Displaying 6 results from an estimated 6 matches for "slow_io_by_jumping".
2007 Apr 18
1
[RFC, PATCH 16/24] i386 Vmi io header
...ng raw instruction strings. Adding a
wrapper layer here is fairly easy, and makes the full range of I/O
instructions available to the VMI interface.
Also, slowing down I/O is not a useful operation in a VM, so there
is a VMI call specifically to allow making it a NOP. I could find
no place where SLOW_IO_BY_JUMPING is still used, and consider it
obsoleted. Even on older 386 systems, the I/O delay approximation
by touching the extra page register is likely to better.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.16-rc5/include/asm-i386/io.h
==========================================...
2007 Apr 18
1
[RFC, PATCH 16/24] i386 Vmi io header
...ng raw instruction strings. Adding a
wrapper layer here is fairly easy, and makes the full range of I/O
instructions available to the VMI interface.
Also, slowing down I/O is not a useful operation in a VM, so there
is a VMI call specifically to allow making it a NOP. I could find
no place where SLOW_IO_BY_JUMPING is still used, and consider it
obsoleted. Even on older 386 systems, the I/O delay approximation
by touching the extra page register is likely to better.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.16-rc5/include/asm-i386/io.h
==========================================...
2007 Apr 18
1
RFC: const_udelay in 018-delay functions patch
...3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- a/drivers/net/de600.c
+++ b/drivers/net/de600.c
@@ -43,7 +43,6 @@ static const char version[] =3D "de600.c: =
* modify the following "#define": (see <asm/io.h> for more info)
#define REALLY_SLOW_IO
*/
-#define SLOW_IO_BY_JUMPING /* Looks "better" than dummy write to port 0x80=
:-) */
=
/* use 0 for production, 1 for verification, >2 for debug */
#ifdef DE600_DEBUG
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D...
2007 Apr 18
1
RFC: const_udelay in 018-delay functions patch
...3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- a/drivers/net/de600.c
+++ b/drivers/net/de600.c
@@ -43,7 +43,6 @@ static const char version[] =3D "de600.c: =
* modify the following "#define": (see <asm/io.h> for more info)
#define REALLY_SLOW_IO
*/
-#define SLOW_IO_BY_JUMPING /* Looks "better" than dummy write to port 0x80=
:-) */
=
/* use 0 for production, 1 for verification, >2 for debug */
#ifdef DE600_DEBUG
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D...
2007 Apr 18
8
[PATCH 0/7] x86 paravirtualization infrastructure
The following patches introduce the core infrastructure needed to
paravirtualize the 32-bit x86 Linux kernel. This is done by moving
virtualization sensitive insn's or code paths to a function table,
paravirt_ops. This structure can be populated with hypervisor specific
calls or native stubs and currently support running on bare metal, VMI,
Xen, or Lhype. These patches apply to
2007 Apr 18
8
[PATCH 0/7] x86 paravirtualization infrastructure
The following patches introduce the core infrastructure needed to
paravirtualize the 32-bit x86 Linux kernel. This is done by moving
virtualization sensitive insn's or code paths to a function table,
paravirt_ops. This structure can be populated with hypervisor specific
calls or native stubs and currently support running on bare metal, VMI,
Xen, or Lhype. These patches apply to