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[src/cherry-xenmp]: src/sys/arch/i386/i386 gdtgrow() must extend the gdt size...



details:   https://anonhg.NetBSD.org/src/rev/176407663f03
branches:  cherry-xenmp
changeset: 765625:176407663f03
user:      cherry <cherry%NetBSD.org@localhost>
date:      Sat Aug 06 14:05:35 2011 +0000

description:
gdtgrow() must extend the gdt size on all cpus, not just the primary

diffstat:

 sys/arch/i386/i386/gdt.c |  22 ++++++++++++----------
 1 files changed, 12 insertions(+), 10 deletions(-)

diffs (44 lines):

diff -r e67f1a6e312b -r 176407663f03 sys/arch/i386/i386/gdt.c
--- a/sys/arch/i386/i386/gdt.c  Fri Aug 05 17:26:27 2011 +0000
+++ b/sys/arch/i386/i386/gdt.c  Sat Aug 06 14:05:35 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: gdt.c,v 1.50.10.1 2011/07/31 20:49:10 cherry Exp $     */
+/*     $NetBSD: gdt.c,v 1.50.10.2 2011/08/06 14:05:35 cherry Exp $     */
 
 /*-
  * Copyright (c) 1996, 1997, 2009 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gdt.c,v 1.50.10.1 2011/07/31 20:49:10 cherry Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gdt.c,v 1.50.10.2 2011/08/06 14:05:35 cherry Exp $");
 
 #include "opt_multiprocessor.h"
 #include "opt_xen.h"
@@ -266,15 +266,17 @@
                        gdt_size[which] = MINGDTSIZ;
                        new_len = gdt_size[which] * sizeof(gdt[0]);
                }
-               for(va = (vaddr_t)(cpu_info_primary.ci_gdt) + old_len + max_len;
-                   va < (vaddr_t)(cpu_info_primary.ci_gdt) + new_len + max_len;
-                   va += PAGE_SIZE) {
-                       while ((pg = uvm_pagealloc(NULL, 0, NULL, UVM_PGA_ZERO))
-                           == NULL) {
-                               uvm_wait("gdt_grow");
+               for (CPU_INFO_FOREACH(cii, ci)) {
+                       for(va = (vaddr_t)(ci->ci_gdt) + old_len + max_len;
+                           va < (vaddr_t)(ci->ci_gdt) + new_len + max_len;
+                           va += PAGE_SIZE) {
+                               while ((pg = uvm_pagealloc(NULL, 0, NULL, UVM_PGA_ZERO))
+                                      == NULL) {
+                                       uvm_wait("gdt_grow");
+                               }
+                               pmap_kenter_pa(va, VM_PAGE_TO_PHYS(pg),
+                                              VM_PROT_READ | VM_PROT_WRITE, 0);
                        }
-                       pmap_kenter_pa(va, VM_PAGE_TO_PHYS(pg),
-                           VM_PROT_READ | VM_PROT_WRITE, 0);
                }
                return;
        }



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