linux-kernel - Re: [PATCH] selftests/bpf/test_maps: exit child process without error in ENOMEM case

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Message-ID: <20180214032820.jjedkz2z4bii4asz@ast-mbp.dhcp.thefacebook.com>
Date:   Tue, 13 Feb 2018 19:28:22 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Li Zhijian <lizhijian@...fujitsu.com>
Cc:     shuah@...nel.org, ast@...nel.org, daniel@...earbox.net,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Li Zhijian <zhijianx.li@...el.com>,
        Philip Li <philip.li@...el.com>
Subject: Re: [PATCH] selftests/bpf/test_maps: exit child process without
 error in ENOMEM case

On Mon, Feb 12, 2018 at 09:52:04PM +0800, Li Zhijian wrote:
> From: Li Zhijian <zhijianx.li@...el.com>
> 
> test_maps contains a series of stress tests, and previously it will break the
> reset tests when it failed to alloc memory.
> -----------------------
> Failed to create hashmap key=8 value=262144 'Cannot allocate memory'
> Failed to create hashmap key=16 value=262144 'Cannot allocate memory'
> Failed to create hashmap key=8 value=262144 'Cannot allocate memory'
> Failed to create hashmap key=8 value=262144 'Cannot allocate memory'
> test_maps: test_maps.c:955: run_parallel: Assertion `status == 0' failed.
> Aborted
> not ok 1..3 selftests:  test_maps [FAIL]
> -----------------------
> after this patch, the rest tests will be continue when it occurs a ENOMEM failure
> 
> CC: Alexei Starovoitov <alexei.starovoitov@...il.com>
> CC: Philip Li <philip.li@...el.com>
> Suggest-by: Daniel Borkmann <daniel@...earbox.net>
> Signed-off-by: Li Zhijian <zhijianx.li@...el.com>

could you please resend it and cc netdev so it appears in patchworks properly.

Thanks!