[PATCH v20 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP

Mark Brown broonie at kernel.org
Thu Sep 3 12:29:51 PDT 2026


On Thu, Sep 03, 2026 at 05:23:38PM +0100, Lorenzo Stoakes (ARM) wrote:
> On Tue, Sep 01, 2026 at 10:47:00PM +0100, Mark Brown wrote:

> > -	SR_FGT(OP_GCSPOPX, 		HFGITR, nGCSEPP, 0),
> > +	SR_FGT(OP_GCSPOPCX, 		HFGITR, nGCSEPP, 0),

> Yikes, yeah I see from the doc I referenced in 1/14 that that's the wrong
> instruction ([0]).

> I guess this wasn't visible before in any case because 9/14 is required to
> actually enable this in practice?

Yes, it should be academic without guest GCS support.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 488 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20260903/d1b6f5a3/attachment.sig>


More information about the linux-arm-kernel mailing list