mirror-linux/arch/riscv/include/asm
Linus Torvalds b115d85a95 Locking changes in v6.4:
- Introduce local{,64}_try_cmpxchg() - a slightly more optimal
    primitive, which will be used in perf events ring-buffer code.
 
  - Simplify/modify rwsems on PREEMPT_RT, to address writer starvation.
 
  - Misc cleanups/fixes.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:

 - Introduce local{,64}_try_cmpxchg() - a slightly more optimal
   primitive, which will be used in perf events ring-buffer code

 - Simplify/modify rwsems on PREEMPT_RT, to address writer starvation

 - Misc cleanups/fixes

* tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/atomic: Correct (cmp)xchg() instrumentation
  locking/x86: Define arch_try_cmpxchg_local()
  locking/arch: Wire up local_try_cmpxchg()
  locking/generic: Wire up local{,64}_try_cmpxchg()
  locking/atomic: Add generic try_cmpxchg{,64}_local() support
  locking/rwbase: Mitigate indefinite writer starvation
  locking/arch: Rename all internal __xchg() names to __arch_xchg()
2023-05-05 12:56:55 -07:00
..
vdso RISC-V: Add hwprobe vDSO function and data 2023-04-18 15:48:18 -07:00
Kbuild RISC-V: Move to queued RW locks 2022-05-11 11:50:10 -07:00
alternative-macros.h RISC-V: alternatives: Support patching multiple insns in assembly 2023-03-14 21:26:01 -07:00
alternative.h RISC-V: hwprobe: Remove __init on probe_vendor_features() 2023-04-25 21:58:42 -07:00
asm-extable.h riscv: extable: add a dedicated uaccess handler 2022-01-05 17:53:29 -08:00
asm-offsets.h
asm-prototypes.h riscv: entry: Convert to generic entry 2023-03-23 08:47:00 -07:00
asm.h riscv: entry: Consolidate general regs saving/restoring 2023-03-23 08:47:03 -07:00
assembler.h RISC-V: Add arch functions to support hibernation/suspend-to-disk 2023-04-29 11:25:13 -07:00
atomic.h locking/arch: Rename all internal __xchg() names to __arch_xchg() 2023-04-29 09:08:44 +02:00
barrier.h riscv: introduce nops and __nops macros for NOP sequences 2022-07-21 17:17:29 -07:00
bitops.h include: move find.h from asm_generic to linux 2022-01-15 08:47:31 -08:00
bug.h bug: Use normal relative pointers in 'struct bug_entry' 2022-05-19 23:46:10 +02:00
cache.h riscv: Add support for non-coherent devices using zicbom extension 2022-07-28 15:30:51 -07:00
cacheflush.h RISC-V: Add Zicboz detection and block size parsing 2023-03-14 21:26:04 -07:00
cacheinfo.h riscv: Add cache information in AUX vector 2020-09-15 18:46:08 -07:00
clint.h RISC-V: Resurrect the MMIO timer implementation for M-mode systems 2020-09-19 13:21:11 -07:00
clocksource.h riscv: use vDSO common flow to reduce the latency of the time-related functions 2020-06-10 19:47:16 -07:00
cmpxchg.h locking/arch: Rename all internal __xchg() names to __arch_xchg() 2023-04-29 09:08:44 +02:00
compat.h riscv: compat: Add basic compat data type implementation 2022-04-26 13:36:12 -07:00
cpu_ops.h RISC-V: Declare cpu_ops_spinwait in <asm/cpu_ops.h> 2022-08-11 13:06:47 -07:00
cpu_ops_sbi.h riscv: ensure cpu_ops_sbi is declared 2022-08-11 13:46:51 -07:00
cpufeature.h RISC-V: hwprobe: Support probing of misaligned access performance 2023-04-18 15:48:16 -07:00
cpuidle.h RISC-V: Enable CPU_IDLE drivers 2022-03-10 09:29:21 -08:00
csr.h KVM/riscv changes for 6.4 2023-05-05 06:11:48 -04:00
current.h riscv: Rename "sp_in_global" to "current_stack_pointer" 2022-03-30 15:15:27 -07:00
delay.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
efi.h efi: Discover BTI support in runtime services regions 2023-02-04 09:19:02 +01:00
elf.h RISC-V: Only provide the single-letter extensions in HWCAP 2023-02-21 17:21:14 -08:00
entry-common.h riscv: entry: Convert to generic entry 2023-03-23 08:47:00 -07:00
