[PATCH 0/2] Open Xen 4.9-unstable, reenable debug

[PATCH 0/2] Open Xen 4.9-unstable, reenable debug

[Ian Jackson]

I have pushed the first of these two patches to new-staging.  It is
very like all previous such commits.  The second, to reenable
hypervisor debug, I decided to get some review on.

When staging is properly open, I or the release manager will send an
announcement about its status and what should and should not be
committed where.

Thanks,
Ian.

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[PATCH 1/2] Open Xen 4.9-unstable

[Ian Jackson]

* Change version number in README and xen/Makefile to `4.8-unstable'.

* Set `debug ?= y' in Config.mk.

* Set QEMU_UPSTREAM_REVISION to track qemu-xen.git `master'.

* Set MINIOS_UPSTREAM_REVISION and QEMU_TRADITIONAL_REVISION back to
  commit hashes, rather than 4.8 tags.

Hypervisor debug enablement is left aside for now.

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
---
 Config.mk    | 10 ++++++----
 README       | 10 +++++-----
 xen/Makefile |  4 ++--
 3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/Config.mk b/Config.mk
index 1de7f36..1e02f62 100644
--- a/Config.mk
+++ b/Config.mk
@@ -18,7 +18,7 @@ or       = $(if $(strip $(1)),$(1),$(if $(strip $(2)),$(2),$(if $(strip $(3)),$(
 
 # A debug build of tools?
 # Hypervisor debug build is controlled by Kconfig.
-debug ?= n
+debug ?= y
 debug_symbols ?= $(debug)
 
 XEN_COMPILE_ARCH    ?= $(shell uname -m | sed -e s/i.86/x86_32/ \
@@ -277,8 +277,8 @@ SEABIOS_UPSTREAM_URL ?= git://xenbits.xen.org/seabios.git
 MINIOS_UPSTREAM_URL ?= git://xenbits.xen.org/mini-os.git
 endif
 OVMF_UPSTREAM_REVISION ?= bc54e50e0fe03c570014f363b547426913e92449
-QEMU_UPSTREAM_REVISION ?= qemu-xen-4.8.0-rc7
-MINIOS_UPSTREAM_REVISION ?= xen-4.8.0-rc1
+QEMU_UPSTREAM_REVISION ?= master
+MINIOS_UPSTREAM_REVISION ?= e20998fbec0af4d783abb1a0695ab4614064c520
 # Wed Sep 28 11:50:04 2016 +0200
 # minios: fix build issue with xen_*mb defines
 
@@ -289,7 +289,9 @@ SEABIOS_UPSTREAM_REVISION ?= rel-1.10.0
 ETHERBOOT_NICS ?= rtl8139 8086100e
 
 
-QEMU_TRADITIONAL_REVISION ?= xen-4.8.0-rc7
+QEMU_TRADITIONAL_REVISION ?= 89c4cbe8d234049b0145e4dc5e5d19d626250b57
+# Tue Nov 29 16:36:38 2016 +0000
+# xen: fix ioreq handling
 
 # Specify which qemu-dm to use. This may be `ioemu' to use the old
 # Mercurial in-tree version, or a local directory, or a git URL.
diff --git a/README b/README
index b370ce2..76433a9 100644
--- a/README
+++ b/README
@@ -1,9 +1,9 @@
 #################################
-__  __            _  _    ___   ___
-\ \/ /___ _ __   | || |  ( _ ) / _ \       _ __ ___
- \  // _ \ '_ \  | || |_ / _ \| | | |_____| '__/ __|
- /  \  __/ | | | |__   _| (_) | |_| |_____| | | (__
-/_/\_\___|_| |_|    |_|(_)___(_)___/      |_|  \___|
+__  __            _  _   ___                        _        _     _
+\ \/ /___ _ __   | || | / _ \       _   _ _ __  ___| |_ __ _| |__ | | ___
+ \  // _ \ '_ \  | || || (_) |_____| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
+ /  \  __/ | | | |__   _\__, |_____| |_| | | | \__ \ || (_| | |_) | |  __/
+/_/\_\___|_| |_|    |_|(_)/_/       \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
 
