On 5/1/22 13:16, Maxim Levitsky wrote:
+ * However, only do it if the host has CPUID leaf 0x8000001d.
+ * QEMU thinks that it can query the host blindly for that
+ * CPUID leaf if KVM reports that it supports 0x8000001d or
+ * above. The processor merrily returns values from the
+ * highest Intel leaf which QEMU tries to use as the guest's
+ * 0x8000001d. Even worse, this can result in an infinite
+ * loop if said highest leaf has no subleaves indexed by ECX.
Very small nitpick: It might be useful to add a note that qemu does this only for the
leaf 0x8000001d.
Yes, it's there: "QEMU thinks that it can query the host blindly for
that CPUID leaf", "that" is 0x8000001d in the previous sentence.
Paolo