errata_list.h Merge patch series "Remove toolchain dependencies for Zicbom" 2023-02-14 21:33:27 -08:00
extable.h riscv: extable: add `type` and `data` fields 2022-01-05 17:52:54 -08:00
fence.h
fixmap.h riscv: Move early dtb mapping into the fixmap region 2023-04-13 18:14:26 -07:00
ftrace.h RISC-V: Don't check text_mutex during stop_machine 2023-03-09 14:58:51 -08:00
futex.h riscv: extable: add a dedicated uaccess handler 2022-01-05 17:53:29 -08:00
gdb_xml.h riscv: Avoid kgdb.h including gdb_xml.h to solve unused-const-variable warning 2020-07-09 20:12:28 -07:00
gpr-num.h riscv: Add X register names to gpr-nums 2022-10-02 10:17:58 +05:30
hugetlb.h riscv: mm: support Svnapot in hugetlb page 2023-03-07 19:39:16 -08:00
hwcap.h KVM/riscv changes for 6.4 2023-05-05 06:11:48 -04:00
hwprobe.h RISC-V: hwprobe: Support probing of misaligned access performance 2023-04-18 15:48:16 -07:00
image.h RISC-V: Typo fixes in image header and documentation. 2019-12-19 09:32:45 -07:00
insn-def.h RISC-V: Use Zicboz in clear_page when available 2023-03-14 21:26:06 -07:00
insn.h riscv: Add header include guards to insn.h 2023-02-21 17:22:54 -08:00
io.h RISC-V: Fix MEMREMAP_WB for systems with Svpbmt 2022-12-08 15:43:58 -08:00
irq.h irqchip/riscv-intc: Allow drivers to directly discover INTC hwnode 2023-04-08 11:26:24 +01:00
irq_work.h riscv: Fix irq_work when SMP is disabled 2022-06-01 21:46:31 -07:00
irqflags.h riscv: abstract out CSR names for supervisor vs machine mode 2019-11-05 09:20:42 -08:00
jump_label.h riscv: jump_label: Fixup unaligned arch_static_branch function 2023-02-21 17:21:16 -08:00
kasan.h riscv: Implement sv48 support 2022-01-19 17:54:09 -08:00
kdebug.h riscv: Add KGDB support 2020-05-18 11:38:10 -07:00
kexec.h RISC-V: kexec: Fix memory leak of fdt buffer 2022-12-05 10:59:51 -08:00
kfence.h riscv: Enable KFENCE for riscv64 2021-06-30 20:55:41 -07:00
kgdb.h riscv: Avoid kgdb.h including gdb_xml.h to solve unused-const-variable warning 2020-07-09 20:12:28 -07:00
kprobes.h riscv: add riscv rethook implementation 2022-12-02 13:04:05 -08:00
kvm_aia.h RISC-V: KVM: Virtualize per-HART AIA CSRs 2023-04-21 18:10:27 +05:30
kvm_host.h RISC-V: KVM: Use bitmap for irqs_pending and irqs_pending_mask 2023-04-21 17:45:58 +05:30
kvm_types.h KVM: RISC-V: Use common KVM implementation of MMU memory caches 2022-01-06 14:38:50 +05:30
kvm_vcpu_fp.h RISC-V: KVM: Improve ISA extension by using a bitmap 2022-07-29 17:14:11 +05:30
kvm_vcpu_insn.h RISC-V: KVM: Add extensible CSR emulation framework 2022-07-29 17:14:53 +05:30
kvm_vcpu_pmu.h RISC-V: KVM: Support firmware events 2023-02-07 20:36:06 +05:30
kvm_vcpu_sbi.h RISC-V: KVM: Add ONE_REG interface to enable/disable SBI extensions 2023-04-21 17:38:44 +05:30
kvm_vcpu_timer.h RISC-V: KVM: Fix kvm_riscv_vcpu_timer_pending() for Sstc 2022-10-21 11:52:45 +05:30
linkage.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
mmio.h riscv: Use generic pgprot_* macros from <linux/pgtable.h> 2020-07-30 11:37:46 -07:00
mmiowb.h riscv: mmiowb: Fix implicit declaration of function 'smp_processor_id' 2020-05-13 17:11:46 -07:00
mmu.h Revert "riscv: mm: notify remote harts about mmu cache updates" 2023-03-09 15:22:01 -08:00
mmu_context.h riscv: add ASID-based tlbflushing methods 2021-06-30 20:55:39 -07:00
mmzone.h riscv: Add numa support for riscv64 platform 2021-01-14 15:08:58 -08:00
module.h riscv: module: move find_section to module.h 2023-01-31 23:29:39 -08:00
module.lds.h riscv module: remove (NOLOAD) 2022-03-29 14:31:07 -07:00
numa.h riscv: Add numa support for riscv64 platform 2021-01-14 15:08:58 -08:00
