative: Apply alternatives early in boot process 2019-02-06 10:05:20 +00:00
arch_gicv3.h arm64: gic-v3: Implement arch support for priority masking 2019-02-06 10:05:21 +00:00
arch_timer.h Merge branch 'for-next/timers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux into for-next/core 2019-05-01 15:45:36 +01:00
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-prototypes.h arm64: asm-prototypes: Fix fat-fingered typo in comment 2019-01-10 11:11:46 +00:00
asm-uaccess.h arm64: Rename get_thread_info() 2019-02-26 16:57:59 +00:00
assembler.h arm64: add CVADP support to the cache maintenance helper 2019-04-16 16:27:58 +01:00
atomic_ll_sc.h Merge branch 'locking/atomics' into locking/core, to pick up WIP commits 2019-02-11 14:27:05 +01:00
atomic_lse.h Merge branch 'locking/atomics' into locking/core, to pick up WIP commits 2019-02-11 14:27:05 +01:00
atomic.h arm64, locking/atomics: Use instrumented atomics 2018-11-01 11:01:40 +01:00
barrier.h arm64: instrument smp_{load_acquire,store_release} 2019-04-16 16:28:00 +01:00
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 treewide: replace #include <asm/sizes.h> with #include <linux/sizes.h> 2019-05-14 19:52:52 -07:00
brk-imm.h arm64: probes: Move magic BRK values into brk-imm.h 2019-04-09 11:21:13 +01:00
bug.h arm64: Add ASM_BUG() 2017-08-08 16:28:13 +01:00
cache.h kasan, arm64: remove redundant ARCH_SLAB_MINALIGN define 2019-01-16 12:09:11 +00:00
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 Merge branch 'locking/atomics' into locking/core, to pick up WIP commits 2019-02-11 14:27:05 +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: Handle erratum 1418040 as a superset of erratum 1188873 2019-05-23 15:40:30 +01:00
cpufeature.h arm64: mark (__)cpus_have_const_cap as __always_inline 2019-05-14 19:52:48 -07:00
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: Add part number for Neoverse N1 2019-04-30 14:46:06 +01:00
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 updates for 5.1: 2019-03-10 10:17:23 -07:00
dcc.h arm64: dcc: simplify accessors 2016-09-09 11:41:13 +01:00
debug-monitors.h arm64: probes: Move magic BRK values into brk-imm.h 2019-04-09 11:21:13 +01:00
device.h arm64/xen: fix xen-swiotlb cache flushing 2019-01-23 22:14:56 +01:00
dma-mapping.h dma-mapping: add a kconfig symbol for arch_teardown_dma_ops availability 2019-02-13 19:12:50 +01:00
dmi.h
efi.h arm64: irqflags: Use ICC_PMR_EL1 for interrupt masking 2019-02-06 10:05:19 +00:00
elf.h arm64: compat: Alloc separate pages for vectors and sigpage 2019-04-23 18:01:31 +01:00
esr.h arm64: Handle trapped DC CVADP 2019-04-16 16:27:36 +01:00
exception.h arm64: kernel: Prepare for a DISR user 2018-01-16 15:07:12 +00:00
exec.h arm64: suspend: Reconfigure PSTATE after resume from idle 2016-10-20 09:50:54 +01:00
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 firmware: arm_sdei: Add ACPI GHES registration helper 2019-02-11 11:07:49 +01:00
fpsimd.h arm64/sve: Clarify vq map semantics 2019-04-18 17:14:01 +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 festive updates for 4.21 2018-12-25 17:41:56 -08:00
futex.h arm64 updates for 5.2 2019-05-06 17:54:22 -07:00
hardirq.h arm64: Fix HCR.TGE status for NMI contexts 2019-02-06 10:05:16 +00:00
hugetlb.h hugetlb: allow to free gigantic pages regardless of the configuration 2019-05-14 09:47:47 -07:00
hw_breakpoint.h perf/hw_breakpoint: Remove default hw_breakpoint_arch_parse() 2018-06-26 09:07:58 +02:00
hwcap.h arm64: Expose SVE2 features for userspace 2019-04-23 18:02:00 +01:00
hypervisor.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
image.h arm64: add image head flag definitions 2018-12-06 14:38:51 +00:00
insn.h arm64: insn: Fix ldadd instruction encoding 2019-05-24 14:58:29 +01:00
io.h arm64/io: Remove useless definition of mmiowb() 2019-04-08 11:59:57 +01:00
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: sysreg: Make mrs_s and msr_s macros work with Clang and LTO 2019-04-25 14:59:49 +01:00
jump_label.h arm64/kernel: jump_label: Switch to relative references 2018-09-27 17:56:47 +02:00
kasan.h kasan: add tag related helper functions 2018-12-28 12:11:43 -08:00
Kbuild asm-generic: kill <asm/segment.h> and improve nommu generic uaccess helpers 2019-05-16 11:26:37 -07:00
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: kexec_file: allow for loading Image-format kernel 2018-12-06 14:38:52 +00:00
kgdb.h arm64: kgdb: Match pstate size with gdbserver protocol 2016-06-16 19:20:51 +01:00
kprobes.h arm64: kprobes: Avoid calling kprobes debug handlers explicitly 2019-04-09 11:21:13 +01:00
kvm_arm.h * ARM: selftests improvements, large PUD support for HugeTLB, 2018-12-26 11:46:28 -08:00
