From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Arnon Warshavsky <arnon@qwilt.com>,
thomas@monjalon.net, 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 v3 00/13] eal: replace calls to rte_panic and refrain from new instances
Date: Mon, 16 Apr 2018 12:22:56 +0100 [thread overview]
Message-ID: <acd66d43-839b-6879-1ad4-4d07b1023d9d@intel.com> (raw)
In-Reply-To: <1523644244-17511-1-git-send-email-arnon@qwilt.com>
On 13-Apr-18 7:30 PM, Arnon Warshavsky wrote:
> The purpose of this patch series is to cleanup the library code
> from paths that end up aborting the process,
> and move to checking error values, in order to allow the running process
> perform an orderly teardown or other mitigation of the event.
>
> This patch modifies the majority of rte_panic calls
> under lib and drivers, and replaces them with a log message
> and an error return code according to context,
> that can be propagated up the call stack.
>
> - Focus was given to the dpdk initialization path
> - Some of the panic calls within drivers were left in place where
> the call is from within an interrupt or calls that are
> on the data path,where there is no simple applicative
> route to propagate the error to temination.
> These should be handled by the driver maintainers.
> - In order to avoid breaking ABI where panic was called from public
> void functions, a panic state variable was introduced so that
> it can be queried after calling these void functions.
> This tool place for a single function call.
> - local void functions with no api were changed to retrun a value
> where needed
> - No change took place in example and test files
> - No change took place for debug assertions calling panic
> - A new function was added to devtools/checkpatches.sh
> in order to prevent new additions of calls to rte_panic
> under lib and drivers.
>
> Keep calm and don't panic
>
> ---
>
> v2:
> - reformat error messages so that literal string are in the same line
> - fix typo in commit message
> - add new return code to doxigen of rte_memzone_free()
>
> v3:
> - submit all 13 patches changed and unchanged in the same patchset
>
This patchset needs to be rebased. There were a few changes that make
some of the patches unnecessary.
Changes in patch 7 and 9 were addressed in earlier memory hotplug
patchset, and are no longer applicable. Some things may have changed for
patch 12 as well.
--
Thanks,
Anatoly
next prev parent reply other threads:[~2018-04-16 11:23 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-13 18:30 Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 01/13] crypto: replace rte_panic instances in crypto driver Arnon Warshavsky
2018-04-16 11:49 ` Neil Horman
2018-04-16 14:24 ` Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 02/13] bond: replace rte_panic instances in bonding driver Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 03/13] e1000: replace rte_panic instances in e1000 driver Arnon Warshavsky
2018-04-16 15:34 ` Stephen Hemminger
2018-04-16 16:19 ` Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 04/13] ixgbe: replace rte_panic instances in ixgbe driver Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 05/13] eal: replace rte_panic instances in eventdev Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 06/13] kni: replace rte_panic instances in kni Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 07/13] eal: replace rte_panic instances in rte_malloc Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 08/13] eal: replace rte_panic instances in hugepage_info Arnon Warshavsky
2018-04-16 11:30 ` Burakov, Anatoly
2018-04-16 14:45 ` Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 09/13] eal: replace rte_panic instances in common_memzone Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 10/13] eal: replace rte_panic instances in interrupts thread Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 11/13] eal: replace rte_panic instances in ethdev Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 12/13] eal: replace rte_panic instances in init sequence Arnon Warshavsky
2018-04-13 18:30 ` [dpdk-dev] [PATCH v3 13/13] devtools: prevent new instances of rte_panic and rte_exit Arnon Warshavsky
2018-04-16 11:22 ` Burakov, Anatoly [this message]
2018-04-16 13:43 ` [dpdk-dev] [PATCH v3 00/13] eal: replace calls to rte_panic and refrain from new instances Arnon Warshavsky
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