On Tue, 2019-10-01 at 13:29:28 UTC, Laurent Dufour wrote:
> Since the commit 1211ee61b4a8 ("powerpc/pseries: Read TLB Block Invalidate
> Characteristics"), a warning message is displayed when booting a guest on
> top of KVM:
>
> lpar: arch/powerpc/platforms/pseries/lpar.c
> pseries_lpar_read_hblkrm_characteristics Error calling get-system-parameter
> (0xfffffffd)
>
> This message is displayed because this hypervisor is not supporting the
> H_BLOCK_REMOVE hcall and thus is not exposing the corresponding feature.
>
> Reading the TLB Block Invalidate Characteristics should not be done if the
> feature is not exposed.
>
> Fixes: 1211ee61b4a8 ("powerpc/pseries: Read TLB Block Invalidate
> Characteristics")
> Reported-by: Stephen Rothwell <[email protected]>
> Signed-off-by: Laurent Dufour <[email protected]>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/9123b7914823a7d81dd0e5d8ae40bc6f1ee869c8
cheers
