Commit 6dbbe14f authored Feb 22, 2010 by Suresh Siddha Committed by H. Peter Anvin Feb 23, 2010

x86, ptrace: Remove set_stopped_child_used_math() in [x]fpregs_set



init_fpu() already ensures that the used_math() is set for the stopped child.
Remove the redundant set_stopped_child_used_math() in [x]fpregs_set()

Reported-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <20100222225240.642169080@sbs-t61.sc.intel.com>
Acked-by: Rolan McGrath <roland@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

parent ff7fbc72

arch/x86/kernel/i387.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -209,8 +209,6 @@ int xfpregs_set(struct task_struct target, const struct user_regset regset,
		if (ret)
		return ret;

		set_stopped_child_used_math(target);

		ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
		&target->thread.xstate->fxsave, 0, -1);

		@@ -471,8 +469,6 @@ int fpregs_set(struct task_struct target, const struct user_regset regset,
		if (ret)
		return ret;

		set_stopped_child_used_math(target);

		if (!HAVE_HWFP)
		return fpregs_soft_set(target, regset, pos, count, kbuf, ubuf);

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