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Remove PSL_MBO (the bits that Must Be One) from PSL_USER - which are the 

bits that the 'user' can change.
Who knows what the effect of a user signal handler (which I think might have
access to the bits) changing these bits might be!
This commit is contained in:
dsl 2008-09-18 21:09:18 +00:00
parent f93a860daa
commit d1779123ae
1 changed files with 2 additions and 2 deletions
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4
sys/arch/x86/include/psl.h
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@ -1,4 +1,4 @@
/* $NetBSD: psl.h,v 1.5 2008/09/18 15:57:04 christos Exp $ */
/* $NetBSD: psl.h,v 1.6 2008/09/18 21:09:18 dsl Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@ -70,7 +70,7 @@
#else
#define PSL_USERSTATIC (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VM | PSL_VIF | PSL_VIP)
#endif
#define PSL_USER (PSL_C | PSL_MBO | PSL_PF | PSL_AF | PSL_Z | PSL_N | \
#define PSL_USER (PSL_C | PSL_PF | PSL_AF | PSL_Z | PSL_N | \
PSL_T | PSL_V | PSL_D)
#define PSL_CLEARSIG (PSL_T | PSL_VM | PSL_AC | PSL_D)