Displaying 20 results from an estimated 25 matches for "mach_desc".
2007 Apr 18
0
[PATCH 11/12] subarch-desc
...set_limit(desc,limit) _set_limit((desc), ((limit)-1)>>12)
-
-static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, void *addr)
-{
- _set_tssldt_desc(&get_cpu_gdt_table(cpu)[entry], (int)addr,
- offsetof(struct tss_struct, __cacheline_filler) - 1, 0x89);
-}
+#include <mach_desc.h>
#define set_tss_desc(cpu,addr) __set_tss_desc(cpu, GDT_ENTRY_TSS, addr)
-static inline void set_ldt_desc(unsigned int cpu, void *addr, unsigned int size)
-{
- _set_tssldt_desc(&get_cpu_gdt_table(cpu)[GDT_ENTRY_LDT], (int)addr, ((size << 3)-1), 0x82);
-}
-
#define LDT_entry_a(i...
2007 Apr 18
0
[PATCH 11/12] subarch-desc
...set_limit(desc,limit) _set_limit((desc), ((limit)-1)>>12)
-
-static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, void *addr)
-{
- _set_tssldt_desc(&get_cpu_gdt_table(cpu)[entry], (int)addr,
- offsetof(struct tss_struct, __cacheline_filler) - 1, 0x89);
-}
+#include <mach_desc.h>
#define set_tss_desc(cpu,addr) __set_tss_desc(cpu, GDT_ENTRY_TSS, addr)
-static inline void set_ldt_desc(unsigned int cpu, void *addr, unsigned int size)
-{
- _set_tssldt_desc(&get_cpu_gdt_table(cpu)[GDT_ENTRY_LDT], (int)addr, ((size << 3)-1), 0x82);
-}
-
#define LDT_entry_a(i...
2007 Apr 18
3
[RFC, PATCH 10/24] i386 Vmi descriptor changes
...efine DESCTYPE_TASK 0x85 /* present, system, DPL-0, task gate */
+#define DESCTYPE_INT 0x8e /* present, system, DPL-0, interrupt gate */
+#define DESCTYPE_TRAP 0x8f /* present, system, DPL-0, trap gate */
+#define DESCTYPE_DPL3 0x60 /* DPL-3 */
+#define DESCTYPE_S 0x10 /* !system */
+
+#include <mach_desc.h>
+
+static inline void _set_gate(int gate, unsigned int type, void *addr, unsigned short seg)
+{
+ __u32 a, b;
+ pack_gate(&a, &b, (unsigned long)addr, seg, type, 0);
+ write_idt_entry(idt_table, gate, a, b);
+}
+
+static inline void __set_tss_desc(unsigned int cpu, unsigned int entry,...
2007 Apr 18
3
[RFC, PATCH 10/24] i386 Vmi descriptor changes
...efine DESCTYPE_TASK 0x85 /* present, system, DPL-0, task gate */
+#define DESCTYPE_INT 0x8e /* present, system, DPL-0, interrupt gate */
+#define DESCTYPE_TRAP 0x8f /* present, system, DPL-0, trap gate */
+#define DESCTYPE_DPL3 0x60 /* DPL-3 */
+#define DESCTYPE_S 0x10 /* !system */
+
+#include <mach_desc.h>
+
+static inline void _set_gate(int gate, unsigned int type, void *addr, unsigned short seg)
+{
+ __u32 a, b;
+ pack_gate(&a, &b, (unsigned long)addr, seg, type, 0);
+ write_idt_entry(idt_table, gate, a, b);
+}
+
+static inline void __set_tss_desc(unsigned int cpu, unsigned int entry,...
2007 Apr 18
2
[PATCH 1/14] i386 / Make write ldt return error code
Xen requires error returns from the hypercall to update LDT entries,
and this generates completely equivalent code on native.
Patch-base: 2.6.13-rc5-mm1
Patch-keys: i386 desc ldt paravirt xen
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-09 18:19:39.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-09 18:24:10.000000000 -0700
@@ -62,11 +62,12 @@
_set_tssldt_...
