Xen devel - Nov 2006 - [PATCH 0/3] blktap: various clean up and ia64 support

Hi. This patch set is for blktap support on IA64.
I''m aware of zap_page_range() discussion, but I didn''t
address it at this time.

Xen/IA64 adopts VP (Virtual Physical) model(i.e. it fully virtualize MMU)
so that GNTMAP_application_map and GNTMAP_contains_pte doesn''t make
sense.
Instead, blktap driver calls vm_insert_pages() and zap_page_range().
I used "if (xen_feature(XENFEAT_auto_translated_physmap))" instead of
"#ifdef __ia64__" like blkback, netback.

[PATCH 1/3] blktap various clean up
[PATCH 2/3] blktap mb fixes
[PATCH 3/3] blktap ia64 support


Thanks

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Isaku Yamahata wrote:  [Thu Nov 02 2006, 01:00:20AM EST]
> Hi. This patch set is for blktap support on IA64.
Hi Isaku,

I tested this today on rx2600 (2x Madison).  It''s working very well!
Thanks a lot for working on this.

Also, here is the patch to enable blktap by default in the xen/ia64
buildconfigs.

Regards,
Aron

Signed-off-by: Aron Griffis <aron@hp.com>

diff -r 552aac8b0aee buildconfigs/linux-defconfig_xen0_ia64
--- a/buildconfigs/linux-defconfig_xen0_ia64	Thu Nov 02 12:05:32 2006 +0900
+++ b/buildconfigs/linux-defconfig_xen0_ia64	Thu Nov 02 14:36:44 2006 -0500
@@ -1529,7 +1529,7 @@ CONFIG_XEN_XENBUS_DEV=y
 CONFIG_XEN_XENBUS_DEV=y
 CONFIG_XEN_BACKEND=y
 CONFIG_XEN_BLKDEV_BACKEND=y
-# CONFIG_XEN_BLKDEV_TAP is not set
+CONFIG_XEN_BLKDEV_TAP=y
 CONFIG_XEN_NETDEV_BACKEND=y
 # CONFIG_XEN_NETDEV_PIPELINED_TRANSMITTER is not set
 CONFIG_XEN_NETDEV_LOOPBACK=y
diff -r 552aac8b0aee buildconfigs/linux-defconfig_xen_ia64
--- a/buildconfigs/linux-defconfig_xen_ia64	Thu Nov 02 12:05:32 2006 +0900
+++ b/buildconfigs/linux-defconfig_xen_ia64	Thu Nov 02 14:37:01 2006 -0500
@@ -1535,7 +1535,7 @@ CONFIG_XEN_XENBUS_DEV=y
 CONFIG_XEN_XENBUS_DEV=y
 CONFIG_XEN_BACKEND=y
 CONFIG_XEN_BLKDEV_BACKEND=y
-# CONFIG_XEN_BLKDEV_TAP is not set
+CONFIG_XEN_BLKDEV_TAP=y
 CONFIG_XEN_NETDEV_BACKEND=y
 # CONFIG_XEN_NETDEV_PIPELINED_TRANSMITTER is not set
 CONFIG_XEN_NETDEV_LOOPBACK=y

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Hi Keir,

Is something keeping Isaku''s blktap/ia64 patches from xen-unstable?
We need these in RHEL5 but I''d like to see them merged into
xen-unstable before patching the distro.

Thanks,
Aron

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On 6/11/06 9:21 pm, "Aron Griffis" <aron@hp.com> wrote:
> Is something keeping Isaku''s blktap/ia64 patches from
xen-unstable?
I''m not really blktap maintainer. Andy or Julian should probably look
at the
patches.

 -- Keir



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