---

yaml --- r: 112780 b: refs/heads/master c: 42deec6 h: refs/heads/master v: v3
git-mirror · Jul 30, 2008 · 38ea124 · 38ea124
1 parent 4948f75
commit 38ea124
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c37b5efea43f9e500363f9973dd00e3d2cdcc685
+refs/heads/master: 42deec6f2c3688fdaf986225ac901b817cd91568
diff --git a/trunk/arch/x86/kernel/i387.c b/trunk/arch/x86/kernel/i387.c
@@ -214,6 +214,13 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
 	 */
 	target->thread.xstate->fxsave.mxcsr &= mxcsr_feature_mask;
 
+	/*
+	 * update the header bits in the xsave header, indicating the
+	 * presence of FP and SSE state.
+	 */
+	if (cpu_has_xsave)
+		target->thread.xstate->xsave.xsave_hdr.xstate_bv |= XSTATE_FPSSE;
+
 	return ret;
 }
 
@@ -414,6 +421,12 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
 	if (!ret)
 		convert_to_fxsr(target, &env);
 
+	/*
+	 * update the header bit in the xsave header, indicating the
+	 * presence of FP.
+	 */
+	if (cpu_has_xsave)
+		target->thread.xstate->xsave.xsave_hdr.xstate_bv |= XSTATE_FP;
 	return ret;
 }