mbox series

[v2,0/8] Relax sanity checking for mismatched AArch32 EL1

Message ID 20200421142922.18950-1-will@kernel.org (mailing list archive)
Headers show
Series Relax sanity checking for mismatched AArch32 EL1 | expand

Message

Will Deacon April 21, 2020, 2:29 p.m. UTC 
Hi folks,

This is version two of the patches I previously posted here:

	https://lore.kernel.org/lkml/20200414213114.2378-1-will@kernel.org/

Changes since v1 include:

  * Typo fixes
  * Added comment to update_32bit_cpu_features() callsite regarding sanitisation
  * Extended comment in final patch to mention KVM
  * Add acks/tested-bys

Cheers,

Will

Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Cc: Doug Anderson <dianders@chromium.org>
Cc: kernel-team@android.com

--->8

Sai Prakash Ranjan (1):
  arm64: cpufeature: Relax check for IESB support

Will Deacon (7):
  arm64: cpufeature: Spell out register fields for ID_ISAR4 and ID_PFR1
  arm64: cpufeature: Add CPU capability for AArch32 EL1 support
  arm64: cpufeature: Remove redundant call to id_aa64pfr0_32bit_el0()
  arm64: cpufeature: Factor out checking of AArch32 features
  arm64: cpufeature: Relax AArch32 system checks if EL1 is 64-bit only
  arm64: cpufeature: Relax checks for AArch32 support at EL[0-2]
  arm64: cpufeature: Add an overview comment for the cpufeature
    framework

 arch/arm64/include/asm/cpucaps.h    |   3 +-
 arch/arm64/include/asm/cpufeature.h |   7 +
 arch/arm64/include/asm/sysreg.h     |  18 ++
 arch/arm64/kernel/cpufeature.c      | 247 +++++++++++++++++++++-------
 arch/arm64/kvm/reset.c              |  12 +-
 5 files changed, 217 insertions(+), 70 deletions(-)