Messages in this thread | | | Date | Fri, 25 Sep 2020 15:41:49 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH] x86/sev-es: Use GHCB accessor for setting the MMIO scratch buffer |
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On Fri, Sep 25, 2020 at 08:38:26AM -0500, Tom Lendacky wrote: > From: Tom Lendacky <thomas.lendacky@amd.com> > > Use ghcb_set_sw_scratch() to set the GHCB scratch field, which will also > set the corresponding bit in the GHCB valid_bitmap field. > > Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> > --- > arch/x86/kernel/sev-es.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c > index 6fcfdd32769f..4a96726fbaf8 100644 > --- a/arch/x86/kernel/sev-es.c > +++ b/arch/x86/kernel/sev-es.c > @@ -751,7 +751,7 @@ static enum es_result vc_do_mmio(struct ghcb *ghcb, struct es_em_ctxt *ctxt, > /* Can never be greater than 8 */ > exit_info_2 = bytes; > > - ghcb->save.sw_scratch = ghcb_pa + offsetof(struct ghcb, shared_buffer); > + ghcb_set_sw_scratch(ghcb, ghcb_pa + offsetof(struct ghcb, shared_buffer));
Reviewed-by: Joerg Roedel <jroedel@suse.de>
Thanks for catching this!
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