Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / setup.c

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index fda22ec1a935d9cab7fbc21eb458bb93600d9b9c..a55f6609fe1fae46dcf5e5a9518be0de01681c6f 100644 (file)
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -66,6 +66,7 @@
 
 #include <linux/percpu.h>
 #include <linux/crash_dump.h>
+#include <linux/tboot.h>
 
 #include <video/edid.h>
 
@@ -696,6 +697,21 @@ void __init setup_arch(char **cmdline_p)
        printk(KERN_INFO "Command line: %s\n", boot_command_line);
 #endif
 
+       strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
+       *cmdline_p = command_line;
+
+#ifdef CONFIG_X86_64
+       /*
+        * Must call this twice: Once just to detect whether hardware doesn't
+        * support NX (so that the early EHCI debug console setup can safely
+        * call set_fixmap(), and then again after parsing early parameters to
+        * honor the respective command line option.
+        */
+       check_efer();
+#endif
+
+       parse_early_param();
+
        /* VMI may relocate the fixmap; do this before touching ioremap area */
        vmi_init();
 
@@ -778,11 +794,6 @@ void __init setup_arch(char **cmdline_p)
 #endif
 #endif
 
-       strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
-       *cmdline_p = command_line;
-
-       parse_early_param();
-
 #ifdef CONFIG_X86_64
        check_efer();
 #endif
@@ -959,6 +970,8 @@ void __init setup_arch(char **cmdline_p)
        paging_init();
        x86_init.paging.pagetable_setup_done(swapper_pg_dir);
 
+       tboot_probe();
+
 #ifdef CONFIG_X86_64
        map_vsyscall();
 #endif