From: Joerg Roedel <jroedel@xxxxxxx> Re-use the handlers for CPUID and IOIO caused #VC exceptions in the early boot handler. Signed-off-by: Joerg Roedel <jroedel@xxxxxxx> Link: https://lore.kernel.org/r/20200724160336.5435-50-joro@xxxxxxxxxx --- arch/x86/kernel/sev-es-shared.c | 7 +++---- arch/x86/kernel/sev-es.c | 6 ++++++ 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/sev-es-shared.c b/arch/x86/kernel/sev-es-shared.c index aa77f2eb8d88..a6b41910b8ab 100644 --- a/arch/x86/kernel/sev-es-shared.c +++ b/arch/x86/kernel/sev-es-shared.c @@ -325,8 +325,7 @@ static enum es_result vc_ioio_exitinfo(struct es_em_ctxt *ctxt, u64 *exitinfo) return ES_OK; } -static enum es_result __maybe_unused -vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt) +static enum es_result vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt) { struct pt_regs *regs = ctxt->regs; u64 exit_info_1, exit_info_2; @@ -434,8 +433,8 @@ vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt) return ret; } -static enum es_result __maybe_unused vc_handle_cpuid(struct ghcb *ghcb, - struct es_em_ctxt *ctxt) +static enum es_result vc_handle_cpuid(struct ghcb *ghcb, + struct es_em_ctxt *ctxt) { struct pt_regs *regs = ctxt->regs; u32 cr4 = native_read_cr4(); diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c index be4b00d18923..81d94f78d2d4 100644 --- a/arch/x86/kernel/sev-es.c +++ b/arch/x86/kernel/sev-es.c @@ -443,6 +443,12 @@ static enum es_result vc_handle_exitcode(struct es_em_ctxt *ctxt, enum es_result result; switch (exit_code) { + case SVM_EXIT_CPUID: + result = vc_handle_cpuid(ghcb, ctxt); + break; + case SVM_EXIT_IOIO: + result = vc_handle_ioio(ghcb, ctxt); + break; default: /* * Unexpected #VC exception -- 2.28.0 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
