x86: fix smp_stacktop on 32-bit
smp_stacktop in 32-bit is fixed to some magic address. Use the address
of the memory that was reserved for the stack instead.
Signed-off-by: Nadav Amit <namit@vmware.com>
Message-Id: <20200624203602.44659-1-namit@vmware.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/x86/cstart.S b/x86/cstart.S
index 1714986..5288252 100644
--- a/x86/cstart.S
+++ b/x86/cstart.S
@@ -138,7 +138,7 @@
mov %eax, %cr0
ret
-smp_stacktop: .long 0xa0000
+smp_stacktop: .long stacktop - 4096
save_id:
movl $(APIC_DEFAULT_PHYS_BASE + APIC_ID), %eax