page.h Merge patch series "riscv: Use PUD/P4D/PGD pages for the linear mapping" 2023-04-18 20:43:07 -07:00
patch.h RISC-V: Don't check text_mutex during stop_machine 2023-03-09 14:58:51 -08:00
pci.h RISC-V Patches for the 5.20 Merge Window, Part 1 2022-08-06 15:04:48 -07:00
perf_event.h RISC-V: Remove the current perf implementation 2022-03-21 14:58:12 -07:00
pgalloc.h riscv: Sync efi page table's kernel mappings before switching 2022-11-28 16:36:34 -08:00
pgtable-32.h riscv: add RISC-V Svpbmt extension support 2022-05-11 21:36:33 -07:00
pgtable-64.h riscv: mm: modify pte format for Svnapot 2023-03-07 19:39:15 -08:00
pgtable-bits.h riscv/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE 2023-02-02 22:33:09 -08:00
pgtable.h RISC-V Patches for the 6.4 Merge Window, Part 1 2023-04-28 16:55:39 -07:00
probes.h riscv: Add kprobes supported 2021-01-14 15:09:06 -08:00
processor.h kernel: exit: cleanup release_thread() 2022-09-11 21:55:07 -07:00
ptdump.h riscv: support DEBUG_WX 2020-06-03 20:09:50 -07:00
ptrace.h riscv: entry: Convert to generic entry 2023-03-23 08:47:00 -07:00
sbi.h RISC-V: Align SBI probe implementation with spec 2023-04-29 13:04:50 -07:00
seccomp.h riscv: Enable seccomp architecture tracking 2020-11-20 11:16:35 -08:00
sections.h riscv: Map the kernel with correct permissions the first time 2021-06-30 21:18:58 -07:00
semihost.h riscv: Implement semihost.h for earlycon semihost driver 2023-01-19 14:58:19 +01:00
set_memory.h riscv: Prepare EFI header for relocatable kernels 2023-04-19 07:46:28 -07:00
signal.h RISC-V: Fix do_notify_resume / do_work_pending prototype 2023-01-24 22:13:15 -08:00
signal32.h riscv: compat: signal: Add rt_frame implementation 2022-05-17 16:37:21 -07:00
smp.h RISC-V: Allow marking IPIs as suitable for remote FENCEs 2023-04-08 11:26:24 +01:00
soc.h riscv: Fix builtin DTB handling 2021-01-07 19:00:50 -08:00
sparsemem.h riscv: Allow to dynamically define VA_BITS 2022-01-19 17:54:07 -08:00
stackprotector.h stackprotector: actually use get_random_canary() 2022-11-18 02:18:10 +01:00
stacktrace.h riscv: entry: Convert to generic entry 2023-03-23 08:47:00 -07:00
string.h RISC-V: add infrastructure to allow different str* implementations 2023-01-31 11:43:23 -08:00
suspend.h RISC-V: Add arch functions to support hibernation/suspend-to-disk 2023-04-29 11:25:13 -07:00
switch_to.h riscv: fpu: switch has_fpu() to riscv_has_extension_likely() 2023-01-31 23:29:38 -08:00
syscall.h Merge patch series "RISC-V Hardware Probing User Interface" 2023-04-18 19:49:51 -07:00
thread_info.h riscv: entry: Convert to generic entry 2023-03-23 08:47:00 -07:00
timex.h riscv: use fallback for random_get_entropy() instead of zero 2022-05-13 23:59:23 +02:00
tlb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
tlbflush.h riscv: mm: Fix incorrect ASID argument when flushing TLB 2023-03-21 15:55:19 -07:00
topology.h Merge patch series "Introduce 64b relocatable kernel" 2023-04-19 07:47:45 -07:00
uaccess.h riscv: uaccess: fix type of 0 variable on error in get_user() 2023-01-05 12:30:41 -08:00
unistd.h riscv: Wire up memfd_secret in UAPI header 2022-06-01 21:46:36 -07:00
uprobes.h riscv: Add uprobes supported 2021-01-14 15:09:08 -08:00
vdso.h riscv: alternative: patch alternatives in the vDSO 2023-01-31 23:29:42 -08:00
vendorid_list.h riscv: add memory-type errata for T-Head 2022-05-11 21:36:33 -07:00
vermagic.h arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h> 2020-04-23 10:50:26 +09:00
vmalloc.h riscv: mm: support Svnapot in huge vmap 2023-03-07 19:39:17 -08:00
word-at-a-time.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
xip_fixup.h RISC-V: Split out the XIP fixups into their own file 2022-05-25 14:43:33 -07:00