[PATCH] x86/x86_64: mark rodata section read-only: make some datastructures const

[linux-2.6-omap-h63xx.git] / arch / i386 / kernel / machine_kexec.c

diff --git a/arch/i386/kernel/machine_kexec.c b/arch/i386/kernel/machine_kexec.c
index 52ed18d8b511d40892be066e7eb91d85269b467f..a912fed4848273381ce5d0d3025dc81a1c7deff4 100644 (file)
--- a/arch/i386/kernel/machine_kexec.c
+++ b/arch/i386/kernel/machine_kexec.c
@@ -16,13 +16,8 @@
 #include <asm/io.h>
 #include <asm/apic.h>
 #include <asm/cpufeature.h>
-
-static inline unsigned long read_cr3(void)
-{
-       unsigned long cr3;
-       asm volatile("movl %%cr3,%0": "=r"(cr3));
-       return cr3;
-}
+#include <asm/desc.h>
+#include <asm/system.h>
 
 #define PAGE_ALIGNED __attribute__ ((__aligned__(PAGE_SIZE)))
 
@@ -90,34 +85,27 @@ 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)
-               );
+       load_idt(&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)
-               );
+       load_gdt(&curgdt);
 };
 
 static void load_segments(void)