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Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 02643cc3bf2..eb1f1e6e52b 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -714,6 +714,16 @@ void __init setup_arch(char **cmdline_p) 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 */ |