On 9/17/2020 2:51 PM, Brian Inglis wrote:
Add linux-next cpuinfo flags for Intel TSX suspend load address tracking
instructions and AMD Secure Encrypted Virtualization with Encrypted State
---
  winsup/cygwin/fhandler_proc.cc | 8 ++++++++
  1 file changed, 8 insertions(+)

diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
index 196bafd18993..6f6e8291a0ca 100644
--- a/winsup/cygwin/fhandler_proc.cc
+++ b/winsup/cygwin/fhandler_proc.cc
@@ -1376,6 +1376,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
          cpuid (&features2, &unused, &unused, &unused, 0x8000001f);
ftcprint (features2, 1, "sev"); /* secure encrypted virt */
+       /*ftcprint (features2,  3, "sev_es"); - print below */
        }
        /* cpuid 0x80000008 ebx */
        if (maxe >= 0x80000008)
@@ -1400,6 +1401,12 @@ format_proc_cpuinfo (void *, char *&destbuf)
  /*      ftcprint (features1, 26, "ssb_no"); *//* ssb fixed in hardware */
          }
+ /* cpuid 0x8000001f eax - set above */
+      if (maxe >= 0x8000001f)
+       {
+         ftcprint (features2,  3, "sev_es"); /* AMD SEV encrypted state */
+       }
+
        /* cpuid 0x00000007 ebx */
        if (maxf >= 0x00000007)
        {
@@ -1579,6 +1586,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
            ftcprint (features1,  8, "avx512_vp2intersect"); /* vec intcpt d/q 
*/
            ftcprint (features1, 10, "md_clear");            /* verw clear buf 
*/
            ftcprint (features1, 14, "serialize");           /* SERIALIZE 
instruction */
+          ftcprint (features1, 16, "tsxldtrk");                 /* TSX Susp Ld 
Addr Track */
            ftcprint (features1, 18, "pconfig");                 /* platform 
config */
            ftcprint (features1, 19, "arch_lbr");                /* last branch 
records */
            ftcprint (features1, 28, "flush_l1d");       /* flush l1d cache */

Pushed with a trivial change (added a period at the end of the commit message).

Thanks.

Ken

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