Re: [Xen-devel] [PATCH 13/15] x86/hvm: Avoid __hvm_copy() raising #PF behind the emulators back

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 23/11/16 15:38, Andrew Cooper wrote:
> diff --git a/xen/arch/x86/mm/shadow/common.c b/xen/arch/x86/mm/shadow/common.c
> index afacd5f..88d4642 100644
> --- a/xen/arch/x86/mm/shadow/common.c
> +++ b/xen/arch/x86/mm/shadow/common.c
> @@ -198,6 +198,7 @@ hvm_read(enum x86_segment seg,
>      case HVMCOPY_okay:
>          return X86EMUL_OKAY;
>      case HVMCOPY_bad_gva_to_gfn:
> +        hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
>          return X86EMUL_EXCEPTION;
>      case HVMCOPY_bad_gfn_to_mfn:
>      case HVMCOPY_unhandleable:

I realise I have forgotten to adjust this change to being
x86_emul_pagefault().  emulate_gva_to_mfn() also needs modifying in a
similar vein.

~Andrew

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