Re: [PATCH v3 03/25] x86/sgx: Wipe out EREMOVE from sgx_free_epc_page()

From: Kai Huang
Date: Wed Mar 24 2021 - 19:47:10 EST


On Thu, 25 Mar 2021 00:39:01 +0100 Paolo Bonzini wrote:
> On 25/03/21 00:23, Kai Huang wrote:
> > I changed to below (with slight modification on Paolo's):
> >
> > /* Error message for EREMOVE failure, when kernel is about to leak EPC page */
> > #define EREMOVE_ERROR_MESSAGE \
> > "EREMOVE returned %d (0x%x) and an EPC page was leaked. SGX may become unusuable. " \
> > "This is likely a kernel bug. Refer to Documentation/x86/sgx.rst for more information."
> >
> > I got a checkpatch warning however:
> >
> > WARNING: It's generally not useful to have the filename in the file
> > #60: FILE: Documentation/x86/sgx.rst:223:
> > +This is likely a kernel bug. Refer to Documentation/x86/sgx.rst for more
>
> Yeah, this is more or less a false positive.
>
> Paolo
>

Thanks.