Initialize uvm_km_pages.mtx before use.

okay mpi@ miod@

diff --git a/sys/uvm/uvm_km.c b/sys/uvm/uvm_km.c
index d5dcc87..a715173 100644 (file)
--- a/sys/uvm/uvm_km.c
+++ b/sys/uvm/uvm_km.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uvm_km.c,v 1.151 2022/08/01 14:15:46 mpi Exp $        */
+/*     $OpenBSD: uvm_km.c,v 1.152 2024/03/27 15:41:40 kurt Exp $       */
 /*     $NetBSD: uvm_km.c,v 1.42 2001/01/14 02:10:01 thorpej Exp $      */
 
 /* 
@@ -183,6 +183,11 @@ uvm_km_init(vaddr_t base, vaddr_t start, vaddr_t end)
                panic("uvm_km_init: could not reserve space for kernel");
        
        kernel_map = &kernel_map_store;
+
+#ifndef __HAVE_PMAP_DIRECT
+       /* allow km_alloc calls before uvm_km_thread starts */
+       mtx_init(&uvm_km_pages.mtx, IPL_VM);
+#endif
 }
 
 /*
@@ -558,7 +563,6 @@ uvm_km_page_init(void)
        int     len, bulk;
        vaddr_t addr;
 
-       mtx_init(&uvm_km_pages.mtx, IPL_VM);
        if (!uvm_km_pages.lowat) {
                /* based on physmem, calculate a good value here */
                uvm_km_pages.lowat = physmem / 256;