linux-kernel - Re: [2/2] conditionally reschedule in hashtab

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Message-ID: <3386355.fA7X58KLEY@sifl>
Date:	Thu, 15 May 2014 17:15:29 -0400
From:	Paul Moore <pmoore@...hat.com>
To:	Dave Jones <davej@...hat.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>, sds@...ho.nsa.gov,
	eparis@...hat.com
Subject: Re: [2/2] conditionally reschedule in hashtab_insert while loading selinux policy.

On Thursday, May 15, 2014 03:03:53 PM Dave Jones wrote:
> After silencing the sleeping warning in mls_convert_context() I started
> seeing similar traces from hashtab_insert. Do a cond_resched there too.
> 
> Signed-off-by: Dave Jones <davej@...hat.com>

Merged to the SELinux #next branch, thanks.

> diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c
> index 933e735bb185..2cc496149842 100644
> --- a/security/selinux/ss/hashtab.c
> +++ b/security/selinux/ss/hashtab.c
> @@ -6,6 +6,7 @@
>  #include <linux/kernel.h>
>  #include <linux/slab.h>
>  #include <linux/errno.h>
> +#include <linux/sched.h>
>  #include "hashtab.h"
> 
>  struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, const
> void *key), @@ -40,6 +41,8 @@ int hashtab_insert(struct hashtab *h, void
> *key, void *datum) u32 hvalue;
>  	struct hashtab_node *prev, *cur, *newnode;
> 
> +	cond_resched();
> +
>  	if (!h || h->nel == HASHTAB_MAX_NODES)
>  		return -EINVAL;

-- 
paul moore
security and virtualization @ redhat

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