On 09/18/2009 09:14 PM, H. Peter Anvin wrote:
On 09/16/2009 05:45 AM, Avi Kivity wrote:
Add a general per-cpu notifier that is called whenever the kernel is
about to return to userspace. The notifier uses a thread_info flag
and existing checks, so there is no impact on user return or context
switch fast paths.
Signed-off-by: Avi Kivity<avi@xxxxxxxxxx>
The concept of this patch looks entirely sane, as does the code,
*except* for:
+#include<linux/user-return-notifier.h>
... missing header file, and ...
+obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
... missing source file.
Could you fix the patch, please?
Doh. Sent out fixed patch.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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