[PATCH] arm64: Document sysctls for emulated deprecated instructions

Catalin Marinas catalin.marinas at arm.com
Thu Jul 2 13:45:18 EDT 2020


On Thu, 25 Jun 2020 14:15:07 +0100, Mark Brown wrote:
> We have support for emulating a number of deprecated instructions in the
> kernel with individual Kconfig options enabling this support per
> instruction. In addition to the Kconfig options we also provide runtime
> control via sysctls but this is not currently mentioned in the Kconfig so
> not very discoverable for users. This is particularly important for
> SWP/SWPB since this is disabled by default at runtime and must be enabled
> via the sysctl, causing considerable frustration for users who have enabled
> the config option and are then confused to find that the instruction is
> still faulting.
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64: Document sysctls for emulated deprecated instructions
      https://git.kernel.org/arm64/c/dd72078466ec

-- 
Catalin




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