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Mark Brown e0838f6373 arm64/sme: Save and restore streaming mode over EFI runtime calls 
When saving and restoring the floating point state over an EFI runtime
call ensure that we handle streaming mode, only handling FFR if we are not
in streaming mode and ensuring that we are in normal mode over the call
into runtime services.

We currently assume that ZA will not be modified by runtime services, the
specification is not yet finalised so this may need updating if that
changes.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419112247.711548-24-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-04-22 18:51:21 +01:00
..
probes
arm64: kprobes: Make a frame pointer on __kretprobe_trampoline
2021-10-22 12:16:53 -04:00
vdso
arm64: vdso: Fix "no previous prototype" warning
2022-01-24 12:08:28 +00:00
vdso32
Kbuild: move to -std=gnu11
2022-03-13 17:31:37 +09:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
acpi_numa.c
arm64, numa: Change the numa init functions name to be generic
2021-01-14 15:08:54 -08:00
acpi_parking_protocol.c
arm64: use function_nocfi with __pa_symbol
2021-04-08 16:04:22 -07:00
acpi.c
arm64: Simplify checking for populated DT
2021-12-06 16:12:53 +00:00
alternative.c
arm64: alternatives: mark patch_alternative() as noinstr
2022-04-06 11:23:48 +01:00
armv8_deprecated.c
arm64: extable: add a dedicated uaccess handler
2021-10-21 10:45:22 +01:00
asm-offsets.c
KVM: arm64: Drop unused workaround_flags vcpu field
2021-12-08 14:54:07 +00:00
cacheinfo.c
drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()
2021-09-01 10:29:10 +02:00
cpu_errata.c
arm64 updates for 5.18
2022-03-21 10:46:39 -07:00
cpu_ops.c
arm64: Introduce get_cpu_ops() helper function
2020-03-24 17:24:19 +00:00
cpu-reset.S
arm64: kexec: remove cpu-reset.h
2021-10-01 13:31:00 +01:00
cpufeature.c
arm64/sme: Identify supported SME vector lengths at boot
2022-04-22 18:50:51 +01:00
cpuidle.c
cpuidle: PSCI: Move the has_lpi check to the beginning of the function
2022-03-03 20:20:06 +01:00
cpuinfo.c
arm64/sme: Identify supported SME vector lengths at boot
2022-04-22 18:50:51 +01:00
crash_core.c
arm64: crash_core: Export MODULES, VMALLOC, and VMEMMAP ranges
2022-03-07 21:25:47 +00:00
crash_dump.c
arm64: kdump: update ppos when reading elfcorehdr
2021-03-22 12:46:38 +00:00
debug-monitors.c
arm64: expose FAR_EL1 tag bits in siginfo
2020-11-23 18:17:39 +00:00
efi-entry.S
arm64: Rename arm64-internal cache maintenance functions
2021-05-25 19:27:49 +01:00
efi-header.S
arm64: head: tidy up the Image header definition
2020-11-17 16:14:20 +00:00
efi-rt-wrapper.S
Merge branch 'for-next/scs' into for-next/core
2020-05-28 18:03:40 +01:00
efi.c
arm64: efi: Export screen_info
2021-08-04 16:54:36 +00:00
elfcore.c
arm64: mte: Fix the stack frame size warning in mte_dump_tag_range()
2022-04-04 09:59:27 +01:00
entry-common.c
arm64/sme: Implement traps and syscall handling for SME
2022-04-22 18:51:05 +01:00
entry-fpsimd.S
arm64/sme: Implement ZA context switching
2022-04-22 18:51:02 +01:00
entry-ftrace.S
arm64: Use BTI C directly and unconditionally
2021-12-14 18:12:58 +00:00
entry.S
Merge branch 'for-next/spectre-bhb' into for-next/core
2022-03-14 19:08:31 +00:00
fpsimd.c
arm64/sme: Save and restore streaming mode over EFI runtime calls
2022-04-22 18:51:21 +01:00
ftrace.c
arm64: ftrace: use HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
2021-11-16 09:47:54 +00:00
head.S
sched: move CPU field back into thread_info if THREAD_INFO_IN_TASK=y
2021-09-30 16:13:10 +02:00
hibernate-asm.S
arm64: kexec: install a copy of the linear-map
2021-10-01 13:31:00 +01:00
hibernate.c
arm64: Drop outdated links in comments
2022-01-05 11:51:01 +00:00
hw_breakpoint.c
arm64: fix typos in comments
2022-04-04 10:32:50 +01:00
hyp-stub.S
Merge remote-tracking branch 'arm64/for-next/vhe-only' into kvmarm-master/next
2021-04-13 15:42:40 +01:00
idle.c
Merge branch 'for-next/entry' into for-next/core
2021-06-24 14:01:55 +01:00
idreg-override.c
arm64: Add support of PAuth QARMA3 architected algorithm
2022-02-25 13:38:52 +00:00
image-vars.h
ARM:
2022-03-24 11:58:57 -07:00
image.h
arm64: get rid of TEXT_OFFSET
2020-09-07 15:00:52 +01:00
io.c
…
irq.c
arm64: irq: allow FIQs to be handled
2021-03-24 20:19:30 +00:00
jump_label.c
