Messages in this thread | | | Subject | Re: [PATCH 6/8] arm64: cpufeature: Relax AArch32 system checks if EL1 is 64-bit only | From | Suzuki K Poulose <> | Date | Wed, 15 Apr 2020 11:43:36 +0100 |
| |
On 04/14/2020 10:31 PM, Will Deacon wrote: > If AArch32 is not supported at EL1, the AArch32 feature register fields > no longer advertise support for some system features: > > * ISAR4.SMC > * PFR1.{Virt_frac, Sec_frac, Virtualization, Security, ProgMod} > > In which case, we don't need to emit "SANITY CHECK" failures for all of > them. > > Add logic to relax the strictness of individual feature register fields > at runtime and use this for the fields above if 32-bit EL1 is not > supported. > > Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
| |