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 <s...@linux.ibm.com>
> Signed-off-by: Laurent Dufour <lduf...@linux.ibm.com>
Reapplied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/4ab8a485f7bc69e04e3e8d75f62bdcac5f4ed02e
cheers
