On 02/05/2015 11:14 AM, David Vrabel wrote:
On 05/02/15 16:11, Boris Ostrovsky wrote:
On 02/05/2015 07:41 AM, David Vrabel wrote:
+
+void xen_maybe_preempt_hcall(void)
+{
+ if (__this_cpu_read(xen_in_preemptible_hcall)) {
Can you check should_resched() here?
_cond_resched() already does this.
Right, you'd be checking it twice, but since in most cases you won't
need to reschedule you will then avoid making unnecessary call (and
per-cpu updates).
-boris
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