[PATCH] fhandler_proc.cc(format_proc_cpuinfo): report Intel SGX bits

[Corinna Vinschen]

On Dec 17 00:11, Brian Inglis wrote:
> Update to Linux next 5.10 cpuinfo flags for Intel SDM 36.7.1 Software
> Guard Extensions, and 38.1.4 SGX Launch Control Configuration.
> Launch control restricts what software can run with enclave protections,
> which helps protect the system from bad enclaves.
> ---
>  winsup/cygwin/fhandler_proc.cc | 2 ++
>  1 file changed, 2 insertions(+)

> diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
> index 13397150ff53..8e23c0609485 100644
> --- a/winsup/cygwin/fhandler_proc.cc
> +++ b/winsup/cygwin/fhandler_proc.cc
> @@ -1414,6 +1414,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
>  
>  	  ftcprint (features1,  0, "fsgsbase");	    /* rd/wr fs/gs base */
>  	  ftcprint (features1,  1, "tsc_adjust");   /* TSC adjustment MSR 0x3B */
> +	  ftcprint (features1,  2, "sgx");	    /* software guard extensions */
>  	  ftcprint (features1,  3, "bmi1");         /* bit manip ext group 1 */
>  	  ftcprint (features1,  4, "hle");          /* hardware lock elision */
>  	  ftcprint (features1,  5, "avx2");         /* AVX ext instructions */
> @@ -1564,6 +1565,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
>  	  ftcprint (features1, 27, "movdiri");          /* movdiri instr */
>  	  ftcprint (features1, 28, "movdir64b");        /* movdir64b instr */
>  	  ftcprint (features1, 29, "enqcmd");		/* enqcmd/s instructions*/
> +	  ftcprint (features1, 30, "sgx_lc");		/* sgx launch control */
>          }
>  
>        /* AMD MCA cpuid 0x80000007 ebx */


Pushed.

Thanks,
Corinna