Re: [Xen-devel] [PATCH 1/2] hvmloader: limit CPUs exposed to guests

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 06/16/2016 05:40 AM, Jan Beulich wrote:

--- a/tools/firmware/hvmloader/acpi/mk_dsdt.c
+++ b/tools/firmware/hvmloader/acpi/mk_dsdt.c
@@ -150,6 +150,14 @@ int main(int argc, char **argv)
     indent(); printf("MSU, 8\n");
     pop_block();
 
+    /* Processor object helpers. */
+    push_block("Method", "PMAT, 2");
+    push_block("If", "LLess(Arg0, NCPU)");
+    stmt("Return", "ToBuffer(Arg1)");
+    pop_block();
+    stmt("Return", "Buffer() {0, 8, 0xff, 0xff, 0, 0, 0, 0}");


Could you explain what this is? (I suspect  this is related to MAT
object and I don't think I understand what it is).

-boris



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