2007 Apr 18
0
[PATCH 2/14] i386 / Remove ugly tls code
Got too many complaints that this code is ugly. It is. Fix it.
Patch-base: 2.6.13-rc5-mm1
Patch-keys: i386 desc cleanup
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-09 18:37:58.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-10 20:44:46.000000000 -0700
@@ -70,15 +70,9 @@
return 0;
}...
2007 Apr 18
2
[PATCH 1/14] i386 / Make write ldt return error code
Xen requires error returns from the hypercall to update LDT entries,
and this generates completely equivalent code on native.
Patch-base: 2.6.13-rc5-mm1
Patch-keys: i386 desc ldt paravirt xen
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-09 18:19:39.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-09 18:24:10.000000000 -0700
@@ -62,11 +62,12 @@
_set_tssldt_...
2007 Apr 18
0
[PATCH 2/14] i386 / Remove ugly tls code
Got too many complaints that this code is ugly. It is. Fix it.
Patch-base: 2.6.13-rc5-mm1
Patch-keys: i386 desc cleanup
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-09 18:37:58.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-10 20:44:46.000000000 -0700
@@ -70,15 +70,9 @@
return 0;
}...
2007 Apr 18
1
[PATCH 4/14] i386 / Clean up asm and volatile keywords in desc
Stop using extra underscores on asm and volatiles, that is just silly.
Also, make lgdt/lidt/sgdt/sldt explicitly "l".
Patch-base: 2.6.13-rc5-mm1
Patch-keys: i386 desc cleanup
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-09 18:38:14.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-10 20:42:03.000000000 -0700
@@ -24,30 +24,30 @@
#ifndef __MAC...
2007 Apr 18
1
[PATCH 4/14] i386 / Clean up asm and volatile keywords in desc
Stop using extra underscores on asm and volatiles, that is just silly.
Also, make lgdt/lidt/sgdt/sldt explicitly "l".
Patch-base: 2.6.13-rc5-mm1
Patch-keys: i386 desc cleanup
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-09 18:38:14.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-10 20:42:03.000000000 -0700
@@ -24,30 +24,30 @@
#ifndef __MAC...
2007 Apr 18
2
[PATCH 12/12; UPDATED] xen-ldt
...oid del_context_from_unpinned(struct mm_struct *mm)
+{
+ if (!mm->context.pinned) {
+ spin_lock(&mm_unpinned_lock);
+ list_del(&mm->context.unpinned);
+ spin_unlock(&mm_unpinned_lock);
+ }
+}
+
+#endif /* __ASM_HYPERVISOR_HOOKS_H */
Index: linux-2.6.13/include/asm-i386/mach-xen/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-xen/mach_desc.h 2005-08-08 21:17:02.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-xen/mach_desc.h 2005-08-08 21:19:43.000000000 -0700
@@ -0,0 +1,11 @@
+#ifndef __MACH_DESC_H
+#...
2007 Apr 18
2
[PATCH 12/12; UPDATED] xen-ldt
...oid del_context_from_unpinned(struct mm_struct *mm)
+{
+ if (!mm->context.pinned) {
+ spin_lock(&mm_unpinned_lock);
+ list_del(&mm->context.unpinned);
+ spin_unlock(&mm_unpinned_lock);
+ }
+}
+
+#endif /* __ASM_HYPERVISOR_HOOKS_H */
Index: linux-2.6.13/include/asm-i386/mach-xen/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-xen/mach_desc.h 2005-08-08 21:17:02.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-xen/mach_desc.h 2005-08-08 21:19:43.000000000 -0700
@@ -0,0 +1,11 @@
+#ifndef __MACH_DESC_H
+#...
2007 Apr 18
2
[PATCH 8/14] i386 / Add a per cpu gdt accessor
...e[GDT_ENTRIES];
DECLARE_PER_CPU(struct desc_struct, cpu_gdt_table[GDT_ENTRIES]);
+#define get_cpu_gdt_table(_cpu) (per_cpu(cpu_gdt_table, _cpu))
+
DECLARE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
struct Xgt_desc_struct {
Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-09 20:17:21.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-10 16:37:36.000000000 -0700
@@ -53,13 +53,13 @@
static inli...
