Commit 022e4fc0 authored by Heiko Carstens's avatar Heiko Carstens Committed by Linus Torvalds

[PATCH] s390: fix ipd handling

As pointed out by Paulo Marques <pmarques@grupopie.com> MAX_IPD_TIME is by
a factor of ten too small.  Since this means that we allow ten times more
IPDs in the intended time frame this could result in a cpu check stop of a
physical cpu.

Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8261aa60
......@@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/workqueue.h>
#include <linux/time.h>
#include <asm/lowcore.h>
......@@ -363,7 +364,7 @@ s390_revalidate_registers(struct mci *mci)
}
#define MAX_IPD_COUNT 29
#define MAX_IPD_TIME (5 * 60 * 100 * 1000) /* 5 minutes */
#define MAX_IPD_TIME (5 * 60 * USEC_PER_SEC) /* 5 minutes */
/*
* machine check handler.
......
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