From patchwork Tue Jan 28 07:19:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 208869 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=DKIMWL_WL_MED, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1BF00C35240 for ; Tue, 28 Jan 2020 07:20:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E513B24682 for ; Tue, 28 Jan 2020 07:20:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="vpzib0J5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726066AbgA1HUT (ORCPT ); Tue, 28 Jan 2020 02:20:19 -0500 Received: from mail-pf1-f201.google.com ([209.85.210.201]:57088 "EHLO mail-pf1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726032AbgA1HUS (ORCPT ); Tue, 28 Jan 2020 02:20:18 -0500 Received: by mail-pf1-f201.google.com with SMTP id r29so205109pfl.23 for ; Mon, 27 Jan 2020 23:20:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=XuQcSLVF/Hrh3GBoBCfa3f7wfs7J5i1pjasDMgobHXc=; b=vpzib0J5nj2DND1Cvoora+gxNlK5gAdhGn/MxnEv1DGxNvefQ3cALz+hejiSzvm/kz 0te1TfEliFbLVQvJUYznkMSGK01039LVFSB9r+iJV1l9dPo+gzbJMyOcH2mgZxmTyt70 Ylh5PypNoWdZcB1/mA8ew7tua/n8BZNZPi6l0sGOL4enKiRWfvbx0sjlCYm0qzRkNaUE JBTFAlidEjkqlvUrc46EMpV+Tyh7821f+lJa1cP65ZKovA0yreplcoZFc3eLrLoJTiDD DFfpjDOVoWz5jV5x2/D50lrKtfaFp6mPZAh7QuJTHBiTtuz0ZbzBY2L9w8zfbQIdnPl7 x44w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=XuQcSLVF/Hrh3GBoBCfa3f7wfs7J5i1pjasDMgobHXc=; b=g9qjLzY/rMcAPfhp0wbLYbhqVdhkNF1I58legZZ/0T1Cc2g/Gcp28kNDHHwzSM1Qwm pTNNyf5932Ys/naepsTW2Cpltbgaxmwn+bhCTb4qh2zRzuoVVdj6K+DRPiSCmPrgQ+V2 mdZ9F7Id7kyM0NmtNi9nn01Z+i9/Z8yb2j2KScVmz2tvBUJHu0hVFqgnHedy3EfQSz6V m1aGsgdrQHO0/P3G2Mvv1Y2y3b8HiTjO1B9RIfw11bfPOk0zP5AlKfAA8+61Kia91EtC fXULHlgTqBdiHEwXZ3QL57Lat7R5x3A8FGQS+ItGl9dgexPWa4qJfo6k2TH46CascjYn pRDQ== X-Gm-Message-State: APjAAAXYZdcGr/2pnaOt3FXbsUxpREXbZCZ2rWUU9YIUymeI07CiDqkh +3wrHfXeS/+mBQU/3ORk1Km1ujfgfe8+u3aYKTn5bA== X-Google-Smtp-Source: APXvYqxhr/v1PhdZEF/n7DR85NKPlp1nK8BnB+q0UXQhUtXxUX2SIyir4VRVLjV7DDEFnqw9g+ZcXkVv2G/Rzr1RlAuQdQ== X-Received: by 2002:a63:1119:: with SMTP id g25mr23427156pgl.359.1580196018089; Mon, 27 Jan 2020 23:20:18 -0800 (PST) Date: Mon, 27 Jan 2020 23:19:56 -0800 In-Reply-To: <20200128072002.79250-1-brendanhiggins@google.com> Message-Id: <20200128072002.79250-2-brendanhiggins@google.com> Mime-Version: 1.0 References: <20200128072002.79250-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.25.0.341.g760bfbb309-goog Subject: [PATCH v1 1/7] vmlinux.lds.h: add linker section for KUnit test suites From: Brendan Higgins To: jdike@addtoit.com, richard@nod.at, anton.ivanov@cambridgegreys.com, arnd@arndb.de, keescook@chromium.org, skhan@linuxfoundation.org, alan.maguire@oracle.com, yzaikin@google.com, davidgow@google.com, akpm@linux-foundation.org, rppt@linux.ibm.com, frowand.list@gmail.com Cc: gregkh@linuxfoundation.org, sboyd@kernel.org, logang@deltatee.com, mcgrof@kernel.org, knut.omang@oracle.com, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Brendan Higgins Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Add a linker section where KUnit can put references to its test suites. This patch is the first step in transitioning to dispatching all KUnit tests from a centralized executor rather than having each as its own separate late_initcall. Co-developed-by: Iurii Zaikin Signed-off-by: Iurii Zaikin Signed-off-by: Brendan Higgins Reviewed-by: Stephen Boyd --- include/asm-generic/vmlinux.lds.