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Message-ID: <d6f031fa-f287-75e6-dee0-b94bd22bd32d@amazon.com>
Date: Mon, 20 Jun 2022 12:26:14 +0300
From: "Paraschiv, Andra-Irina" <andraprs@...zon.com>
To: David Gow <davidgow@...gle.com>,
Brendan Higgins <brendanhiggins@...gle.com>,
Luis Chamberlain <mcgrof@...nel.org>,
Jeremy Kerr <jk@...econstruct.com.au>,
Daniel Latypov <dlatypov@...gle.com>,
Shuah Khan <skhan@...uxfoundation.org>,
Andrew Jeffery <andrew@...id.au>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Longpeng <longpeng2@...wei.com>
CC: <kunit-dev@...glegroups.com>, <linux-kselftest@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Maíra Canal <maira.canal@....br>,
<linux-mmc@...r.kernel.org>, <linux-aspeed@...ts.ozlabs.org>,
<openbmc@...ts.ozlabs.org>, <linux-usb@...r.kernel.org>,
<linux-modules@...r.kernel.org>,
Matt Johnston <matt@...econstruct.com.au>
Subject: Re: [PATCH 4/5] nitro_enclaves: test: Use kunit_test_suite() macro
On 18.06.2022 12:03, David Gow wrote:
>
> The kunit_test_suite() macro previously conflicted with module_init,
> making it unsuitable for use in the nitro_enclaves test. Now that it's
> fixed, we can use it instead of a custom call into internal KUnit
> functions to run the test.
>
> As a side-effect, this means that the test results are properly included
> with other suites when built-in. To celebrate, enable the test by
> default when KUNIT_ALL_TESTS is set (and NITRO_ENCLAVES enabled).
>
> The nitro_enclave tests can now be run via kunit_tool with:
> ./tools/testing/kunit/kunit.py run --arch=x86_64 \
> --kconfig_add CONFIG_PCI=y --kconfig_add CONFIG_SMP=y \
> --kconfig_add CONFIG_HOTPLUG_CPU=y \
> --kconfig_add CONFIG_VIRT_DRIVERS=y \
> --kconfig_add CONFIG_NITRO_ENCLAVES=y \
> 'ne_misc_dev_test'
>
> (This is a pretty long command, so it may be worth adding a .kunitconfig
> file at some point, instead.)
>
> Signed-off-by: David Gow <davidgow@...gle.com>
Thank you, David, for the KUnit update and for this patch.
> ---
> drivers/thunderbolt/Kconfig | 5 ++--
> drivers/virt/nitro_enclaves/Kconfig | 5 ++--
> drivers/virt/nitro_enclaves/ne_misc_dev.c | 27 -------------------
> .../virt/nitro_enclaves/ne_misc_dev_test.c | 5 +---
> 4 files changed, 7 insertions(+), 35 deletions(-)
>
> diff --git a/drivers/thunderbolt/Kconfig b/drivers/thunderbolt/Kconfig
> index 4bfec8a28064..2a063d344b94 100644
> --- a/drivers/thunderbolt/Kconfig
> +++ b/drivers/thunderbolt/Kconfig
> @@ -28,8 +28,9 @@ config USB4_DEBUGFS_WRITE
> this for production systems or distro kernels.
>
> config USB4_KUNIT_TEST
> - bool "KUnit tests"
> - depends on KUNIT=y
> + bool "KUnit tests" if !KUNIT_ALL_TESTS
> + depends on KUNIT
> + default KUNIT_ALL_TESTS
>
> config USB4_DMA_TEST
> tristate "DMA traffic test driver"
This needs to be included in the previous patch instead (patch 3/5, for
thunderbolt).
> diff --git a/drivers/virt/nitro_enclaves/Kconfig b/drivers/virt/nitro_enclaves/Kconfig
> index 2d3d98158121..ce91add81401 100644
> --- a/drivers/virt/nitro_enclaves/Kconfig
> +++ b/drivers/virt/nitro_enclaves/Kconfig
> @@ -16,8 +16,9 @@ config NITRO_ENCLAVES
> The module will be called nitro_enclaves.
>
> config NITRO_ENCLAVES_MISC_DEV_TEST
> - bool "Tests for the misc device functionality of the Nitro Enclaves"
> - depends on NITRO_ENCLAVES && KUNIT=y
> + bool "Tests for the misc device functionality of the Nitro Enclaves" if !KUNIT_ALL_TESTS
> + depends on NITRO_ENCLAVES && KUNIT
> + default KUNIT_ALL_TESTS
> help
> Enable KUnit tests for the misc device functionality of the Nitro
> Enclaves. Select this option only if you will boot the kernel for
> diff --git a/drivers/virt/nitro_enclaves/ne_misc_dev.c b/drivers/virt/nitro_enclaves/ne_misc_dev.c
> index 20c881b6a4b6..241b94f62e56 100644
> --- a/drivers/virt/nitro_enclaves/ne_misc_dev.c
> +++ b/drivers/virt/nitro_enclaves/ne_misc_dev.c
> @@ -1759,35 +1759,10 @@ static long ne_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
>
> #if defined(CONFIG_NITRO_ENCLAVES_MISC_DEV_TEST)
> #include "ne_misc_dev_test.c"
> -
> -static inline int ne_misc_dev_test_init(void)
> -{
> - return __kunit_test_suites_init(ne_misc_dev_test_suites);
> -}
> -
> -static inline void ne_misc_dev_test_exit(void)
> -{
> - __kunit_test_suites_exit(ne_misc_dev_test_suites);
> -}
> -#else
> -static inline int ne_misc_dev_test_init(void)
> -{
> - return 0;
> -}
> -
> -static inline void ne_misc_dev_test_exit(void)
> -{
> -}
> #endif
>
> static int __init ne_init(void)
> {
> - int rc = 0;
> -
> - rc = ne_misc_dev_test_init();
> - if (rc < 0)
> - return rc;
> -
> mutex_init(&ne_cpu_pool.mutex);
>
> return pci_register_driver(&ne_pci_driver);
> @@ -1798,8 +1773,6 @@ static void __exit ne_exit(void)
> pci_unregister_driver(&ne_pci_driver);
>
> ne_teardown_cpu_pool();
> -
> - ne_misc_dev_test_exit();
> }
>
> module_init(ne_init);
> diff --git a/drivers/virt/nitro_enclaves/ne_misc_dev_test.c b/drivers/virt/nitro_enclaves/ne_misc_dev_test.c
> index 265797bed0ea..74df43b925be 100644
> --- a/drivers/virt/nitro_enclaves/ne_misc_dev_test.c
> +++ b/drivers/virt/nitro_enclaves/ne_misc_dev_test.c
> @@ -151,7 +151,4 @@ static struct kunit_suite ne_misc_dev_test_suite = {
> .test_cases = ne_misc_dev_test_cases,
> };
>
> -static struct kunit_suite *ne_misc_dev_test_suites[] = {
> - &ne_misc_dev_test_suite,
> - NULL
> -};
> +kunit_test_suite(ne_misc_dev_test_suite);
> --
> 2.36.1.476.g0c4daa206d-goog
>
Other than that, looks good to me.
Thank you.
Andra
Amazon Development Center (Romania) S.R.L. registered office: 27A Sf. Lazar Street, UBC5, floor 2, Iasi, Iasi County, 700045, Romania. Registered in Romania. Registration number J22/2621/2005.
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