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[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: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens 2006-05-01 12:16:14 -07:00 committed by Linus Torvalds
parent 8261aa6009
commit 022e4fc0fb
1 changed files with 2 additions and 1 deletions
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3
drivers/s390/s390mach.c
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@ -13,6 +13,7 @@
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/errno.h> #include <linux/errno.h>
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <linux/time.h>
#include <asm/lowcore.h> #include <asm/lowcore.h>
@ -363,7 +364,7 @@ s390_revalidate_registers(struct mci *mci)
} }
#define MAX_IPD_COUNT 29 #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. * machine check handler.