On 05/25/2017 02:04 PM, Aurelien Jarno wrote:
      /* XXX we exploit the fact that Linux passes the exact virtual
         address here - it's not obliged to! */
-    tlb_flush_page(cs, page);
+    tlb_flush_page_all_cpus_synced(cs, page);
/* XXX 31-bit hack */
      if (page & 0x80000000) {
-        tlb_flush_page(cs, page & ~0x80000000);
+        tlb_flush_page_all_cpus_synced(cs, page & ~0x80000000);
      } else {
-        tlb_flush_page(cs, page | 0x80000000);
+        tlb_flush_page_all_cpus_synced(cs, page | 0x80000000);
      }

Ideally we would, at the same time, implement the local-pte facility, which examines a bit in the M4 field to *not* do this. That said,

Reviewed-by: Richard Henderson <r...@twiddle.net>


r~

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