diff options
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/init_32.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 097089a5e4d5..601b8e04e5c6 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -726,19 +726,18 @@ static void __init test_wp_bit(void) { char z = 0; - printk(KERN_INFO - "Checking if this processor honours the WP bit even in supervisor mode..."); + printk(KERN_INFO "Checking if this processor honours the WP bit even in supervisor mode..."); __set_fixmap(FIX_WP_TEST, __pa_symbol(empty_zero_page), PAGE_KERNEL_RO); - if (probe_kernel_write((char *)fix_to_virt(FIX_WP_TEST), &z, 1) == 0) { - printk(KERN_CONT "No.\n"); - panic("Linux doesn't support CPUs with broken WP."); + if (probe_kernel_write((char *)fix_to_virt(FIX_WP_TEST), &z, 1)) { + clear_fixmap(FIX_WP_TEST); + printk(KERN_CONT "Ok.\n"); + return; } - clear_fixmap(FIX_WP_TEST); - - printk(KERN_CONT "Ok.\n"); + printk(KERN_CONT "No.\n"); + panic("Linux doesn't support CPUs with broken WP."); } void __init mem_init(void) |