Module Name: src
Committed By: dsl
Date: Sun Feb 23 22:36:43 UTC 2014
Modified Files:
src/sys/arch/i386/i386: machdep.c
Log Message:
Avoid unnecessary (and pointless) references to pcb->pcb_savefpu.
They were all in asserts.
To generate a diff of this commit:
cvs rdiff -u -r1.751 -r1.752 src/sys/arch/i386/i386/machdep.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/i386/i386/machdep.c
diff -u src/sys/arch/i386/i386/machdep.c:1.751 src/sys/arch/i386/i386/machdep.c:1.752
--- src/sys/arch/i386/i386/machdep.c:1.751 Sun Feb 23 12:56:40 2014
+++ src/sys/arch/i386/i386/machdep.c Sun Feb 23 22:36:43 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: machdep.c,v 1.751 2014/02/23 12:56:40 dsl Exp $ */
+/* $NetBSD: machdep.c,v 1.752 2014/02/23 22:36:43 dsl Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 2000, 2004, 2006, 2008, 2009
@@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.751 2014/02/23 12:56:40 dsl Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.752 2014/02/23 22:36:43 dsl Exp $");
#include "opt_beep.h"
#include "opt_compat_ibcs2.h"
@@ -1185,12 +1185,6 @@ init386(paddr_t first_avail)
uvm_setpagesize();
/*
- * Saving SSE registers won't work if the save area isn't
- * 16-byte aligned.
- */
- KASSERT((offsetof(struct pcb, pcb_savefpu) & 0xf) == 0);
-
- /*
* Start with 2 color bins -- this is just a guess to get us
* started. We'll recolor when we determine the largest cache
* sizes on the system.
@@ -1540,7 +1534,6 @@ cpu_getmcontext(struct lwp *l, mcontext_
{
const struct trapframe *tf = l->l_md.md_regs;
__greg_t *gr = mcp->__gregs;
- struct pcb *pcb;
__greg_t ras_eip;
/* Save register context. */
@@ -1593,7 +1586,7 @@ cpu_getmcontext(struct lwp *l, mcontext_
* It wouldn't matter if we were doing the copyout here.
* So we might as well convert to fxsave format.
*/
- __CTASSERT(sizeof pcb->pcb_savefpu.sv_xmm ==
+ __CTASSERT(sizeof (struct fxsave) ==
sizeof mcp->__fpregs.__fp_reg_set.__fp_xmm_state);
process_read_fpregs_xmm(l, (struct fxsave *)
&mcp->__fpregs.__fp_reg_set.__fp_xmm_state);
@@ -1626,7 +1619,6 @@ cpu_setmcontext(struct lwp *l, const mco
{
struct trapframe *tf = l->l_md.md_regs;
const __greg_t *gr = mcp->__gregs;
- struct pcb *pcb = lwp_getpcb(l);
struct proc *p = l->l_proc;
int error;
@@ -1676,9 +1668,9 @@ cpu_setmcontext(struct lwp *l, const mco
/* Restore floating point register context, if given. */
if ((flags & _UC_FPU) != 0) {
- __CTASSERT(sizeof pcb->pcb_savefpu.sv_xmm ==
+ __CTASSERT(sizeof (struct fxsave) ==
sizeof mcp->__fpregs.__fp_reg_set.__fp_xmm_state);
- __CTASSERT(sizeof pcb->pcb_savefpu.sv_87 ==
+ __CTASSERT(sizeof (struct save87) ==
sizeof mcp->__fpregs.__fp_reg_set.__fpchip_state);
if (flags & _UC_FXSAVE) {