[Xen-devel] Re: [PATCH] Hypercall continuation cancelation in compat mode for XENMEM_get/set_pod_target.

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 10.11.11 at 18:17, Jean Guyader <jean.guyader@xxxxxxxxxxxxx> wrote:

> If copy_to_guest failed in the compat code after a continuation as been
> done in the native code we need to cancel it so we won't reexecute the
> hypercall but return from the hypercall with the appropriate error.
> 
> Signed-off-by: Jean Guyader <jean.guyader@xxxxxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

(But I'd like to be certain that Keir also took a look at this before
committing, not the least because this also should go into 4.1-testing.)

> ---
>  xen/arch/x86/domain.c           |   18 ++++++++++++++++++
>  xen/arch/x86/x86_64/compat/mm.c |    4 ++++
>  xen/include/xen/sched.h         |    1 +
>  3 files changed, 23 insertions(+), 0 deletions(-)




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