From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Tue, 20 Jul 2010 06:48:34 +0000 (+0200)
Subject: padata: Fix cpu index counting
X-Git-Tag: firefly_0821_release~9833^2~1303^2~11
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fad3a906d324c02b3c25ef51f702384154089846;p=firefly-linux-kernel-4.4.55.git

padata: Fix cpu index counting

The counting of the cpu index got lost with a recent commit.
This patch restores it. This fixes a hang of the parallel worker
threads on cpu hotplug.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/kernel/padata.c b/kernel/padata.c
index 526f9ea2fcc8..4287868bbe37 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -408,6 +408,7 @@ static void padata_init_pqueues(struct parallel_data *pd)
 		pqueue = per_cpu_ptr(pd->pqueue, cpu);
 		pqueue->pd = pd;
 		pqueue->cpu_index = cpu_index;
+		cpu_index++;
 
 		__padata_list_init(&pqueue->reorder);
 		__padata_list_init(&pqueue->parallel);