Module: xenomai-2.6
Branch: master
Commit: 9ecabb2ed36e15c9315f5afbf496fc3e45c813a3
URL:
http://git.xenomai.org/?p=xenomai-2.6.git;a=commit;h=9ecabb2ed36e15c9315f5afbf496fc3e45c813a3
Author: Philippe Gerum <r...@xenomai.org>
Date: Sun Dec 23 21:04:16 2012 +0100
x86: force noxsave at boot
Since we don't handle the extended processor state yet, we disable
xsave/xrstor to keep a correct behavior.
---
include/asm-x86/ipipe/setup.h | 5 ++++-
scripts/prepare-kernel.sh | 3 ++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/include/asm-x86/ipipe/setup.h b/include/asm-x86/ipipe/setup.h
index 144300b..231aa6b 100644
--- a/include/asm-x86/ipipe/setup.h
+++ b/include/asm-x86/ipipe/setup.h
@@ -4,7 +4,10 @@
#include <asm/processor.h>
#ifdef cpu_has_xsave
-
+/*
+ * We don't handle the extended processor state yet. Disable
+ * xsave/xrstor to keep a correct behavior.
+ */
static inline void __ipipe_early_client_setup(void)
{
setup_clear_cpu_cap(X86_FEATURE_XSAVE);
diff --git a/scripts/prepare-kernel.sh b/scripts/prepare-kernel.sh
index f617634..36f9a4a 100755
--- a/scripts/prepare-kernel.sh
+++ b/scripts/prepare-kernel.sh
@@ -601,7 +601,8 @@ for d in include/* ; do
patch_link r n $d $destdir
fi
done
-if test -r $linux_tree/arch/$linux_arch/include/asm/ipipe.h
+if test -r $linux_tree/arch/$linux_arch/include/asm/ipipe.h -a \
+ -d $xenomai_root/include/asm-$xenomai_arch/ipipe
then
patch_link n n include/asm-$xenomai_arch/ipipe
arch/$linux_arch/include/ipipe
fi
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