 #################################
 
diff --git a/xen/Makefile b/xen/Makefile
index b8df99f..ddac7e0 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -1,8 +1,8 @@
 # This is the correct place to edit the build version.
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 4
-export XEN_SUBVERSION    = 8
-export XEN_EXTRAVERSION ?= .0-rc$(XEN_VENDORVERSION)
+export XEN_SUBVERSION    = 9
+export XEN_EXTRAVERSION ?= -unstable$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version
 
-- 
2.1.4


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[PATCH 2/2] Re-enable hypervisor debug as part of opening 4.9

[Ian Jackson]

AFAICT following bacbf0cb7349 "build: convert debug to Kconfig"
hypervisor debug enablement is controlled here, rather than in
Config.mk.

The release checklist says that when branching, the new staging should
have debug enabled.  It seems to me that I should be changing this
here, therefore.

As additional evidence, I offer e1d1c68ea8a3 "xen: disable debug
build" which went in between 4.8.0 RC5 and RC6.  It does not explain
why this was done but it does STM that reverting that change is right.

CC: Andrew Cooper <andrew.cooper3@citrix.com>
CC: George Dunlap <George.Dunlap@eu.citrix.com>
CC: Jan Beulich <jbeulich@suse.com>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: Stefano Stabellini <sstabellini@kernel.org>
CC: Tim Deegan <tim@xen.org>
CC: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
---
 xen/Kconfig.debug | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/Kconfig.debug b/xen/Kconfig.debug
index b3bb085..e9f7dcd 100644
--- a/xen/Kconfig.debug
+++ b/xen/Kconfig.debug
@@ -3,7 +3,7 @@ menu "Debugging Options"
 
 config DEBUG
 	bool "Developer Checks"
-	default n
+	default y
 	---help---
 	  If you say Y here this will enable developer checks such as asserts
 	  and extra printks. This option is intended for development purposes
-- 
2.1.4


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Re: [PATCH 2/2] Re-enable hypervisor debug as part of opening 4.9

[Jan Beulich]

>>> On 02.12.16 at 13:23, <ian.jackson@eu.citrix.com> wrote:
> AFAICT following bacbf0cb7349 "build: convert debug to Kconfig"
> hypervisor debug enablement is controlled here, rather than in
> Config.mk.
> 
> The release checklist says that when branching, the new staging should
> have debug enabled.  It seems to me that I should be changing this
> here, therefore.
> 
> As additional evidence, I offer e1d1c68ea8a3 "xen: disable debug
> build" which went in between 4.8.0 RC5 and RC6.  It does not explain
> why this was done but it does STM that reverting that change is right.
> 
> CC: Andrew Cooper <andrew.cooper3@citrix.com>
> CC: George Dunlap <George.Dunlap@eu.citrix.com>
> CC: Jan Beulich <jbeulich@suse.com>
> CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> CC: Stefano Stabellini <sstabellini@kernel.org>
> CC: Tim Deegan <tim@xen.org>
> CC: Wei Liu <wei.liu2@citrix.com>
> Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>

Acked-by: Jan Beulich <jbeulich@suse.com>


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Re: [PATCH 2/2] Re-enable hypervisor debug as part of opening 4.9

[Ian Jackson]

Jan Beulich writes ("Re: [PATCH 2/2] Re-enable hypervisor debug as part of opening 4.9"):
> Acked-by: Jan Beulich <jbeulich@suse.com>

Thanks, pushed.  I have also updated the checklist.

Ian.

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Re: [PATCH 1/2] Open Xen 4.9-unstable

[Andrew Cooper]

On 02/12/16 12:23, Ian Jackson wrote:
> * Change version number in README and xen/Makefile to `4.8-unstable'.

ITYM 4.9 here, but it looks like the content of the patch was correct.

~Andrew

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Re: [PATCH 0/2] Open Xen 4.9-unstable, reenable debug

[Olaf Hering]

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On Fri, Dec 02, Ian Jackson wrote:

> I have pushed the first of these two patches to new-staging.  It is
> very like all previous such commits.  The second, to reenable
> hypervisor debug, I decided to get some review on.

Please also bump the SONAMEs as it was done in commit
d337764d9b8e89eb9cb9d5be509823d9286f00c4 shortly after 4.7.0.

Olaf


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