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Greetings, the circus is back in town -- another version of the guest page hinting patches. The patches differ from version 6 only in the kernel version, they apply against 2.6.29. My short sniff test showed that the code is still working as expected. To recap (you can skip this if you read the boiler plate of the last version of the patches): The main benefit for guest page hinting vs. the

Greetings, the circus is back in town -- another version of the guest page hinting patches. The patches differ from version 6 only in the kernel version, they apply against 2.6.29. My short sniff test showed that the code is still working as expected. To recap (you can skip this if you read the boiler plate of the last version of the patches): The main benefit for guest page hinting vs. the

Greetings, the circus is back in town -- another version of the guest page hinting patches. The patches differ from version 6 only in the kernel version, they apply against 2.6.29. My short sniff test showed that the code is still working as expected. To recap (you can skip this if you read the boiler plate of the last version of the patches): The main benefit for guest page hinting vs. the

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 1/9] Guest page hinting: unused / free pages. A very simple but already quite effective improvement in the handling of guest memory vs. host memory is to tell t...

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 1/9] Guest page hinting: unused / free pages. A very simple but already quite effective improvement in the handling of guest memory vs. host memory is to tell t...

...many arguments to function 'account_steal_time' > arch/ia64/xen/time.c:133: warning: passing argument 1 of 'account_steal_time' makes integer from pointer without a cast > arch/ia64/xen/time.c:133: error: too many arguments to function 'account_steal_time' Cc: Martin Schwidefsky <schwidefsky at de.ibm.com> Signed-off-by: Isaku Yamahata <yamahata at valinux.co.jp> --- arch/ia64/xen/time.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/ia64/xen/time.c b/arch/ia64/xen/time.c index c85d319..fb83326 100644 --- a/arch/ia64/xen/time....

...many arguments to function 'account_steal_time' > arch/ia64/xen/time.c:133: warning: passing argument 1 of 'account_steal_time' makes integer from pointer without a cast > arch/ia64/xen/time.c:133: error: too many arguments to function 'account_steal_time' Cc: Martin Schwidefsky <schwidefsky at de.ibm.com> Signed-off-by: Isaku Yamahata <yamahata at valinux.co.jp> --- arch/ia64/xen/time.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/ia64/xen/time.c b/arch/ia64/xen/time.c index c85d319..fb83326 100644 --- a/arch/ia64/xen/time....

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 8/9] Guest page hinting: discarded page list. The discarded page list is used to postpone the freeing of discarded pages. The PG_discarded is set by either __re...

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 8/9] Guest page hinting: discarded page list. The discarded page list is used to postpone the freeing of discarded pages. The PG_discarded is set by either __re...

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 5/9] Guest page hinting: mlocked pages. Add code to get mlock() working with guest page hinting. The problem with mlock is that locked pages may not be removed...

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 5/9] Guest page hinting: mlocked pages. Add code to get mlock() working with guest page hinting. The problem with mlock is that locked pages may not be removed...

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 4/9] Guest page hinting: volatile swap cache. The volatile page state can be used for anonymous pages as well, if they have been added to the swap cache and the...

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 4/9] Guest page hinting: volatile swap cache. The volatile page state can be used for anonymous pages as well, if they have been added to the swap cache and the...

...is exported for device drivers. This allows drivers to skip device detection if the systems runs non-virtualized. We also define a preferred console to avoid having the ttyS0, which is a line mode only console. Signed-off-by: Christian Borntraeger <borntraeger at de.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky at de.ibm.com> Signed-off-by: Carsten Otte <cotte at de.ibm.com> --- arch/s390/Kconfig | 7 +++++++ arch/s390/kernel/early.c | 4 ++++ arch/s390/kernel/setup.c | 10 +++++++--- include/asm-s390/setup.h | 1 + 4 files changed, 19 insertions(+), 3 deletions...

...is exported for device drivers. This allows drivers to skip device detection if the systems runs non-virtualized. We also define a preferred console to avoid having the ttyS0, which is a line mode only console. Signed-off-by: Christian Borntraeger <borntraeger at de.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky at de.ibm.com> Signed-off-by: Carsten Otte <cotte at de.ibm.com> --- arch/s390/Kconfig | 7 +++++++ arch/s390/kernel/early.c | 4 ++++ arch/s390/kernel/setup.c | 10 +++++++--- include/asm-s390/setup.h | 1 + 4 files changed, 19 insertions(+), 3 deletions...

On Tue, 5 Jan 2016 11:30:19 +0200 "Michael S. Tsirkin" <mst at redhat.com> wrote: > On Tue, Jan 05, 2016 at 09:13:19AM +0100, Martin Schwidefsky wrote: > > On Mon, 4 Jan 2016 22:18:58 +0200 > > "Michael S. Tsirkin" <mst at redhat.com> wrote: > > > > > On Mon, Jan 04, 2016 at 02:45:25PM +0100, Peter Zijlstra wrote: > > > > On Thu, Dec 31, 2015 at 09:08:38PM +0200, Michael S. Tsirkin wro...

On Tue, 5 Jan 2016 11:30:19 +0200 "Michael S. Tsirkin" <mst at redhat.com> wrote: > On Tue, Jan 05, 2016 at 09:13:19AM +0100, Martin Schwidefsky wrote: > > On Mon, 4 Jan 2016 22:18:58 +0200 > > "Michael S. Tsirkin" <mst at redhat.com> wrote: > > > > > On Mon, Jan 04, 2016 at 02:45:25PM +0100, Peter Zijlstra wrote: > > > > On Thu, Dec 31, 2015 at 09:08:38PM +0200, Michael S. Tsirkin wro...

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 2/9] Guest page hinting: unused / free pages on s390. s390 uses the milli-coded ESSA instruction to set the page state. The page state is formed by four guest p...

From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Hubertus Franke <frankeh@watson.ibm.com> From: Himanshu Raj <rhim@cc.gatech.edu> [patch 2/9] Guest page hinting: unused / free pages on s390. s390 uses the milli-coded ESSA instruction to set the page state. The page state is formed by four guest p...

Greetings, after Carsten pitched CMM2 on the kvm mini summit here is a repost of version 5 of the guest page hinting patches. The code is still the same but has been adapted to the latest git level. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.