[PATCH v2] arm64/traps: Avoid unnecessary kernel/user pointer conversion

Will Deacon will at kernel.org
Wed Sep 29 10:48:22 PDT 2021


On Fri, 17 Sep 2021 11:28:11 +0530, Amit Daniel Kachhap wrote:
> Annotating a pointer from kernel to __user and then back again requires
> an extra __force annotation to silent sparse warning. In call_undef_hook()
> this unnecessary complexity can be avoided by modifying the intermediate
> user pointer to unsigned long.
> 
> This way there is no inter-changeable use of user and kernel pointers
> and the code is consistent.
> 
> [...]

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

[1/1] arm64/traps: Avoid unnecessary kernel/user pointer conversion
      https://git.kernel.org/arm64/c/f5b650f887f3

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev



More information about the linux-arm-kernel mailing list