[PATCH] powerpc/64s: Fix crash in load_fp_state() due to fpexc_mode

[Michael Ellerman]

On Tue, 25 Aug 2020 19:34:24 +1000, Michael Ellerman wrote:
> The recent commit 01eb01877f33 ("powerpc/64s: Fix restore_math
> unnecessarily changing MSR") changed some of the handling of floating
> point/vector restore.
> 
> In particular it caused current->thread.fpexc_mode to be copied into
> the current MSR (via msr_check_and_set()), rather than just into
> regs->msr (which is moved into MSR on return to userspace).
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/64s: Fix crash in load_fp_state() due to fpexc_mode
      https://git.kernel.org/powerpc/c/b91eb5182405b01a8aeb42e9b5207831767e97ee

cheers