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authorIngo Molnar <mingo@elte.hu>2009-02-10 00:41:02 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-10 00:41:02 +0100
commit92e2d508464b6293ad274fb606f766a458894142 (patch)
tree39bf383364530e5cdeacb205d32d69a4b78e253d /arch/x86/kernel/traps.c
parentMerge branch 'x86/uaccess' into core/percpu (diff)
parentx86: fix math_emu register frame access (diff)
downloadlinux-dev-92e2d508464b6293ad274fb606f766a458894142.tar.xz
linux-dev-92e2d508464b6293ad274fb606f766a458894142.zip
Merge branch 'x86/urgent' into core/percpu
Conflicts: arch/x86/kernel/acpi/boot.c
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 ed5aee5f3fcc..3b7b2e190201 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -895,7 +895,7 @@ 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");
@@ -905,16 +905,19 @@ 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();