search for: linuxram

...murphy at arm.com> > cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com> > cc: Marek Szyprowski <m.szyprowski at samsung.com> > cc: Christoph Hellwig <hch at lst.de> > Suggested-by: Michael S. Tsirkin <mst at redhat.com> > Signed-off-by: Ram Pai <linuxram at us.ibm.com> > Signed-off-by: Thiago Jung Bauermann <bauerman at linux.ibm.com> The change itself looks ok, so Reviewed-by: David Gibson <david at gibson.dropbear.id.au> However, I would like to see the commit message (and maybe the inline comments) expanded a bit on what the...

...murphy at arm.com> > cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com> > cc: Marek Szyprowski <m.szyprowski at samsung.com> > cc: Christoph Hellwig <hch at lst.de> > Suggested-by: Michael S. Tsirkin <mst at redhat.com> > Signed-off-by: Ram Pai <linuxram at us.ibm.com> > Signed-off-by: Thiago Jung Bauermann <bauerman at linux.ibm.com> The change itself looks ok, so Reviewed-by: David Gibson <david at gibson.dropbear.id.au> However, I would like to see the commit message (and maybe the inline comments) expanded a bit on what the...

**We would like the patches to be merged through the virtio tree. Please review, and ack merging the DMA mapping change through that tree. Thanks!** The memory of powerpc secure guests can't be accessed by the hypervisor / virtio device except for a few memory regions designated as 'shared'. At the moment, Linux uses bounce-buffering to communicate with the hypervisor, with a

...ozlabs.org> cc: Michael Roth <mdroth at linux.vnet.ibm.com> cc: Alexey Kardashevskiy <aik at linux.ibm.com> cc: Jason Wang <jasowang at redhat.com> cc: Christoph Hellwig <hch at lst.de> Suggested-by: Michael S. Tsirkin <mst at redhat.com> Signed-off-by: Ram Pai <linuxram at us.ibm.com> Signed-off-by: Thiago Jung Bauermann <bauerman at linux.ibm.com> --- drivers/virtio/virtio.c | 18 ++++++++++++++++++ drivers/virtio/virtio_ring.c | 8 ++++++++ include/linux/virtio_config.h | 14 ++++++++++++++ 3 files changed, 40 insertions(+) diff --git a/driver...

...ozlabs.org> cc: Michael Roth <mdroth at linux.vnet.ibm.com> cc: Alexey Kardashevskiy <aik at linux.ibm.com> cc: Jason Wang <jasowang at redhat.com> cc: Christoph Hellwig <hch at lst.de> Suggested-by: Michael S. Tsirkin <mst at redhat.com> Signed-off-by: Ram Pai <linuxram at us.ibm.com> Signed-off-by: Thiago Jung Bauermann <bauerman at linux.ibm.com> --- drivers/virtio/virtio.c | 18 ++++++++++++++++++ drivers/virtio/virtio_ring.c | 8 ++++++++ include/linux/virtio_config.h | 14 ++++++++++++++ 3 files changed, 40 insertions(+) diff --git a/driver...

...: Robin Murphy <robin.murphy at arm.com> cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com> cc: Marek Szyprowski <m.szyprowski at samsung.com> cc: Christoph Hellwig <hch at lst.de> Suggested-by: Michael S. Tsirkin <mst at redhat.com> Signed-off-by: Ram Pai <linuxram at us.ibm.com> Signed-off-by: Thiago Jung Bauermann <bauerman at linux.ibm.com> --- arch/powerpc/include/asm/dma-mapping.h | 21 +++++++++++++++++++++ arch/powerpc/platforms/pseries/Kconfig | 1 + include/linux/dma-mapping.h | 20 ++++++++++++++++++++ kernel/dma/Kconfig...

...; >> cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com> >> cc: Marek Szyprowski <m.szyprowski at samsung.com> >> cc: Christoph Hellwig <hch at lst.de> >> Suggested-by: Michael S. Tsirkin <mst at redhat.com> >> Signed-off-by: Ram Pai <linuxram at us.ibm.com> >> Signed-off-by: Thiago Jung Bauermann <bauerman at linux.ibm.com> > > The change itself looks ok, so > > Reviewed-by: David Gibson <david at gibson.dropbear.id.au> > > However, I would like to see the commit message (and maybe the inline &g...

...aco <rajman.mekaco@gmail.com> Raju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com> Rami Rosen <ramirose@gmail.com> Rami Rosen &...

...aco <rajman.mekaco@gmail.com> Raju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com> Rami Rosen <ramirose@gmail.com> Rami Rosen &...

...aco <rajman.mekaco@gmail.com> Raju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com> Rami Rosen <ramirose@gmail.com> Rami Rosen &...

...aju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ralph Droms <rdroms@gmail.com> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com> Rami Rosen <ramirose@gmail.com> Rami Rosen &...

...aju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ralph Droms <rdroms@gmail.com> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com> Rami Rosen <ramirose@gmail.com> Rami Rosen &...

...aju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ralph Droms <rdroms@gmail.com> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramachandra Gajula <rama@fastorsystems.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com>...

...aju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ralph Droms <rdroms@gmail.com> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramachandra Gajula <rama@fastorsystems.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com>...

...aju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ralph Droms <rdroms@gmail.com> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramachandra Gajula <rama@fastorsystems.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com>...

...aju Subramanian <rsubramanian@nicira.com> Rakesh Iyer <riyer@nvidia.com> Rakib Mullick <rakib.mullick@gmail.com> Ralf Baechle <ralf@linux-mips.org> Ralf Jung <post@ralfj.de> Ralph Droms <rdroms@gmail.com> Ram Malovany <ramm@ti.com> Ram Pai <linuxram@us.ibm.com> Ramachandra Gajula <rama@fastorsystems.com> Ramakrishna Pallala <ramakrishna.pallala@intel.com> Ramesh Babu K V <ramesh.babu@intel.com> Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com> Ramesh Nagappa <ramesh.nagappa@ericsson.com>...

On Thu, Oct 01, 2020 at 11:17:15AM -0700, Ralph Campbell wrote: > ZONE_DEVICE struct pages have an extra reference count that complicates the > code for put_page() and several places in the kernel that need to check the > reference count to see that a page is not being used (gup, compaction, > migration, etc.). Clean up the code so the reference count doesn't need to > be

On Sun, Aug 11, 2019 at 07:56:07AM +0200, Christoph Hellwig wrote: > sev_active() is gone now in linux-next, at least as a global API. > > And once again this is entirely going in the wrong direction. The only > way using the DMA API is going to work at all is if the device is ready > for it. So we need a flag on the virtio device, exposed by the > hypervisor (or hardware for

On Sat, Aug 10, 2019 at 02:57:17PM -0400, Michael S. Tsirkin wrote: > On Tue, Jan 29, 2019 at 03:08:12PM -0200, Thiago Jung Bauermann wrote: > > > > Hello, > > > > With Christoph's rework of the DMA API that recently landed, the patch > > below is the only change needed in virtio to make it work in a POWER > > secure guest under the ultravisor. >