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From: Kevin Traynor <ktraynor@redhat.com>
To: Arnon Warshavsky <arnon@qwilt.com>,
	thomas@monjalon.net, anatoly.burakov@intel.com,
	wenzhuo.lu@intel.com, declan.doherty@intel.com,
	jerin.jacob@caviumnetworks.com, bruce.richardson@intel.com,
	ferruh.yigit@intel.com
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v4 07/11] eal: replace rte_panic instances in hugepage_info
Date: Thu, 19 Apr 2018 15:36:03 +0100	[thread overview]
Message-ID: <f7445179-b556-b236-7b32-ff2660d9823d@redhat.com> (raw)
In-Reply-To: <1524117669-25729-8-git-send-email-arnon@qwilt.com>

On 04/19/2018 07:01 AM, Arnon Warshavsky wrote:
> replace panic calls with log and retrun value.
> 
> v4
> static size calculation function changed to return success/fail code
> in addition to filling  the size result.
> 

fyi - this patch doesn't apply on master branch without fuzz

> Signed-off-by: Arnon Warshavsky <arnon@qwilt.com>
> ---
>  lib/librte_eal/linuxapp/eal/eal_hugepage_info.c | 32 ++++++++++++++++---------
>  1 file changed, 21 insertions(+), 11 deletions(-)
> 
> diff --git a/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c b/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
> index fb4b667..debae32 100644
> --- a/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
> +++ b/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
> @@ -145,8 +145,8 @@
>  	return num_pages;
>  }
>  
> -static uint64_t
> -get_default_hp_size(void)
> +static int
> +get_default_hp_size(uint64_t *result)
>  {
>  	const char proc_meminfo[] = "/proc/meminfo";
>  	const char str_hugepagesz[] = "Hugepagesize:";
> @@ -155,8 +155,11 @@
>  	unsigned long long size = 0;
>  
>  	FILE *fd = fopen(proc_meminfo, "r");
> -	if (fd == NULL)
> -		rte_panic("Cannot open %s\n", proc_meminfo);
> +	if (fd == NULL) {
> +		RTE_LOG(CRIT, EAL, "%s(): Cannot open %s\n",
> +				__func__, proc_meminfo);
> +		return -1;
> +	}
>  	while(fgets(buffer, sizeof(buffer), fd)){
>  		if (strncmp(buffer, str_hugepagesz, hugepagesz_len) == 0){
>  			size = rte_str_to_size(&buffer[hugepagesz_len]);
> @@ -164,9 +167,13 @@
>  		}
>  	}
>  	fclose(fd);
> -	if (size == 0)
> -		rte_panic("Cannot get default hugepage size from %s\n", proc_meminfo);
> -	return size;
> +	if (size == 0) {
> +		RTE_LOG(CRIT, EAL, "%s(): Cannot get default hugepage size from %s\n",
> +						 __func__, proc_meminfo);
> +		return -1;
> +	}
> +	*result = size;
> +	return 0;
>  }
>  
>  static const char *
> @@ -191,11 +198,14 @@
>  	char *retval = NULL;
>  
>  	FILE *fd = fopen(proc_mounts, "r");
> -	if (fd == NULL)
> -		rte_panic("Cannot open %s\n", proc_mounts);
> +	if (fd == NULL) {
> +		RTE_LOG(CRIT, EAL, "%s(): Cannot open %s\n",
> +				__func__, proc_mounts);
> +		return NULL;
> +	}
>  
> -	if (default_size == 0)
> -		default_size = get_default_hp_size();
> +	if ((default_size == 0) && (get_default_hp_size(&default_size) != 0))
> +		return NULL;
>  
>  	while (fgets(buf, sizeof(buf), fd)){
>  		if (rte_strsplit(buf, sizeof(buf), splitstr, _FIELDNAME_MAX,
> 

  parent reply	other threads:[~2018-04-19 14:36 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-19  6:00 [dpdk-dev] [PATCH v4 00/11] eal: replace calls to rte_panic and refrain from new instances Arnon Warshavsky
2018-04-19  6:00 ` [dpdk-dev] [PATCH v4 01/11] crypto: replace rte_panic instances in crypto driver Arnon Warshavsky
2018-04-19 10:53   ` Trahe, Fiona
2018-04-19 13:49     ` Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 02/11] bond: replace rte_panic instances in bonding driver Arnon Warshavsky
2018-04-19 17:25   ` Kevin Traynor
2018-04-20 13:13     ` Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 03/11] e1000: replace rte_panic instances in e1000 driver Arnon Warshavsky
2018-04-19 17:25   ` Kevin Traynor
2018-04-20 13:14     ` Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 04/11] ixgbe: replace rte_panic instances in ixgbe driver Arnon Warshavsky
2018-04-19 17:26   ` Kevin Traynor
2018-04-20 13:16     ` Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 05/11] eal: replace rte_panic instances in eventdev Arnon Warshavsky
2018-04-19 17:26   ` Kevin Traynor
2018-04-20 13:17     ` Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 06/11] kni: replace rte_panic instances in kni Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 07/11] eal: replace rte_panic instances in hugepage_info Arnon Warshavsky
2018-04-19 14:03   ` Burakov, Anatoly
2018-04-19 14:09     ` Arnon Warshavsky
2018-04-19 14:45       ` Burakov, Anatoly
2018-04-19 14:50         ` Burakov, Anatoly
2018-04-20 13:11           ` Arnon Warshavsky
2018-04-19 14:36   ` Kevin Traynor [this message]
2018-04-20 13:12     ` Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 08/11] eal: replace rte_panic instances in interrupts thread Arnon Warshavsky
2018-04-19 17:27   ` Kevin Traynor
2018-04-20 13:18     ` Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 09/11] eal: replace rte_panic instances in ethdev Arnon Warshavsky
2018-04-19 17:27   ` Kevin Traynor
2018-04-20 13:23     ` Arnon Warshavsky
2018-04-20 13:56       ` Thomas Monjalon
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 10/11] eal: replace rte_panic instances in init sequence Arnon Warshavsky
2018-04-19 14:39   ` Burakov, Anatoly
2018-04-19 14:48     ` Arnon Warshavsky
2018-04-19 14:57       ` Burakov, Anatoly
2018-04-19 17:31         ` Kevin Traynor
2018-04-20 13:32           ` Arnon Warshavsky
2018-04-20 13:31         ` Arnon Warshavsky
2018-04-19 17:48   ` Aaron Conole
2018-04-20 13:55     ` Arnon Warshavsky
2018-04-20 14:53       ` Aaron Conole
2018-04-23  8:07         ` Arnon Warshavsky
2018-04-19  6:01 ` [dpdk-dev] [PATCH v4 11/11] devtools: prevent new instances of rte_panic and rte_exit Arnon Warshavsky
2018-04-19 17:52   ` Aaron Conole
2018-04-20 14:01     ` Arnon Warshavsky
2018-04-20 15:41       ` Burakov, Anatoly

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