On Tue, 2020-05-26 at 06:18:08 UTC, Michael Ellerman wrote:
> Commit 702f09805222 ("powerpc/64s/exception: Remove lite interrupt
> return") changed the interrupt return path to not restore non-volatile
> registers by default, and explicitly restore them in paths where it is
> required.
>
> But it
On Tue, 26 May 2020 16:18:08 +1000, Michael Ellerman wrote:
> Commit 702f09805222 ("powerpc/64s/exception: Remove lite interrupt
> return") changed the interrupt return path to not restore non-volatile
> registers by default, and explicitly restore them in paths where it is
> required.
>
> But it
Commit 702f09805222 ("powerpc/64s/exception: Remove lite interrupt
return") changed the interrupt return path to not restore non-volatile
registers by default, and explicitly restore them in paths where it is
required.
But it missed that the facility unavailable exception can sometimes
modify user
