Commit e617fce6 authored by Hidetoshi Seto's avatar Hidetoshi Seto Committed by Tony Luck

[IA64] bugfix: nptcg breaks cpu-hotadd

If "max_purges" from PAL is 0, it actually means 1.

However it was not handled later when a hot-added cpu pass the
max_purges from PAL.  This makes systems easy to go BUG_ON().
Signed-off-by: default avatarHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 7663c1e2
......@@ -168,7 +168,10 @@ setup_ptcg_sem(int max_purges, int nptcg_from)
static int firstcpu = 1;
if (toolatetochangeptcgsem) {
BUG_ON(max_purges < nptcg);
if (nptcg_from == NPTCG_FROM_PAL && max_purges == 0)
BUG_ON(1 < nptcg);
else
BUG_ON(max_purges < nptcg);
return;
}
......
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