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[xen staging] stubdom: disable building pv-grub

commit 3ae80dea4601764818d1e5b84bd1e4479c0d4790
Author:     Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Fri Sep 10 07:55:17 2021 +0200
Commit:     Ian Jackson <iwj@xxxxxxxxxxxxxx>
CommitDate: Mon Oct 18 14:28:46 2021 +0100

    stubdom: disable building pv-grub
    The stubdom based pv-grub is using a very outdated version of grub
    (0.97) and should not be used any longer. Mainline grub has support for
    PV guests for a long time now, so that should be used as a boot loader
    of a PV domain.
    So disable building pv-grub per default. In case someone really wants
    to continue using it he/she can still use a pv-grub binary from an older
    Xen version or manually enable building it via:
      configure --enable-pv-grub
    [ This was already disabled in osstest by 8dee6e333622
      "make-flight: Drop pvgrub (pvgrub1) tests" -iwj ]
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
    Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
    Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
 CHANGELOG.md         | 2 ++
 stubdom/configure    | 8 ++------
 stubdom/configure.ac | 2 +-
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22cfdb4298..e7107ac3de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,8 @@ The format is based on [Keep a 
    appearing in 4.12.2 and 4.11.4). Prior (4.13...4.15-like) behavior can be 
arranged for
    either by enabling the IOMMU_QUARANTINE_SCRATCH_PAGE setting at build 
(configuration) time
    or by passing "iommu=quarantine=scratch-page" on the hypervisor command 
+ - pv-grub stubdoms will no longer be built per default. In order to be able 
to use pv-grub
+   configure needs to be called with "--enable-pv-grub" as parameter.
 ## [4.15.0 
 - TBD
diff --git a/stubdom/configure b/stubdom/configure
index aa48df986d..df31532abb 100755
--- a/stubdom/configure
+++ b/stubdom/configure
@@ -1342,7 +1342,7 @@ Optional Features:
   --enable-ioemu-stubdom  Build and install ioemu-stubdom
   --enable-c-stubdom      Build and install c-stubdom (default is DISABLED)
   --enable-caml-stubdom   Build and install caml-stubdom (default is DISABLED)
-  --disable-pv-grub       Build and install pv-grub (default is ENABLED)
+  --enable-pv-grub        Build and install pv-grub (default is DISABLED)
                           Build and install xenstore-stubdom (default is
@@ -2129,11 +2129,7 @@ fi
diff --git a/stubdom/configure.ac b/stubdom/configure.ac
index bd6f765929..a07a1edae5 100644
--- a/stubdom/configure.ac
+++ b/stubdom/configure.ac
@@ -21,7 +21,7 @@ m4_include([../m4/fetcher.m4])
 AX_STUBDOM_CONDITIONAL([ioemu-stubdom], [ioemu])
 AX_STUBDOM_DEFAULT_DISABLE([caml-stubdom], [caml])
-AX_STUBDOM_DEFAULT_ENABLE([pv-grub], [grub])
+AX_STUBDOM_DEFAULT_DISABLE([pv-grub], [grub])
 AX_STUBDOM_DEFAULT_ENABLE([xenstore-stubdom], [xenstore])
 AX_STUBDOM_DEFAULT_ENABLE([xenstorepvh-stubdom], [xenstorepvh])
 AX_STUBDOM_CONDITIONAL([vtpm-stubdom], [vtpm])
generated by git-patchbot for /home/xen/git/xen.git#staging



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