linux-kernel - Re: [PATCH net-next v1 12/12] test/vsock: io

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Message-ID: <708be048-862f-76ee-6671-16b54e72e5a8@salutedevices.com>
Date:   Tue, 26 Sep 2023 23:00:19 +0300
From:   Arseniy Krasnov <avkrasnov@...utedevices.com>
To:     Stefano Garzarella <sgarzare@...hat.com>
CC:     Stefan Hajnoczi <stefanha@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Bobby Eshleman <bobby.eshleman@...edance.com>,
        <kvm@...r.kernel.org>, <virtualization@...ts.linux-foundation.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel@...rdevices.ru>, <oxffffaa@...il.com>
Subject: Re: [PATCH net-next v1 12/12] test/vsock: io_uring rx/tx tests



On 26.09.2023 16:04, Stefano Garzarella wrote:
> On Fri, Sep 22, 2023 at 08:24:28AM +0300, Arseniy Krasnov wrote:
>> This adds set of tests which use io_uring for rx/tx. This test suite is
>> implemented as separated util like 'vsock_test' and has the same set of
>> input arguments as 'vsock_test'. These tests only cover cases of data
>> transmission (no connect/bind/accept etc).
>>
>> Signed-off-by: Arseniy Krasnov <avkrasnov@...utedevices.com>
>> ---
>> Changelog:
>> v5(big patchset) -> v1:
>>  * Use LDLIBS instead of LDFLAGS.
>>
>> tools/testing/vsock/Makefile           |   7 +-
>> tools/testing/vsock/vsock_uring_test.c | 321 +++++++++++++++++++++++++
>> 2 files changed, 327 insertions(+), 1 deletion(-)
>> create mode 100644 tools/testing/vsock/vsock_uring_test.c
>>
>> diff --git a/tools/testing/vsock/Makefile b/tools/testing/vsock/Makefile
>> index 1a26f60a596c..c84380bfc18d 100644
>> --- a/tools/testing/vsock/Makefile
>> +++ b/tools/testing/vsock/Makefile
>> @@ -1,12 +1,17 @@
>> # SPDX-License-Identifier: GPL-2.0-only
>> +ifeq ($(MAKECMDGOALS),vsock_uring_test)
>> +LDLIBS = -luring
>> +endif
>> +
> 
> This will fails if for example we call make with more targets,
> e.g. `make vsock_test vsock_uring_test`.
> 
> I'd suggest to use something like this:
> 
> --- a/tools/testing/vsock/Makefile
> +++ b/tools/testing/vsock/Makefile
> @@ -1,13 +1,11 @@
>  # SPDX-License-Identifier: GPL-2.0-only
> -ifeq ($(MAKECMDGOALS),vsock_uring_test)
> -LDLIBS = -luring
> -endif
> -
>  all: test vsock_perf
>  test: vsock_test vsock_diag_test
>  vsock_test: vsock_test.o vsock_test_zerocopy.o timeout.o control.o util.o
>  vsock_diag_test: vsock_diag_test.o timeout.o control.o util.o
>  vsock_perf: vsock_perf.o
> +
> +vsock_uring_test: LDLIBS = -luring
>  vsock_uring_test: control.o util.o vsock_uring_test.o timeout.o
> 
>  CFLAGS += -g -O2 -Werror -Wall -I. -I../../include -I../../../usr/include -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -D_GNU_SOURCE
> 
>> all: test vsock_perf
>> test: vsock_test vsock_diag_test
>> vsock_test: vsock_test.o vsock_test_zerocopy.o timeout.o control.o util.o
>> vsock_diag_test: vsock_diag_test.o timeout.o control.o util.o
>> vsock_perf: vsock_perf.o
>> +vsock_uring_test: control.o util.o vsock_uring_test.o timeout.o
> 
> Shoud we add this new test to the "test" target as well?

Ok, but in this case, this target will always depend on liburing.

Thanks, Arseniy

> 
> Stefano
>