]> err.no Git - linux-2.6/blobdiff - arch/i386/kernel/machine_kexec.c
Pull lameter-spinlock-optimization into release branch
[linux-2.6] / arch / i386 / kernel / machine_kexec.c
index 52ed18d8b511d40892be066e7eb91d85269b467f..cb699a2aa1f84a915c8a1105fe66f19548adec10 100644 (file)
@@ -16,6 +16,7 @@
 #include <asm/io.h>
 #include <asm/apic.h>
 #include <asm/cpufeature.h>
+#include <asm/desc.h>
 
 static inline unsigned long read_cr3(void)
 {
@@ -90,33 +91,32 @@ static void identity_map_page(unsigned long address)
 }
 #endif
 
-
 static void set_idt(void *newidt, __u16 limit)
 {
-       unsigned char curidt[6];
+       struct Xgt_desc_struct curidt;
 
        /* ia32 supports unaliged loads & stores */
-       (*(__u16 *)(curidt)) = limit;
-       (*(__u32 *)(curidt +2)) = (unsigned long)(newidt);
+       curidt.size    = limit;
+       curidt.address = (unsigned long)newidt;
 
        __asm__ __volatile__ (
-               "lidt %0\n"
-               : "=m" (curidt)
+               "lidtl %0\n"
+               : : "m" (curidt)
                );
 };
 
 
 static void set_gdt(void *newgdt, __u16 limit)
 {
-       unsigned char curgdt[6];
+       struct Xgt_desc_struct curgdt;
 
        /* ia32 supports unaligned loads & stores */
-       (*(__u16 *)(curgdt)) = limit;
-       (*(__u32 *)(curgdt +2)) = (unsigned long)(newgdt);
+       curgdt.size    = limit;
+       curgdt.address = (unsigned long)newgdt;
 
        __asm__ __volatile__ (
-               "lgdt %0\n"
-               : "=m" (curgdt)
+               "lgdtl %0\n"
+               : : "m" (curgdt)
                );
 };