Commit 0f09e197 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Apply the sleazy FPU changes for SH-2A FPU as well. 



This plugs in the fpu_counter manipulation for the SH-2A side also.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent d3ea9fa0

arch/sh/kernel/cpu/sh2a/fpu.c

+12 −4
Original line number Diff line number Diff line
@@ -608,18 +608,18 @@ BUILD_TRAP_HANDLER(fpu_error) 
	force_sig(SIGFPE, tsk);

}



BUILD_TRAP_HANDLER(fpu_state_restore)

void fpu_state_restore(struct pt_regs *regs)

{

	struct task_struct *tsk = current;

	TRAP_HANDLER_DECL;



	grab_fpu(regs);

	if (!user_mode(regs)) {

	if (unlikely(!user_mode(regs))) {

		printk(KERN_ERR "BUG: FPU is used in kernel mode.\n");

		BUG();

		return;

	}



	if (used_math()) {

	if (likely(used_math())) {

		/* Using the FPU again.  */

		restore_fpu(tsk);

	} else	{
@@ -628,4 +628,12 @@ BUILD_TRAP_HANDLER(fpu_state_restore) 
		set_used_math();

	}

	task_thread_info(tsk)->status |= TS_USEDFPU;

	tsk->fpu_counter++;

}



BUILD_TRAP_HANDLER(fpu_state_restore)

{

	TRAP_HANDLER_DECL;



	fpu_state_restore(regs);

}