[PATCH] arm64: entry: add missing noinstr
Will Deacon
will at kernel.org
Thu Jul 15 10:39:01 PDT 2021
On Wed, 14 Jul 2021 18:28:01 +0100, Mark Rutland wrote:
> We intend that all the early exception handling code is marked as
> `noinstr`, but we forgot this for __el0_error_handler_common(), which is
> called before we have completed entry from user mode. If it were
> instrumented, we could run into problems with RCU, lockdep, etc.
>
> Mark it as `noinstr` to prevent this.
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64: entry: add missing noinstr
https://git.kernel.org/arm64/c/31a7f0f6c8f3
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
More information about the linux-arm-kernel
mailing list