X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fsetup.c;h=af6cf2bfceeed6c1d0cbe992386a55ac121921b4;hp=b008e7883207abe580a696e9b418dbddec84dabb;hb=b40827fa7268;hpb=9a459f6812fc26e0eb24bbe9c388000e23f67f6b

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index b008e7883207..af6cf2bfceee 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -83,7 +83,6 @@
 #include <asm/dmi.h>
 #include <asm/io_apic.h>
 #include <asm/ist.h>
-#include <asm/vmi.h>
 #include <asm/setup_arch.h>
 #include <asm/bios_ebda.h>
 #include <asm/cacheflush.h>
@@ -125,7 +124,6 @@ unsigned long max_pfn_mapped;
 RESERVE_BRK(dmi_alloc, 65536);
 #endif
 
-unsigned int boot_cpu_id __read_mostly;
 
 static __initdata unsigned long _brk_start = (unsigned long)__brk_base;
 unsigned long _brk_end = (unsigned long)__brk_base;
@@ -730,14 +728,25 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_X86_32
 	memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
 	visws_early_detect();
+
+	/*
+	 * copy kernel address range established so far and switch
+	 * to the proper swapper page table
+	 */
+	clone_pgd_range(swapper_pg_dir     + KERNEL_PGD_BOUNDARY,
+			initial_page_table + KERNEL_PGD_BOUNDARY,
+			KERNEL_PGD_PTRS);
+
+	load_cr3(swapper_pg_dir);
+	__flush_tlb_all();
 #else
 	printk(KERN_INFO "Command line: %s\n", boot_command_line);
 #endif
 
-	/* VMI may relocate the fixmap; do this before touching ioremap area */
-	vmi_init();
-
-	/* OFW also may relocate the fixmap */
+	/*
+	 * If we have OLPC OFW, we might end up relocating the fixmap due to
+	 * reserve_top(), so do this before touching the ioremap area.
+	 */
 	olpc_ofw_detect();
 
 	early_trap_init();
@@ -838,9 +847,6 @@ void __init setup_arch(char **cmdline_p)
 
 	x86_report_nx();
 
-	/* Must be before kernel pagetables are setup */
-	vmi_activate();
-
 	/* after early param, so could get panic from serial */
 	reserve_early_setup_data();
 
@@ -1014,6 +1020,13 @@ void __init setup_arch(char **cmdline_p)
 	paging_init();
 	x86_init.paging.pagetable_setup_done(swapper_pg_dir);
 
+#ifdef CONFIG_X86_32
+	/* sync back kernel address range */
+	clone_pgd_range(initial_page_table + KERNEL_PGD_BOUNDARY,
+			swapper_pg_dir     + KERNEL_PGD_BOUNDARY,
+			KERNEL_PGD_PTRS);
+#endif
+
 	tboot_probe();
 
 #ifdef CONFIG_X86_64