Re: [PATCH] parisc: Correct completer in lws start

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Am Dienstag, 21. Dezember 2021, 19:21:22 CET schrieb John David Anglin:
> Correct completer in lws start.
> 
> The completer in the "or,ev   %r1,%r30,%r30" instruction is reversed, so we
> are not clipping the LWS number when we are called from a 32-bit process
> (W=0). We need to nulify the depdi instruction when the least-significant
> bit of %r30 is 1.

I'm curious: what effect has this bug? Since this is syscall code I guess it 
can somehow be exposed from userspace, but how?

Maybe some sort of explanation like this can even be added to the commit 
message?

Eike

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