On 11/02/2009 06:18 PM, Gleb Natapov wrote:
+#define KVM_PV_SHM_VERSION 1
versions = bad, feature bits = good
I have both! Do you want me to drop version?
Yes. Once a kernel is released you can't realistically change the version.
Some documentation for this?
Also, the name should reflect the pv pagefault use. For other uses
we can register other areas.
I wanted it to be generic, but I am fine with making it apf specific.
It will allow to make it smaller too.
Maybe we can squeeze it into the page-fault error code?
would solve this. I prefer using put_user() though than a permanent
get_user_pages().
I want to prevent it from been swapped out.
Since you don't prevent the page fault handler or code from being
swapped out, you don't get anything out of it.
--
Do not meddle in the internals of kernels, for they are subtle and quick to
panic.
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