patch-2.4.2 linux/arch/s390/kernel/s390fpu.c

• Lines: 12
• Date: Tue Feb 13 14:13:43 2001
• Orig file: v2.4.1/linux/arch/s390/kernel/s390fpu.c
• Orig date: Fri May 12 11:41:45 2000

diff -u --recursive --new-file v2.4.1/linux/arch/s390/kernel/s390fpu.c linux/arch/s390/kernel/s390fpu.c
@@ -81,6 +81,11 @@
 {
 	int has_ieee=MACHINE_HAS_IEEE;
 
+	/* If we don't mask with the FPC_VALID_MASK here
+	 * we've got a very quick shutdown -h now command
+         * via a kernel specification exception.
+	 */
+	fpregs->fpc&=FPC_VALID_MASK;
 	asm volatile ("LD   0,8(%0)\n\t"
 		      "LD   2,24(%0)\n\t"
 		      "LD   4,40(%0)\n\t"