X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/cb529e7c1abcfe6b61241e47a780172031b82840..09a115a4c07e26b3a978c693c0d6d17abea80479:/lunaix-os/kernel/asm/x86/pfault.c

diff --git a/lunaix-os/kernel/asm/x86/pfault.c b/lunaix-os/kernel/asm/x86/pfault.c
index 9e12444..6df3182 100644
--- a/lunaix-os/kernel/asm/x86/pfault.c
+++ b/lunaix-os/kernel/asm/x86/pfault.c
@@ -41,17 +41,17 @@ intr_routine_page_fault(const isr_param* param)
         if (do_kernel(&mapping)) {
             return;
         }
-        goto segv_term;
+        // 如果不是，那么看看内核是不是需要用户页。
     }
 
     struct mm_region* hit_region = region_get(&__current->mm.regions, ptr);
 
     if (!hit_region) {
-        // Into the void...
+        // 当你凝视深渊时……
         goto segv_term;
     }
 
-    x86_pte_t* pte = &PTE_MOUNTED(PD_REFERENCED, ptr >> 12);
+    volatile x86_pte_t* pte = &PTE_MOUNTED(PD_REFERENCED, ptr >> 12);
     if ((*pte & PG_PRESENT)) {
         if ((hit_region->attr & COW_MASK) == COW_MASK) {
             // normal page fault, do COW
@@ -93,7 +93,7 @@ segv_term:
             ptr,
             param->cs,
             param->eip);
-    signal_send(__current->pid, _SIGSEGV);
+    __SIGSET(__current->sig_pending, _SIGSEGV);
     schedule();
     // should not reach
     while (1)