svn commit: r216446 - in stable/8/sys/amd64: amd64 include

[Jung-uk Kim]

Author: jkim
Date: Tue Dec 14 20:19:41 2010
New Revision: 216446
URL: http://svn.freebsd.org/changeset/base/216446

Log:
  MFC:	r210780
  
  Rearrange struct pcb to make better use of cache lines.
  
  Approved by:	re (kib)

Modified:
  stable/8/sys/amd64/amd64/genassym.c
  stable/8/sys/amd64/include/pcb.h
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/amd64/amd64/genassym.c
==============================================================================
--- stable/8/sys/amd64/amd64/genassym.c	Tue Dec 14 20:13:30 2010	(r216445)
+++ stable/8/sys/amd64/amd64/genassym.c	Tue Dec 14 20:19:41 2010	(r216446)
@@ -135,7 +135,6 @@ ASSYM(PCB_RIP, offsetof(struct pcb, pcb_
 ASSYM(PCB_FSBASE, offsetof(struct pcb, pcb_fsbase));
 ASSYM(PCB_GSBASE, offsetof(struct pcb, pcb_gsbase));
 ASSYM(PCB_KGSBASE, offsetof(struct pcb, pcb_kgsbase));
-ASSYM(PCB_FLAGS, offsetof(struct pcb, pcb_flags));
 ASSYM(PCB_CR0, offsetof(struct pcb, pcb_cr0));
 ASSYM(PCB_CR2, offsetof(struct pcb, pcb_cr2));
 ASSYM(PCB_CR3, offsetof(struct pcb, pcb_cr3));
@@ -146,6 +145,7 @@ ASSYM(PCB_DR2, offsetof(struct pcb, pcb_
 ASSYM(PCB_DR3, offsetof(struct pcb, pcb_dr3));
 ASSYM(PCB_DR6, offsetof(struct pcb, pcb_dr6));
 ASSYM(PCB_DR7, offsetof(struct pcb, pcb_dr7));
+ASSYM(PCB_FLAGS, offsetof(struct pcb, pcb_flags));
 ASSYM(PCB_ONFAULT, offsetof(struct pcb, pcb_onfault));
 ASSYM(PCB_GS32SD, offsetof(struct pcb, pcb_gs32sd));
 ASSYM(PCB_TSSP, offsetof(struct pcb, pcb_tssp));

Modified: stable/8/sys/amd64/include/pcb.h
==============================================================================
--- stable/8/sys/amd64/include/pcb.h	Tue Dec 14 20:13:30 2010	(r216445)
+++ stable/8/sys/amd64/include/pcb.h	Tue Dec 14 20:19:41 2010	(r216446)
@@ -55,15 +55,6 @@ struct pcb {
 	register_t	pcb_fsbase;
 	register_t	pcb_gsbase;
 	register_t	pcb_kgsbase;
-	u_long		pcb_flags;
-#define	PCB_DBREGS	0x02	/* process using debug registers */
-#define	PCB_KERNFPU	0x04	/* kernel uses fpu */
-#define	PCB_FPUINITDONE	0x08	/* fpu state is initialized */
-#define	PCB_USERFPUINITDONE 0x10 /* fpu user state is initialized */
-#define	PCB_GS32BIT	0x20	/* linux gs switch */
-#define	PCB_32BIT	0x40	/* process has 32 bit context (segs etc) */
-#define	PCB_FULLCTX	0x80	/* full context restore on sysret */
-
 	register_t	pcb_cr0;
 	register_t	pcb_cr2;
 	register_t	pcb_cr3;
@@ -75,6 +66,15 @@ struct pcb {
 	register_t	pcb_dr6;
 	register_t	pcb_dr7;
 
+	u_long		pcb_flags;
+#define	PCB_DBREGS	0x02	/* process using debug registers */
+#define	PCB_KERNFPU	0x04	/* kernel uses fpu */
+#define	PCB_FPUINITDONE	0x08	/* fpu state is initialized */
+#define	PCB_USERFPUINITDONE 0x10 /* fpu user state is initialized */
+#define	PCB_GS32BIT	0x20	/* linux gs switch */
+#define	PCB_32BIT	0x40	/* process has 32 bit context (segs etc) */
+#define	PCB_FULLCTX	0x80	/* full context restore on sysret */
+
 	uint16_t	pcb_initial_fpucw;
 
 	caddr_t		pcb_onfault; /* copyin/out fault recovery */