powerpc/signal: Update comment for clarity
authorRashmica Gupta <rashmica@linux.ibm.com>
Fri, 17 Jun 2022 04:31:35 +0000 (14:31 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 28 Jul 2022 06:22:14 +0000 (16:22 +1000)
commite4787e71ae2de3f60bc04fe09d1be4ef628b6c68
tree99ec2df994e0ef313402f8e94a3b86647d7916aa
parentfcdb758ce113c5d1b2b7034a058a9c472e42415e
powerpc/signal: Update comment for clarity

The comment being referred to was deleted in commit af1bbc3dd3d5 ("powerpc:
Remove UP only lazy floating point and vector optimisations").

Add a bit more detail so it's clear why we need to clear the FP/VEC/VSX
bits here.

Signed-off-by: Rashmica Gupta <rashmica@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220617043135.426897-1-rashmica@linux.ibm.com
arch/powerpc/kernel/signal_64.c