[EMAIL PROTECTED]
Signed-off-by: Martin Schwidefsky [EMAIL PROTECTED]
---
drivers/s390/kvm/kvm_virtio.c | 40 +++-
1 file changed, 23 insertions(+), 17 deletions(-)
diff -urpN linux-2.6/drivers/s390/kvm/kvm_virtio.c
linux-2.6-patched/drivers/s390/kvm
On Fri, 2008-04-04 at 15:12 +0200, Carsten Otte wrote:
Index: kvm/include/asm-s390/pgtable.h
===
--- kvm.orig/include/asm-s390/pgtable.h
+++ kvm/include/asm-s390/pgtable.h
@@ -553,12 +553,12 @@ static inline void
On Sun, 2008-03-23 at 12:15 +0200, Avi Kivity wrote:
Can you convert the page tables at a later time without doing a
wholesale replacement of the mm? It should be a bit easier to keep
people off the pagetables than keep their grubby mitts off the mm
itself.
Yes, as far as I can
From: Martin Schwidefsky [EMAIL PROTECTED]
From: Hubertus Franke [EMAIL PROTECTED]
From: Himanshu Raj [EMAIL PROTECTED]
Add code to get mlock() working with guest page hinting. The problem
with mlock is that locked pages may not be removed from page cache.
That means they need to be stable
From: Martin Schwidefsky [EMAIL PROTECTED]
From: Hubertus Franke [EMAIL PROTECTED]
From: Himanshu Raj [EMAIL PROTECTED]
The volatile page state can be used for anonymous pages as well, if
they have been added to the swap cache and the swap write is finished.
The tricky bit
From: Martin Schwidefsky [EMAIL PROTECTED]
From: Hubertus Franke [EMAIL PROTECTED]
From: Himanshu Raj [EMAIL PROTECTED]
The volatile state for page cache and swap cache pages requires that
the host system needs to be able to determine if a volatile page is
dirty before removing it. This excludes
From: Martin Schwidefsky [EMAIL PROTECTED]
From: Hubertus Franke [EMAIL PROTECTED]
From: Himanshu Raj [EMAIL PROTECTED]
s390 uses the milli-coded ESSA instruction to set the page state. The
page state is formed by four guest page states called block usage states
and three host page states called
From: Martin Schwidefsky [EMAIL PROTECTED]
From: Hubertus Franke [EMAIL PROTECTED]
From: Himanshu Raj [EMAIL PROTECTED]
On of the challenges of the guest page hinting scheme is the cost for
the state transitions. If the cost gets too high the whole concept of
page state information is in question