diff options
Diffstat (limited to 'arch/x86/kernel/cpu/bugs.c')
-rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index c9b58a806e85..c8e315f1aa83 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c | |||
@@ -50,6 +50,8 @@ static double __initdata y = 3145727.0; | |||
50 | */ | 50 | */ |
51 | static void __init check_fpu(void) | 51 | static void __init check_fpu(void) |
52 | { | 52 | { |
53 | s32 fdiv_bug; | ||
54 | |||
53 | if (!boot_cpu_data.hard_math) { | 55 | if (!boot_cpu_data.hard_math) { |
54 | #ifndef CONFIG_MATH_EMULATION | 56 | #ifndef CONFIG_MATH_EMULATION |
55 | printk(KERN_EMERG "No coprocessor found and no math emulation present.\n"); | 57 | printk(KERN_EMERG "No coprocessor found and no math emulation present.\n"); |
@@ -74,8 +76,10 @@ static void __init check_fpu(void) | |||
74 | "fistpl %0\n\t" | 76 | "fistpl %0\n\t" |
75 | "fwait\n\t" | 77 | "fwait\n\t" |
76 | "fninit" | 78 | "fninit" |
77 | : "=m" (*&boot_cpu_data.fdiv_bug) | 79 | : "=m" (*&fdiv_bug) |
78 | : "m" (*&x), "m" (*&y)); | 80 | : "m" (*&x), "m" (*&y)); |
81 | |||
82 | boot_cpu_data.fdiv_bug = fdiv_bug; | ||
79 | if (boot_cpu_data.fdiv_bug) | 83 | if (boot_cpu_data.fdiv_bug) |
80 | printk("Hmm, FPU with FDIV bug.\n"); | 84 | printk("Hmm, FPU with FDIV bug.\n"); |
81 | } | 85 | } |