Re: [PATCH 6.9 057/197] powerpc/dexcr: Track the DEXCR per-process

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Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> writes:
> 6.9-stable review patch.  If anyone has any objections, please let me know.
>
> ------------------
>
> From: Benjamin Gray <bgray@xxxxxxxxxxxxx>
>
> [ Upstream commit 75171f06c4507c3b6b5a69d793879fb20d108bb1 ]
>
> Add capability to make the DEXCR act as a per-process SPR.
>
> We do not yet have an interface for changing the values per task. We
> also expect the kernel to use a single DEXCR value across all tasks
> while in privileged state, so there is no need to synchronize after
> changing it (the userspace aspects will synchronize upon returning to
> userspace).
>
> Signed-off-by: Benjamin Gray <bgray@xxxxxxxxxxxxx>
> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Link: https://msgid.link/20240417112325.728010-3-bgray@xxxxxxxxxxxxx
> Stable-dep-of: bbd99922d0f4 ("powerpc/dexcr: Reset DEXCR value across exec")

This is listed as a dep, but I don't see that commit (bbd99922d0f4)
queued up?

This series included user-visible changes including new prctls, it
shouldn't be backported piecemeal.

I think this series shouldn't be backported unless someone explicitly
wants it.

cheers




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