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    i386: Allow KVM on i386 nonpae · 2d9ce177
    Avi Kivity 提交于
    Currently, CONFIG_X86_CMPXCHG64 both enables boot-time checking of
    the cmpxchg64b feature and enables compilation of the set_64bit() family.
    Since the option is dependent on PAE, and since KVM depends on set_64bit(),
    this effectively disables KVM on i386 nopae.
    
    Simplify by removing the config option altogether: the boot check is made
    dependent on CONFIG_X86_PAE directly, and the set_64bit() family is exposed
    without constraints.  It is up to users to check for the feature flag (KVM
    does not as virtualiation extensions imply its existence).
    Signed-off-by: NAvi Kivity <avi@qumranet.com>
    Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
    2d9ce177
defconfig 11.1 KB