Date: Fri, 21 Jan 2011 18:32:30 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r217701 - in stable/7/sys/amd64: ia32 linux32 Message-ID: <201101211832.p0LIWUOj063501@svn.freebsd.org>
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Author: jkim Date: Fri Jan 21 18:32:29 2011 New Revision: 217701 URL: http://svn.freebsd.org/changeset/base/217701 Log: MFC: r217424 Remove redundant, bogus, and even harmful uses of setting TS bit in CR0. It is done from fpstate_drop() when it is really necessary. Modified: stable/7/sys/amd64/ia32/ia32_signal.c stable/7/sys/amd64/linux32/linux32_sysvec.c Directory Properties: stable/7/sys/ (props changed) stable/7/sys/cddl/contrib/opensolaris/ (props changed) stable/7/sys/contrib/dev/acpica/ (props changed) stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/amd64/ia32/ia32_signal.c ============================================================================== --- stable/7/sys/amd64/ia32/ia32_signal.c Fri Jan 21 18:31:57 2011 (r217700) +++ stable/7/sys/amd64/ia32/ia32_signal.c Fri Jan 21 18:32:29 2011 (r217701) @@ -736,7 +736,6 @@ ia32_setregs(td, entry, stack, ps_string regs->tf_ss = _udatasel; regs->tf_cs = _ucode32sel; regs->tf_rbx = ps_strings; - load_cr0(rcr0() | CR0_MP | CR0_TS); fpstate_drop(td); /* Return via doreti so that we can change to a different %cs */ Modified: stable/7/sys/amd64/linux32/linux32_sysvec.c ============================================================================== --- stable/7/sys/amd64/linux32/linux32_sysvec.c Fri Jan 21 18:31:57 2011 (r217700) +++ stable/7/sys/amd64/linux32/linux32_sysvec.c Fri Jan 21 18:32:29 2011 (r217701) @@ -860,7 +860,7 @@ exec_linux_setregs(td, entry, stack, ps_ regs->tf_ss = _udatasel; regs->tf_cs = _ucode32sel; regs->tf_rbx = ps_strings; - load_cr0(rcr0() | CR0_MP | CR0_TS); + fpstate_drop(td); /* Return via doreti so that we can change to a different %cs */
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