Xen ignores all updates to cr4, and some versions will kill the domain if you try to change its value. Just ignore all changes.
Signed-off-by: Jeremy Fitzhardinge <[EMAIL PROTECTED]> Cc: Andi Kleen <[EMAIL PROTECTED]> --- arch/i386/xen/enlighten.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) =================================================================== --- a/arch/i386/xen/enlighten.c +++ b/arch/i386/xen/enlighten.c @@ -625,8 +625,8 @@ static unsigned long xen_read_cr2_direct static void xen_write_cr4(unsigned long cr4) { - /* never allow TSC to be disabled */ - native_write_cr4(cr4 & ~X86_CR4_TSD); + /* Just ignore cr4 changes; Xen doesn't allow us to do + anything anyway. */ } static unsigned long xen_read_cr3(void) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/