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Re: [Xen-devel] [PATCH] create kernel symlinks in /boot

To: Paul Larson <plars@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] create kernel symlinks in /boot
From: Felipe Alfaro Solana <lkml@xxxxxxx>
Date: Fri, 21 Jan 2005 00:06:28 +0100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
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On 20 Jan 2005, at 22:56, Paul Larson wrote:

Minor patch, but useful to me at least.  I really find it convenient to
have a symbolic link to the latest xen kernel I've built/installed for
testing purposes. When the kernel went from 2.6.9 -> 2.6.10 recently, I hit all kind of strange problems until I realized that I was booting the
new xen stuff with an old kernel.

This might also come in handy if someone were inclined to make
install.sh smarter so that it modifies grub. The patch was made against
xen-2.0-testing but should apply ok to all the trees.

--
Thanks,
Paul Larson
plars@xxxxxxxxxxxxxxxxxxxx
http://www.linuxtestproject.org

diff -Nru a/buildconfigs/mk.linux-2.6-xen0 b/buildconfigs/mk.linux-2.6-xen0
--- a/buildconfigs/mk.linux-2.6-xen0    2005-01-20 15:48:20 -06:00
+++ b/buildconfigs/mk.linux-2.6-xen0    2005-01-20 15:48:20 -06:00
@@ -18,6 +18,8 @@
$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_MOD_PATH=$(INSTALL_DIR) modules_install ; \
        fi
        $(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_PATH=$(INSTALL_DIR) install
+       ln -s /boot/vmlinuz-$(FULLVERSION) \
+           $(INSTALL_DIR)/boot/vmlinuz-$(EXTRAVERSION)

 $(LINUX_DIR)/include/linux/autoconf.h: pristine-linux-$(LINUX_VER)
        rm -rf $(LINUX_DIR)
diff -Nru a/buildconfigs/mk.linux-2.6-xenU b/buildconfigs/mk.linux-2.6-xenU
--- a/buildconfigs/mk.linux-2.6-xenU    2005-01-20 15:48:20 -06:00
+++ b/buildconfigs/mk.linux-2.6-xenU    2005-01-20 15:48:20 -06:00
@@ -18,6 +18,8 @@
$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_MOD_PATH=$(INSTALL_DIR) modules_install ; \
        fi
        $(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_PATH=$(INSTALL_DIR) install
+       ln -s /boot/vmlinuz-$(FULLVERSION) \
+           $(INSTALL_DIR)/boot/vmlinuz-$(EXTRAVERSION)

 $(LINUX_DIR)/include/linux/autoconf.h: pristine-linux-$(LINUX_VER)
        rm -rf $(LINUX_DIR)


I think this won't work if /boot is mounted in a separate partition. AFAIK, GRUB isn't able to follow symlinks across different filesystems.



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