| commit | 13b9abfc92be7c4454bff912021b9f835dea6e15 | [log] [tgz] |
|---|---|---|
| author | Michael Kelley <mikelley@microsoft.com> | Thu May 18 10:46:07 2017 -0700 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Thu May 25 15:42:42 2017 +0200 |
| tree | 134b32b899c3684a7ebcef5c3a6d23784afe28b7 | |
| parent | 3110010896f17f381bd74d72b9d4a46a087c46b8 [diff] |
Drivers: hv: vmbus: Close timing hole that can corrupt per-cpu page Extend the disabling of preemption to include the hypercall so that another thread can't get the CPU and corrupt the per-cpu page used for hypercall arguments. Cc: <Stable@vger.kernel.org> #4.11 Signed-off-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>