Update of /cvsroot/linux-mips/linux/include/asm-mips
In directory usw-pr-cvs1:/tmp/cvs-serv14519
Modified Files:
system.h
Log Message:
Use ssnop in __cli to make code bulletproof against superscalar cpus.
Index: system.h
===================================================================
RCS file: /cvsroot/linux-mips/linux/include/asm-mips/system.h,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -d -r1.6 -r1.7
--- system.h 2001/12/12 16:18:36 1.6
+++ system.h 2002/01/28 20:52:33 1.7
@@ -53,16 +53,15 @@
__asm__ (
".macro\t__cli\n\t"
".set\tpush\n\t"
- ".set\treorder\n\t"
".set\tnoat\n\t"
"mfc0\t$1,$12\n\t"
"ori\t$1,1\n\t"
"xori\t$1,1\n\t"
".set\tnoreorder\n\t"
"mtc0\t$1,$12\n\t"
- "nop\n\t"
- "nop\n\t"
- "nop\n\t"
+ "sll\t$0, $0, 1\t\t\t# nop\n\t"
+ "sll\t$0, $0, 1\t\t\t# nop\n\t"
+ "sll\t$0, $0, 1\t\t\t# nop\n\t"
".set\tpop\n\t"
".endm");
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