The second page is only needed on archs that support pio. Noted by Carsten Otte.
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]> --- virt/kvm/kvm_main.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 121e65c..7972e3a 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1061,7 +1061,10 @@ static long kvm_dev_ioctl(struct file *filp, r = -EINVAL; if (arg) goto out; - r = 2 * PAGE_SIZE; + r = PAGE_SIZE; /* struct kvm_run */ +#ifdef CONFIG_X86 + r += PAGE_SIZE; /* pio data page */ +#endif break; default: return kvm_arch_dev_ioctl(filp, ioctl, arg); -- 1.5.4.5 ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel