search for: segment_ti_mask

Displaying 6 results from an estimated 6 matches for "segment_ti_mask".

[PATCH] Slight cleanups for x86 ring macros (against rc3-mm2)
2007 Apr 18
1
[PATCH] Slight cleanups for x86 ring macros (against rc3-mm2)
...DISABLE_INTERRUPTS # make sure we don't miss an interrupt @@ -374,8 +374,8 @@ restore_all: # See comments in process.c:copy_thread() for details. movb OLDSS(%esp), %ah movb CS(%esp), %al - andl $(VM_MASK | (4 << 8) | 3), %eax - cmpl $((4 << 8) | 3), %eax + andl $(VM_MASK | (SEGMENT_TI_MASK << 8) | SEGMENT_RPL_MASK), %eax + cmpl $((SEGMENT_LDT << 8) | USER_RPL), %eax CFI_REMEMBER_STATE je ldt_ss # returning to user-space with LDT SS restore_nocheck: diff -r d8064f9b5964 include/asm-i386/ptrace.h --- a/include/asm-i386/ptrace.h Mon Aug 07 13:30:17 2006 +1000 +++ b/in...
[PATCH] Slight cleanups for x86 ring macros (against rc3-mm2)
2007 Apr 18
1
[PATCH] Slight cleanups for x86 ring macros (against rc3-mm2)
...DISABLE_INTERRUPTS # make sure we don't miss an interrupt @@ -374,8 +374,8 @@ restore_all: # See comments in process.c:copy_thread() for details. movb OLDSS(%esp), %ah movb CS(%esp), %al - andl $(VM_MASK | (4 << 8) | 3), %eax - cmpl $((4 << 8) | 3), %eax + andl $(VM_MASK | (SEGMENT_TI_MASK << 8) | SEGMENT_RPL_MASK), %eax + cmpl $((SEGMENT_LDT << 8) | USER_RPL), %eax CFI_REMEMBER_STATE je ldt_ss # returning to user-space with LDT SS restore_nocheck: diff -r d8064f9b5964 include/asm-i386/ptrace.h --- a/include/asm-i386/ptrace.h Mon Aug 07 13:30:17 2006 +1000 +++ b/in...
[patch 3/8] Allow a kernel to not be in ring 0.
2007 Apr 18
2
[patch 3/8] Allow a kernel to not be in ring 0.
In-Reply-To: <20060803002518.190834642@xensource.com> On Wed, 02 Aug 2006 17:25:13 -0700, Jeremy Fitzhardinge wrote: > We allow for the fact that the guest kernel may not run in ring 0. > This requires some abstraction in a few places when setting %cs or > checking privilege level (user vs kernel). I made some changes: a. Added some comments about the SEGMENT_IS_*_CODE() macros.
[patch 3/8] Allow a kernel to not be in ring 0.
2007 Apr 18
2
[patch 3/8] Allow a kernel to not be in ring 0.
In-Reply-To: <20060803002518.190834642@xensource.com> On Wed, 02 Aug 2006 17:25:13 -0700, Jeremy Fitzhardinge wrote: > We allow for the fact that the guest kernel may not run in ring 0. > This requires some abstraction in a few places when setting %cs or > checking privilege level (user vs kernel). I made some changes: a. Added some comments about the SEGMENT_IS_*_CODE() macros.
[RFC, PATCH 11/24] i386 Vmi segment changes
2007 Apr 18
0
[RFC, PATCH 11/24] i386 Vmi segment changes
...================================== --- linux-2.6.16-rc5.orig/include/asm-i386/segment.h 2006-03-08 16:58:49.000000000 -0800 +++ linux-2.6.16-rc5/include/asm-i386/segment.h 2006-03-08 17:10:26.000000000 -0800 @@ -112,4 +112,9 @@ */ #define IDT_ENTRIES 256 +#define SEGMENT_RPL_MASK 0x03 +#define SEGMENT_TI_MASK 0x04 + +#include <mach_segment.h> + #endif Index: linux-2.6.16-rc5/include/asm-i386/mach-vmi/mach_segment.h =================================================================== --- linux-2.6.16-rc5.orig/include/asm-i386/mach-vmi/mach_segment.h 2006-03-08 17:10:26.000000000 -0800 +++ linux-2....
[RFC, PATCH 11/24] i386 Vmi segment changes
2007 Apr 18
0
[RFC, PATCH 11/24] i386 Vmi segment changes
...================================== --- linux-2.6.16-rc5.orig/include/asm-i386/segment.h 2006-03-08 16:58:49.000000000 -0800 +++ linux-2.6.16-rc5/include/asm-i386/segment.h 2006-03-08 17:10:26.000000000 -0800 @@ -112,4 +112,9 @@ */ #define IDT_ENTRIES 256 +#define SEGMENT_RPL_MASK 0x03 +#define SEGMENT_TI_MASK 0x04 + +#include <mach_segment.h> + #endif Index: linux-2.6.16-rc5/include/asm-i386/mach-vmi/mach_segment.h =================================================================== --- linux-2.6.16-rc5.orig/include/asm-i386/mach-vmi/mach_segment.h 2006-03-08 17:10:26.000000000 -0800 +++ linux-2....