diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-06 20:51:49 +0200 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-06 20:51:49 +0200 |
commit | 18fd049731e67651009f316195da9281b756f2cf (patch) | |
tree | 082c87950f33bc466672ea3fd2ea24e5b2a37253 /arch/arm64/include/asm/kvm_mmu.h | |
parent | Merge tag 'arm-soc-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc (diff) | |
parent | arm64: alternatives: Use vdso/bits.h instead of linux/bits.h (diff) | |
download | linux-18fd049731e67651009f316195da9281b756f2cf.tar.xz linux-18fd049731e67651009f316195da9281b756f2cf.zip |
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- arm64 perf: DDR PMU driver for Alibaba's T-Head Yitian 710 SoC, SVE
vector granule register added to the user regs together with SVE perf
extensions documentation.
- SVE updates: add HWCAP for SVE EBF16, update the SVE ABI
documentation to match the actual kernel behaviour (zeroing the
registers on syscall rather than "zeroed or preserved" previously).
- More conversions to automatic system registers generation.
- vDSO: use self-synchronising virtual counter access in gettimeofday()
if the architecture supports it.
- arm64 stacktrace cleanups and improvements.
- arm64 atomics improvements: always inline assembly, remove LL/SC
trampolines.
- Improve the reporting of EL1 exceptions: rework BTI and FPAC
exception handling, better EL1 undefs reporting.
- Cortex-A510 erratum 2658417: remove BF16 support due to incorrect
result.
- arm64 defconfig updates: build CoreSight as a module, enable options
necessary for docker, memory hotplug/hotremove, enable all PMUs
provided by Arm.
- arm64 ptrace() support for TPIDR2_EL0 (register provided with the SME
extensions).
- arm64 ftraces updates/fixes: fix module PLTs with mcount, remove
unused function.
- kselftest updates for arm64: simple HWCAP validation, FP stress test
improvements, validation of ZA regs in signal handlers, include
larger SVE and SME vector lengths in signal tests, various cleanups.
- arm64 alternatives (code patching) improvements to robustness and
consistency: replace cpucap static branches with equivalent
alternatives, associate callback alternatives with a cpucap.
- Miscellaneous updates: optimise kprobe performance of patching
single-step slots, simplify uaccess_mask_ptr(), move MTE registers
initialisation to C, support huge vmalloc() mappings, run softirqs on
the per-CPU IRQ stack, compat (arm32) misalignment fixups for
multiword accesses.
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (126 commits)
arm64: alternatives: Use vdso/bits.h instead of linux/bits.h
arm64/kprobe: Optimize the performance of patching single-step slot
arm64: defconfig: Add Coresight as module
kselftest/arm64: Handle EINTR while reading data from children
kselftest/arm64: Flag fp-stress as exiting when we begin finishing up
kselftest/arm64: Don't repeat termination handler for fp-stress
ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs
arm64/mm: fold check for KFENCE into can_set_direct_map()
arm64: ftrace: fix module PLTs with mcount
arm64: module: Remove unused plt_entry_is_initialized()
arm64: module: Make plt_equals_entry() static
arm64: fix the build with binutils 2.27
kselftest/arm64: Don't enable v8.5 for MTE selftest builds
arm64: uaccess: simplify uaccess_mask_ptr()
arm64: asm/perf_regs.h: Avoid C++-style comment in UAPI header
kselftest/arm64: Fix typo in hwcap check
arm64: mte: move register initialization to C
arm64: mm: handle ARM64_KERNEL_USES_PMD_MAPS in vmemmap_populate()
arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()
arm64/sve: Add Perf extensions documentation
...
Diffstat (limited to 'arch/arm64/include/asm/kvm_mmu.h')
-rw-r--r-- | arch/arm64/include/asm/kvm_mmu.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index b208da3bebec..7784081088e7 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -63,7 +63,7 @@ * specific registers encoded in the instructions). */ .macro kern_hyp_va reg -alternative_cb kvm_update_va_mask +alternative_cb ARM64_ALWAYS_SYSTEM, kvm_update_va_mask and \reg, \reg, #1 /* mask with va_mask */ ror \reg, \reg, #1 /* rotate to the first tag bit */ add \reg, \reg, #0 /* insert the low 12 bits of the tag */ @@ -97,7 +97,7 @@ alternative_cb_end hyp_pa \reg, \tmp /* Load kimage_voffset. */ -alternative_cb kvm_get_kimage_voffset +alternative_cb ARM64_ALWAYS_SYSTEM, kvm_get_kimage_voffset movz \tmp, #0 movk \tmp, #0, lsl #16 movk \tmp, #0, lsl #32 @@ -131,6 +131,7 @@ static __always_inline unsigned long __kern_hyp_va(unsigned long v) "add %0, %0, #0\n" "add %0, %0, #0, lsl 12\n" "ror %0, %0, #63\n", + ARM64_ALWAYS_SYSTEM, kvm_update_va_mask) : "+r" (v)); return v; |