2007 Apr 18
2
[PATCH 8/14] i386 / Add a per cpu gdt accessor
...e[GDT_ENTRIES];
DECLARE_PER_CPU(struct desc_struct, cpu_gdt_table[GDT_ENTRIES]);
+#define get_cpu_gdt_table(_cpu) (per_cpu(cpu_gdt_table, _cpu))
+
DECLARE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
struct Xgt_desc_struct {
Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
===================================================================
--- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-09 20:17:21.000000000 -0700
+++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-10 16:37:36.000000000 -0700
@@ -53,13 +53,13 @@
static inli...
2007 Apr 18
3
[PATCH] abstract out bits of ldt.c
Chris Wright wrote:
>* Zachary Amsden (zach@vmware.com) wrote:
>
>
>>Does Xen assume page aligned descriptor tables? I assume from this
>>
>>
>
>Yes.
>
>
>
>>patch and snippets I have gathered from others, that is a yes, and other
>>things here imply that DT pages are not shadowed. If so, Xen itself
>>must have live segments
2007 Apr 18
3
[PATCH] abstract out bits of ldt.c
Chris Wright wrote:
>* Zachary Amsden (zach@vmware.com) wrote:
>
>
>>Does Xen assume page aligned descriptor tables? I assume from this
>>
>>
>
>Yes.
>
>
>
>>patch and snippets I have gathered from others, that is a yes, and other
>>things here imply that DT pages are not shadowed. If so, Xen itself
>>must have live segments
2007 Apr 18
2
[PATCH 3/6] i386 virtualization - Make ldt a desc struct
...> @@ -32,7 +32,7 @@
> */
> static inline void destroy_context(struct mm_struct *mm)
> {
> - if (unlikely(mm->context.size))
> + if (unlikely(mm->context.ldt))
> destroy_ldt(mm);
> del_lazy_mm(mm);
> }
> Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
> ===================================================================
> --- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-15 11:16:59.000000000 -0700
> +++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-15 11:19:49.000000000 -0700
> @@ -62,11 +62,...
2007 Apr 18
2
[PATCH 3/6] i386 virtualization - Make ldt a desc struct
...> @@ -32,7 +32,7 @@
> */
> static inline void destroy_context(struct mm_struct *mm)
> {
> - if (unlikely(mm->context.size))
> + if (unlikely(mm->context.ldt))
> destroy_ldt(mm);
> del_lazy_mm(mm);
> }
> Index: linux-2.6.13/include/asm-i386/mach-default/mach_desc.h
> ===================================================================
> --- linux-2.6.13.orig/include/asm-i386/mach-default/mach_desc.h 2005-08-15 11:16:59.000000000 -0700
> +++ linux-2.6.13/include/asm-i386/mach-default/mach_desc.h 2005-08-15 11:19:49.000000000 -0700
> @@ -62,11 +62,...
2007 Apr 18
1
[PATCH 5/14] i386 / Use early clobber to eliminate rotate in desc
...,5(%3)\n\t" \
+ "movb $0,6(%3)\n\t" \
+ "movb %h2,7(%3)\n\t" \
+ : "=m"(*(desc)), "=&q" (__tmp) \
+ : "1" (addr), "r"(desc), "ir"(limit), "i"(type)); \
+} while (0)
+
#include <mach_desc.h>
#define set_tss_desc(cpu,addr) __set_tss_desc(cpu, GDT_ENTRY_TSS, addr)
2007 Apr 18
1
[PATCH 5/14] i386 / Use early clobber to eliminate rotate in desc
...,5(%3)\n\t" \
+ "movb $0,6(%3)\n\t" \
+ "movb %h2,7(%3)\n\t" \
+ : "=m"(*(desc)), "=&q" (__tmp) \
+ : "1" (addr), "r"(desc), "ir"(limit), "i"(type)); \
+} while (0)
+
#include <mach_desc.h>
#define set_tss_desc(cpu,addr) __set_tss_desc(cpu, GDT_ENTRY_TSS, addr)