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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>
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1 changed files with 2 additions and 1 deletions
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@ -13,6 +13,7 @@
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#include <linux/sched.h>
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#include <linux/errno.h>
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#include <linux/workqueue.h>
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#include <linux/time.h>
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#include <asm/lowcore.h>
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@ -363,7 +364,7 @@ s390_revalidate_registers(struct mci *mci)
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}
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#define MAX_IPD_COUNT 29
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#define MAX_IPD_TIME (5 * 60 * 100 * 1000) /* 5 minutes */
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#define MAX_IPD_TIME (5 * 60 * USEC_PER_SEC) /* 5 minutes */
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/*
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* machine check handler.
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