Re: [PATCH] powerpc/xive: Fix loop exit-condition in xive_find_target_in_mask()

On Wed, 2019-07-17 at 10:35:24 UTC, "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > xive_find_target_in_mask() has the following for(;;) loop which has a > bug when @first == cpumask_first(@mask) and condition 1 fails to hold > for every CPU in @mask. In this case we loop forever in th

[PATCH] powerpc/xive: Fix loop exit-condition in xive_find_target_in_mask()

From: "Gautham R. Shenoy" xive_find_target_in_mask() has the following for(;;) loop which has a bug when @first == cpumask_first(@mask) and condition 1 fails to hold for every CPU in @mask. In this case we loop forever in the for-loop. first = cpu; for (;;) { if (cpu_online(cpu) &&