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[Xen-devel] [PATCH] Hypercall continuation cancelation in compat mode fo
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| Subject: | [Xen-devel] [PATCH] Hypercall continuation cancelation in compat mode for XENMEM_get/set_pod_target. |
| From: | Jean Guyader <jean.guyader@xxxxxxxxxxxxx> |
| Date: | Thu, 10 Nov 2011 17:17:43 +0000 |
| Cc: | Jean Guyader <jean.guyader@xxxxxxxxxxxxx>, JBeulich@xxxxxxxx |
| Delivery-date: | Thu, 10 Nov 2011 09:29:25 -0800 |
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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> --- 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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