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authorLinus Torvalds <torvalds@linux-foundation.org>2009-02-11 08:23:22 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-11 08:23:22 -0800
commit9ce04f9238cafcfd09a502f2bc8c13b5f44ec590 (patch)
treef55b7c0ef48ea5b3bbd2971036ba54b666e8c4ce /arch/x86/kernel/traps.c
parentb3f2caaaa82440af06b39c2c92e4fa8122d75465 (diff)
parent06eb23b1ba39c61ee5d5faeb42a097635693e370 (diff)
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: ptrace, x86: fix the usage of ptrace_fork() i8327: fix outb() parameter order x86: fix math_emu register frame access x86: math_emu info cleanup x86: include correct %gs in a.out core dump x86, vmi: put a missing paravirt_release_pmd in pgd_dtor x86: find nr_irqs_gsi with mp_ioapic_routing x86: add clflush before monitor for Intel 7400 series x86: disable intel_iommu support by default x86: don't apply __supported_pte_mask to non-present ptes x86: fix grammar in user-visible BIOS warning x86/Kconfig.cpu: make Kconfig help readable in the console x86, 64-bit: print DMI info in the oops trace
Diffstat (limited to 'arch/x86/kernel/traps.c')
-rw-r--r--arch/x86/kernel/traps.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 98c2d055284..7932338d7cb 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -896,7 +896,7 @@ asmlinkage void math_state_restore(void)
EXPORT_SYMBOL_GPL(math_state_restore);
#ifndef CONFIG_MATH_EMULATION
-asmlinkage void math_emulate(long arg)
+void math_emulate(struct math_emu_info *info)
{
printk(KERN_EMERG
"math-emulation not enabled and no coprocessor found.\n");
@@ -906,16 +906,19 @@ asmlinkage void math_emulate(long arg)
}
#endif /* CONFIG_MATH_EMULATION */
-dotraplinkage void __kprobes
-do_device_not_available(struct pt_regs *regs, long error)
+dotraplinkage void __kprobes do_device_not_available(struct pt_regs regs)
{
#ifdef CONFIG_X86_32
if (read_cr0() & X86_CR0_EM) {
- conditional_sti(regs);
- math_emulate(0);
+ struct math_emu_info info = { };
+
+ conditional_sti(&regs);
+
+ info.regs = &regs;
+ math_emulate(&info);
} else {
math_state_restore(); /* interrupts still off */
- conditional_sti(regs);
+ conditional_sti(&regs);
}
#else
math_state_restore();