On Fri, 25 Aug 2023 11:49:10 +1000, Benjamin Gray wrote:

To determine if a trap was caused by a HASHCHK instruction, we inspect
the user instruction that triggered the trap. However this may sleep
if the page needs to be faulted in.

Move the HASHCHK handler logic to after we allow IRQs, which is fine
because we are only interested in HASHCHK if it's a user space trap.

[...]

Applied to powerpc/fixes.

[1/1] powerpc/dexcr: Move HASHCHK trap handler
      https://git.kernel.org/powerpc/c/c3f4309693758b13fbb34b3741c2e2801ad28769

cheers