Displaying 5 results from an estimated 5 matches for "tsc_unstabl".
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tsc_unstable
2007 Jul 03
2
[PATCH 1/2] lguest: handle dodgy/non-existent TSC. Host code.
...SC speeds (informing all the guests about
the TSC impending change before it happens would be a great deal of
code and have issues with disobedient guests).
This patch makes the host determine if the TSC is both constant and
stable: if not, it doesn't tell the guest to use it. We export
check_tsc_unstable() for this.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
arch/i386/kernel/tsc.c | 3 ++-
drivers/lguest/core.c | 8 --------
drivers/lguest/hypercalls.c | 9 +++++++++
include/asm-i386/tsc.h | 1 +
4 files changed, 12 insertions(+), 9 deletions(-)
=...
2007 Jul 03
2
[PATCH 1/2] lguest: handle dodgy/non-existent TSC. Host code.
...SC speeds (informing all the guests about
the TSC impending change before it happens would be a great deal of
code and have issues with disobedient guests).
This patch makes the host determine if the TSC is both constant and
stable: if not, it doesn't tell the guest to use it. We export
check_tsc_unstable() for this.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
arch/i386/kernel/tsc.c | 3 ++-
drivers/lguest/core.c | 8 --------
drivers/lguest/hypercalls.c | 9 +++++++++
include/asm-i386/tsc.h | 1 +
4 files changed, 12 insertions(+), 9 deletions(-)
=...
2007 Dec 04
10
[PATCH 0/10] Integrate msr.h
Hello,
This series of patches integrates msr.h header.
What it really does, is a series of steps to allow us
to get rid of duplicate code between i386 and x86_64 versions
With this done, achieving paravirt for x86_64 gets really easy,
just a couple of extra code.
The first patch was already sent a while ago, but was not yet pushed
to any tree , to my knowledge. So it is sent again. Also,
2007 Dec 04
10
[PATCH 0/10] Integrate msr.h
Hello,
This series of patches integrates msr.h header.
What it really does, is a series of steps to allow us
to get rid of duplicate code between i386 and x86_64 versions
With this done, achieving paravirt for x86_64 gets really easy,
just a couple of extra code.
The first patch was already sent a while ago, but was not yet pushed
to any tree , to my knowledge. So it is sent again. Also,
2008 Jul 01
25
Guest TSC and Xen (Intel and AMD feedback please)
Various versions of Linux under various circumstances select
TSC as the primary clocksource for the kernel. This is
especially true for uniprocessor kernels, but also in some
cases for multiprocessor kernels. In most cases, this
is because a processor bit (tsc_invariant? constant_tsc?)
is passed through directly from the hardware via Xen and
tested by the hvm guest and the result implies that