kvm_asm.h arm64: KVM: Encapsulate kvm_cpu_context in kvm_host_data 2019-04-24 15:35:24 +01:00
kvm_coproc.h
kvm_emulate.h KVM: arm/arm64: Context-switch ptrauth registers 2019-04-24 15:30:40 +01:00
kvm_host.h arm64: KVM: Enable VHE support for :G/:H perf event modifiers 2019-04-24 15:46:26 +01:00
kvm_hyp.h * ARM: support for SVE and Pointer Authentication in guests, PMU improvements 2019-05-17 10:33:30 -07:00
kvm_mmio.h KVM: arm/arm64: Export mmio_read/write_bus 2016-05-20 15:39:42 +02:00
kvm_mmu.h KVM: arm/arm64: vgic-its: Take the srcu lock when writing to guest memory 2019-03-19 17:56:56 +00:00
kvm_ptrauth.h KVM: arm/arm64: Context-switch ptrauth registers 2019-04-24 15:30:40 +01:00
kvm_ras.h arm64: KVM/mm: Move SEA handling behind a single 'claim' interface 2019-02-07 23:10:45 +01:00
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
memory.h treewide: replace #include <asm/sizes.h> with #include <linux/sizes.h> 2019-05-14 19:52:52 -07:00
mmu_context.h arm64: Kconfig: Re-jig CONFIG options for 52-bit VA 2018-12-10 18:42:18 +00:00
mmu.h arm64: Remove asm/memblock.h 2019-01-21 17:31:15 +00:00
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/ftrace: fix inadvertent BUG() in trampoline check 2019-04-08 16:58:13 +01:00
neon-intrinsics.h arm64/neon: Disable -Wincompatible-pointer-types when building with Clang 2019-02-18 10:54:47 +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: Fix LSE implementation of value-returning pcpu atomics 2018-12-12 14:43:35 +00:00
perf_event.h arm64: perf: Treat EXCLUDE_EL* bit definitions as unsigned 2018-12-13 15:34:44 +00:00
pgalloc.h arm64: mm: enable per pmd page table lock 2019-04-09 11:21:50 +01:00
pgtable-hwdef.h arm64: Add workaround for Fujitsu A64FX erratum 010001 2019-02-28 16:24:25 +00:00
pgtable-prot.h arm64: kpti: Avoid rewriting early page tables when KASLR is enabled 2019-01-10 17:49:35 +00:00
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: Remove pte_unmap_nested() 2019-04-30 12:02:20 +01:00
pointer_auth.h arm64: Use the correct style for SPDX License Identifier 2019-04-16 16:28:01 +01:00
preempt.h arm64: preempt: Provide our own implementation of asm/preempt.h 2018-12-07 12:35:53 +00:00
probes.h arm64: Remove reference to asm/opcodes.h 2016-12-05 10:42:34 +00:00
proc-fns.h arm64: mm: Move ASID from TTBR0 to TTBR1 2017-12-11 13:40:25 +00:00
processor.h arm64: compat: Reduce address limit for 64K pages 2019-04-30 11:04:50 +01:00
ptdump.h arm64: dump: no need to check return value of debugfs_create functions 2019-01-31 17:38:19 +00:00
ptrace.h arm64: ptrace: Add function argument access API 2019-04-12 17:04:27 +01:00
sdei.h arm64: Use the correct style for SPDX License Identifier 2019-04-16 16:28:01 +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: Alloc separate pages for vectors and sigpage 2019-04-23 18:01:31 +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: smp: Fix compilation error 2019-01-03 15:14:32 +00:00
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 arm64: enable per-task stack canaries 2018-12-12 18:45:31 +00:00
stacktrace.h arm64: Add stack information to on_accessible_stack 2018-07-26 11:36:07 +01:00
stage2_pgtable.h KVM: ARM: Remove pgtable page standard functions from stage-2 page tables 2019-04-09 11:21:50 +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 arm64, locking/atomics: Use instrumented atomics 2018-11-01 11:01:40 +01:00
syscall_wrapper.h arm64: implement syscall wrappers 2018-07-12 14:49:48 +01:00
syscall.h audit/stable-5.2 PR 20190507 2019-05-07 19:06:04 -07:00
sysreg.h * ARM: support for SVE and Pointer Authentication in guests, PMU improvements 2019-05-17 10:33:30 -07:00
system_misc.h arm64: mm: Make show_pte() a static function 2019-04-03 13:36:54 +01:00
thread_info.h arm64: Remove documentation about TIF_USEDFPU 2019-02-26 16:41:10 +00:00
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 updates for 5.2 2019-05-06 17:54:22 -07:00
tlbflush.h arm64 festive updates for 4.21 2018-12-25 17:41:56 -08:00
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 updates for 5.1: 2019-03-10 10:17:23 -07:00
unistd32.h uapi: Wire up the mount API syscalls on non-x86 arches [ver #2] 2019-05-16 12:23:45 -04:00
unistd.h uapi: Wire up the mount API syscalls on non-x86 arches [ver #2] 2019-05-16 12:23:45 -04:00
uprobes.h arm64: Add uprobe support 2016-11-07 18:15:21 +00:00
vdso_datapage.h arm64: vdso: Fix clock_getres() for CLOCK_REALTIME 2019-04-16 18:15:56 +01:00
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: Use the correct style for SPDX License Identifier 2019-04-16 16:28:01 +01:00
word-at-a-time.h Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
xor.h arm64: crypto: add NEON accelerated XOR implementation 2018-12-06 16:47:06 +00:00