[Xen-changelog] [xen-unstable] [XEN] x86-64: eliminate __GUEST_[CDS]S*

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID 3dfb2eef0f054f4c1d595178e8590f7e55f7ea42
# Parent  c6efd6c2feaa3ec851685cc872a1ce989d998220
[XEN] x86-64: eliminate __GUEST_[CDS]S*

These duplicate the FLAT_KERNEL_* values also used for x86-32.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
---
 xen/arch/x86/domain.c        |    4 ++--
 xen/arch/x86/x86_64/entry.S  |    8 ++++----
 xen/arch/x86/x86_64/traps.c  |    8 ++++----
 xen/include/asm-x86/config.h |    6 ------
 4 files changed, 10 insertions(+), 16 deletions(-)

diff -r c6efd6c2feaa -r 3dfb2eef0f05 xen/arch/x86/domain.c
--- a/xen/arch/x86/domain.c     Mon Nov 13 13:37:54 2006 +0000
+++ b/xen/arch/x86/domain.c     Mon Nov 13 13:39:16 2006 +0000
@@ -587,9 +587,9 @@ static void load_segments(struct vcpu *n
         regs->entry_vector  = TRAP_syscall;
         regs->rflags       &= ~(X86_EFLAGS_AC|X86_EFLAGS_VM|X86_EFLAGS_RF|
                                 X86_EFLAGS_NT|X86_EFLAGS_TF);
-        regs->ss            = __GUEST_SS;
+        regs->ss            = FLAT_KERNEL_SS;
         regs->rsp           = (unsigned long)(rsp-11);
-        regs->cs            = __GUEST_CS;
+        regs->cs            = FLAT_KERNEL_CS;
         regs->rip           = nctxt->failsafe_callback_eip;
     }
 }
diff -r c6efd6c2feaa -r 3dfb2eef0f05 xen/arch/x86/x86_64/entry.S
--- a/xen/arch/x86/x86_64/entry.S       Mon Nov 13 13:37:54 2006 +0000
+++ b/xen/arch/x86/x86_64/entry.S       Mon Nov 13 13:39:16 2006 +0000
@@ -45,7 +45,7 @@ restore_all_guest:
         addq  $8,%rsp
         popq  %rcx                    # RIP
         popq  %r11                    # CS
-        cmpw  $__GUEST_CS32,%r11
+        cmpw  $FLAT_KERNEL_CS32,%r11
         popq  %r11                    # RFLAGS
         popq  %rsp                    # RSP
         je    1f
@@ -119,7 +119,7 @@ restore_all_xen:
         ALIGN
 ENTRY(syscall_enter)
         sti
-        movl  $__GUEST_SS,24(%rsp)
+        movl  $FLAT_KERNEL_SS,24(%rsp)
         pushq %rcx
         pushq $0
         movl  $TRAP_syscall,4(%rsp)
@@ -298,9 +298,9 @@ FLT13:  movq  %rax,(%rsi)               
         movl  $TRAP_syscall,UREGS_entry_vector+8(%rsp)
         andl  $~(X86_EFLAGS_AC|X86_EFLAGS_VM|X86_EFLAGS_RF|\
                  X86_EFLAGS_NT|X86_EFLAGS_TF),UREGS_eflags+8(%rsp)
-        movq  $__GUEST_SS,UREGS_ss+8(%rsp)
+        movq  $FLAT_KERNEL_SS,UREGS_ss+8(%rsp)
         movq  %rsi,UREGS_rsp+8(%rsp)
-        movq  $__GUEST_CS,UREGS_cs+8(%rsp)
+        movq  $FLAT_KERNEL_CS,UREGS_cs+8(%rsp)
         movq  TRAPBOUNCE_eip(%rdx),%rax
         testq %rax,%rax
         jz    domain_crash_synchronous
diff -r c6efd6c2feaa -r 3dfb2eef0f05 xen/arch/x86/x86_64/traps.c
--- a/xen/arch/x86/x86_64/traps.c       Mon Nov 13 13:37:54 2006 +0000
+++ b/xen/arch/x86/x86_64/traps.c       Mon Nov 13 13:39:16 2006 +0000
@@ -290,9 +290,9 @@ void __init percpu_traps_init(void)
     stack[14] = 0x41;
     stack[15] = 0x53;
 
-    /* pushq $__GUEST_CS64 */
+    /* pushq $FLAT_KERNEL_CS64 */
     stack[16] = 0x68;
-    *(u32 *)&stack[17] = __GUEST_CS64;
+    *(u32 *)&stack[17] = FLAT_KERNEL_CS64;
 
     /* jmp syscall_enter */
     stack[21] = 0xe9;
@@ -322,9 +322,9 @@ void __init percpu_traps_init(void)
     stack[14] = 0x41;
     stack[15] = 0x53;
 
-    /* pushq $__GUEST_CS32 */
+    /* pushq $FLAT_KERNEL_CS32 */
     stack[16] = 0x68;
-    *(u32 *)&stack[17] = __GUEST_CS32;
+    *(u32 *)&stack[17] = FLAT_KERNEL_CS32;
 
     /* jmp syscall_enter */
     stack[21] = 0xe9;
diff -r c6efd6c2feaa -r 3dfb2eef0f05 xen/include/asm-x86/config.h
--- a/xen/include/asm-x86/config.h      Mon Nov 13 13:37:54 2006 +0000
+++ b/xen/include/asm-x86/config.h      Mon Nov 13 13:39:16 2006 +0000
@@ -194,12 +194,6 @@ extern unsigned long _end; /* standard E
 #define __HYPERVISOR_DS32 0xe018
 #define __HYPERVISOR_DS   __HYPERVISOR_DS64
 
-#define __GUEST_CS64      0xe033
-#define __GUEST_CS32      0xe023
-#define __GUEST_CS        __GUEST_CS64
-#define __GUEST_DS        0x0000
-#define __GUEST_SS        0xe02b
-
 /* For generic assembly code: use macros to define operation/operand sizes. */
 #define __OS          "q"  /* Operation Suffix */
 #define __OP          "r"  /* Operand Prefix */

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