Re: [2.1.90 patch] SMP sys_idle() user level hang

Andrea Arcangeli (arcangeli@mbox.queen.it)
Wed, 25 Mar 1998 16:39:19 +0100 (CET)


On Wed, 25 Mar 1998, Alexander Kjeldaas wrote:

>If you want to check whether the process is kernel or userland, it is
>probably better to compare current->mm to &init_mm since kernel
>threads don't have pid == 0.

The current->pid test should be enaugh since sys_idle should be not useful
for them (it goes the process to sleep forever). If I am wrong we must
change the 2.1.90 not SMP and the two SMP/UP 2.0.33 version too.

Andrea[s] Arcangeli

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