arm64: insn: decouple patching from insn code
2021-06-11 11:19:27 +01:00
kaslr.c
arm64: fix the doc of RANDOMIZE_MODULE_REGION_FULL
2021-08-03 10:36:42 +01:00
kexec_image.c
arm64: kexec_file: Fix sparse warning
2020-11-10 13:11:44 +00:00
kgdb.c
arm64: insn: decouple patching from insn code
2021-06-11 11:19:27 +01:00
kuser32.S
docs: arm: convert docs to ReST and rename to *.rst
2019-07-15 09:20:24 -03:00
machine_kexec_file.c
arm64: kexec: Fix missing error code 'ret' warning in load_other_segments()
2021-12-16 17:44:58 +00:00
machine_kexec.c
Merge branches 'for-next/misc', 'for-next/cache-ops-dzp', 'for-next/stacktrace', 'for-next/xor-neon', 'for-next/kasan', 'for-next/armv8_7-fp', 'for-next/atomics', 'for-next/bti', 'for-next/sve', 'for-next/kselftest' and 'for-next/kcsan', remote-tracking branch 'arm64/for-next/perf' into for-next/core
2022-01-05 18:14:32 +00:00
Makefile
arm64: mte: Dump the MTE tags in the core file
2022-02-15 22:53:29 +00:00
module-plts.c
arm64: fix typos in comments
2022-04-04 10:32:50 +01:00
module.c
kasan, arm64: don't tag executable vmalloc allocations
2022-03-24 19:06:48 -07:00
mte.c
arm64/mte: Remove asymmetric mode from the prctl() interface
2022-03-09 18:14:56 +00:00
paravirt.c
x86/paravirt: Switch time pvops functions to use static_call()
2021-03-11 16:17:52 +01:00
patching.c
arm64: patch_text: Fixup last cpu should be master
2022-04-08 11:43:46 +01:00
pci.c
arm64: PCI: Support root bridge preparation for Hyper-V
2021-08-23 10:59:26 +01:00
perf_callchain.c
Peter Zijlstra says:
2022-01-12 16:26:58 -08:00
perf_event.c
arm64: perf: Expose some Armv9 common events under sysfs
2022-03-08 11:40:44 +00:00
perf_regs.c
perf/arch: Remove perf_sample_data::regs_user_copy
2020-11-09 18:12:34 +01:00
pointer_auth.c
arm64: move preemption disablement to prctl handlers
2021-07-28 18:33:49 +01:00
process.c
arm64/sme: Implement traps and syscall handling for SME
2022-04-22 18:51:05 +01:00
proton-pack.c
arm64: Add part number for Arm Cortex-A78AE
2022-04-08 11:46:46 +01:00
psci.c
arm64: use function_nocfi with __pa_symbol
2021-04-08 16:04:22 -07:00
ptrace.c
arm64/sme: Add ptrace support for ZA
2022-04-22 18:51:17 +01:00
reloc_test_core.c
…
reloc_test_syms.S
arm64: kernel: Convert to modern annotations for assembly functions
2020-05-04 12:46:03 +01:00
relocate_kernel.S
arm64: kexec: keep MMU enabled during kexec relocation
2021-10-01 13:31:00 +01:00
return_address.c
arm64: Make return_address() use arch_stack_walk()
2021-12-10 14:06:04 +00:00
sdei.c
arm64: kernel: add helper for booted at EL2 and not VHE
2021-10-01 13:30:59 +01:00
setup.c
drivers/base/node: consolidate node device subsystem initialization in node_dev_init()
2022-03-22 15:57:10 -07:00
signal32.c
arm64 updates for 5.15:
2021-09-01 15:04:29 -07:00
signal.c
arm64/sme: Implement ZA signal handling
2022-04-22 18:51:13 +01:00
sigreturn32.S
…
sleep.S
kasan: remove redundant config option
2021-04-16 16:10:36 -07:00
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
arm64: Rename arm64-internal cache maintenance functions
2021-05-25 19:27:49 +01:00
smp.c
arch/arm64: Fix topology initialization for core scheduling
2022-04-04 10:24:22 +01:00
stacktrace.c
arm64: Mark start_backtrace() notrace and NOKPROBE_SYMBOL
2022-01-24 14:25:20 +00:00
suspend.c
arm64: fix typos in comments
2022-04-04 10:32:50 +01:00
sys32.c
…
sys_compat.c
arm64: drop unused includes of <linux/personality.h>
2022-03-08 10:23:42 +00:00
sys.c
…
syscall.c
arm64/sme: Implement traps and syscall handling for SME
2022-04-22 18:51:05 +01:00
time.c
arm64: Make profile_pc() use arch_stack_walk()
2021-12-10 14:06:04 +00:00
topology.c
topology: Represent clusters of CPUs within a die
2021-10-15 11:25:15 +02:00
trace-events-emulation.h
…
traps.c
arm64/sme: System register and exception syndrome definitions
2022-04-22 18:50:43 +01:00
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
Merge branches 'for-next/misc', 'for-next/kselftest', 'for-next/xntable', 'for-next/vdso', 'for-next/fiq', 'for-next/epan', 'for-next/kasan-vmalloc', 'for-next/fgt-boot-init', 'for-next/vhe-only' and 'for-next/neon-softirqs-disabled', remote-tracking branch 'arm64/for-next/perf' into for-next/core
2021-04-15 14:00:38 +01:00
vmlinux.lds.S
arm64: entry: Allow the trampoline text to occupy multiple pages
2022-02-15 17:40:28 +00:00