On 04/28/2010 05:56 AM, Huang Ying wrote:
Just want to use the side effect of copy_from_user, SIGBUS will be sent
to current process because the page touched is marked as poisoned. That
is, failure is expected, so the return value is not checked.
What if the failure doesn't
On Wed, 2010-04-28 at 17:47 +0800, Avi Kivity wrote:
On 04/28/2010 05:56 AM, Huang Ying wrote:
Just want to use the side effect of copy_from_user, SIGBUS will be sent
to current process because the page touched is marked as poisoned. That
is, failure is expected, so the return value
On Tue, 2010-04-27 at 15:47 +0800, Avi Kivity wrote:
(please copy kvm@vger.kernel.org on kvm patches)
Sorry, will do that for all future patches.
On 04/27/2010 10:04 AM, Huang Ying wrote:
+static void kvm_send_hwpoison_signal(struct kvm *kvm, gfn_t gfn)
+{
+ char buf[1];
+ void
On 04/27/2010 12:25 PM, Huang Ying wrote:
On 04/27/2010 10:04 AM, Huang Ying wrote:
+static void kvm_send_hwpoison_signal(struct kvm *kvm, gfn_t gfn)
+{
+ char buf[1];
+ void __user *hva;
+ int r;
+
+ /* Touch the page, so send SIGBUS */
+ hva = (void
On Tue, 2010-04-27 at 17:30 +0800, Avi Kivity wrote:
On 04/27/2010 12:25 PM, Huang Ying wrote:
On 04/27/2010 10:04 AM, Huang Ying wrote:
+static void kvm_send_hwpoison_signal(struct kvm *kvm, gfn_t gfn)
+{
+ char buf[1];
+ void __user *hva;
+ int r;
+
+ /* Touch the
