[PATCH] fhandler_proc.cc:format_proc_cpuinfo add rdpru flag

[Corinna Vinschen]

On Jan 23 02:06, Brian Inglis wrote:
> rdpru flag is cpuid xfn 80000008 ebx bit 4 added in linux 5.5;
> see AMD64 Architecture Programmer’s Manual Volume 3:
                                   ^^^^^^^^^
This came over already broken.  No idea if that's a problem of
your MUA or of the mailing list software.  I fixed it to an
ordinary quote char locally.

> General-Purpose and System Instructions
> https://www.amd.com/system/files/TechDocs/24594.pdf#page=329
> and elsewhere in that document
> 
> ---
>  winsup/cygwin/fhandler_proc.cc | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
> index 8c331f5f4..78a69703d 100644
> --- a/winsup/cygwin/fhandler_proc.cc
> +++ b/winsup/cygwin/fhandler_proc.cc
> @@ -1255,6 +1255,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
>  	  ftcprint (features1,  0, "clzero");	    /* clzero instruction */
>  	  ftcprint (features1,  1, "irperf");       /* instr retired count */
>  	  ftcprint (features1,  2, "xsaveerptr");   /* save/rest FP err ptrs */
> +	  ftcprint (features1,  4, "rdpru");	    /* user level rd proc reg */
>  /*	  ftcprint (features1,  6, "mba"); */	    /* memory BW alloc */
>  	  ftcprint (features1,  9, "wbnoinvd");     /* wbnoinvd instruction */
>  /*	  ftcprint (features1, 12, "ibpb" ); */	    /* ind br pred barrier */
> -- 
> 2.21.0

Pushed.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
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