Re: [git pill] vfs.git alpha fixes

From: Linus Torvalds
Date: Fri Feb 24 2023 - 22:18:00 EST


On Thu, Feb 23, 2023 at 7:30 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> FEN fault fix deals with a really old oopsable braino

My old alpha architecture manual doesn't even list "clrfen" as a
PAL-code instruction.

It does have "wrfen", but that's privileged.

I have no idea when clrfen became a thing. But it's clearly a later
addition that somebody didn't think through.

Linus