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index e00f41aa8ec4f..99a866f49cb3d 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -856,6 +856,13 @@ KEEP(*(.con_initcall.init)) \ __con_initcall_end = .; +/* Alignment must be consistent with (kunit_suite *) in include/kunit/test.h */ +#define KUNIT_TEST_SUITES \ + . = ALIGN(8); \ + __kunit_suites_start = .; \ + KEEP(*(.kunit_test_suites)) \ + __kunit_suites_end = .; + #ifdef CONFIG_BLK_DEV_INITRD #define INIT_RAM_FS \ . = ALIGN(4); \ @@ -1024,6 +1031,7 @@ INIT_CALLS \ CON_INITCALL \ INIT_RAM_FS \ + KUNIT_TEST_SUITES \ } #define BSS_SECTION(sbss_align, bss_align, stop_align) \ From patchwork Tue Jan 28 07:19:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 208872 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=DKIMWL_WL_MED, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3AA7C35240 for ; 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This patch is an early step in transitioning to dispatching all KUnit tests from a centralized executor rather than having each as its own separate late_initcall. Signed-off-by: Brendan Higgins Reviewed-by: Stephen Boyd --- arch/um/include/asm/common.lds.S | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/um/include/asm/common.lds.S b/arch/um/include/asm/common.lds.S index 7145ce6999822..eab9ceb450efd 100644 --- a/arch/um/include/asm/common.lds.S +++ b/arch/um/include/asm/common.lds.S @@ -52,6 +52,10 @@ CON_INITCALL } + .kunit_test_suites : { + KUNIT_TEST_SUITES + } + .exitcall : { __exitcall_begin = .; *(.exitcall.exit) From patchwork Tue Jan 28 07:19:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 208870 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=DKIMWL_WL_MED, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E37EEC33CB3 for ; Tue, 28 Jan 2020 07:20:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B57F124682 for ; Tue, 28 Jan 2020 07:20:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="hIhlGtjL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726205AbgA1HU2 (ORCPT ); Tue, 28 Jan 2020 02:20:28 -0500 Received: from mail-qt1-f201.google.com ([209.85.160.201]:53315 "EHLO mail-qt1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726097AbgA1HU0 (ORCPT ); Tue, 28 Jan 2020 02:20:26 -0500 Received: by mail-qt1-f201.google.com with SMTP id m8so7920937qta.20 for ; Mon, 27 Jan 2020 23:20:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=4MjEglgwzQeYmQHEj7lVD/Q2s1JVUJ8kKFlc6FnNZt0=; b=hIhlGtjLGzw1SUt6Jw8C/K2HF2ecgfBO3NMmc4gRUVfjoFHBM4NiKRBnLRD2nyc6Tj mdWKOvijFU7VJ362/OXCxdB7zrDTl3GprOBtzyB/drE/LeQWfnCPkcr1TQ8NilYTEUU9 WFHk5H+QRn9Ln+War8nzP8jDodqFXT5aeCGz84nZ9AVByzxHK0kZdSen7KPpq/C60+s2 6JEDMiocGrIQwTYouQO/R2DEAtJYad5Q+mApL0OLG5Jww4JozmqfWCb4/LYTR7lM3kMC 7mQF5PmYLc017GRTgEOhNfK/HEuD8MoNOKvabILsxoZYKcPv3QHAUrwzFAuPjVP2tfTN RNQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=4MjEglgwzQeYmQHEj7lVD/Q2s1JVUJ8kKFlc6FnNZt0=; b=VMohy1tnMBOhGo/r7yHMAZZelTY5Jnh6tlUktRJqkp4bM/9s5mvlyXlb9FpOSew07D jW10EagVTSo/96H98IaW0MPE/8vGp2UW+4IGCEm6s0gOfIKNeeUzYTF4AFuWEwkYjeos fjDnCll+lS/SG6bHTZCFrzdRA6i+WbkL1oxbbCdk0NUtaw3c+gvtgOM4Aj8xXWoT3V/9 FyRJpGffTj8gQNzpp7eSNwiTLR//36hKSGlHWEsI4FE3VE1KfNgSku0xzo1M4AMYZZdX 4HzAwyuUCEA57FocM8Mct0a1LCRo07YKmxDNXa06jQ5hiWYxJwCsZhfVbxTogI/Idypa U5Jg== X-Gm-Message-State: APjAAAXRqpWdf5aPo8UQvoGQnlKFG0uB1fnAKGaHoTuHg3MzQTanXoRd veoqgPZ3aL9JhsPZoSZdWnuHIbVKzDsjM+NhA7omUg== X-Google-Smtp-Source: APXvYqxGcm6m1ET1DVlbjNLLOCIax2s4cEucHeJOXLwB5vmRbR5b7p9xrmal0f4br+4TUTmY99J/qnO69CzvwxBlR0vrNg== X-Received: by 2002:a0c:8e08:: with SMTP id v8mr21132536qvb.4.1580196025518; Mon, 27 Jan 2020 23:20:25 -0800 (PST) Date: Mon, 27 Jan 2020 23:19:59 -0800 In-Reply-To: <20200128072002.79250-1-brendanhiggins@google.com> Message-Id: <20200128072002.79250-5-brendanhiggins@google.com> Mime-Version: 1.0 References: <20200128072002.79250-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.25.0.341.g760bfbb309-goog Subject: [PATCH v1 4/7] init: main: add KUnit to kernel init From: Brendan Higgins To: jdike@addtoit.com, richard@nod.at, anton.ivanov@cambridgegreys.com, arnd@arndb.de, keescook@chromium.org, skhan@linuxfoundation.org, alan.maguire@oracle.com, yzaikin@google.com, davidgow@google.com, akpm@linux-foundation.org, rppt@linux.ibm.com, frowand.list@gmail.com Cc: gregkh@linuxfoundation.org, sboyd@kernel.org, logang@deltatee.com, mcgrof@kernel.org, knut.omang@oracle.com, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Brendan Higgins Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Remove KUnit from init calls entirely, instead call directly from kernel_init(). Co-developed-by: Alan Maguire Signed-off-by: Alan Maguire Signed-off-by: Brendan Higgins --- include/kunit/test.h | 9 +++++++++ init/main.c | 4 ++++ lib/kunit/executor.c | 4 +--- 3 files changed, 14 insertions(+), 3 deletions(-) diff --git a/include/kunit/test.h b/include/kunit/test.h index 8a02f93a6b505..8689dd1459844 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -197,6 +197,15 @@ void kunit_init_test(struct kunit *test, const char *name); int kunit_run_tests(struct kunit_suite *suite); +#if IS_BUILTIN(CONFIG_KUNIT) +int kunit_run_all_tests(void); +#else +static inline int kunit_run_all_tests(void) +{ + return 0; +} +#endif /* IS_BUILTIN(CONFIG_KUNIT) */ + /* * If a test suite is built-in, module_init() gets translated into * an initcall which we don't want as the idea is that for builtins diff --git a/init/main.c b/init/main.c index 2cd736059416f..90301d4fbd1bb 100644 --- a/init/main.c +++ b/init/main.c @@ -103,6 +103,8 @@ #define CREATE_TRACE_POINTS #include +#include + static int kernel_init(void *); extern void init_IRQ(void); @@ -1201,6 +1203,8 @@ static noinline void __init kernel_init_freeable(void) do_basic_setup(); + kunit_run_all_tests(); + console_on_rootfs(); /* diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c index 6429927d598a5..b75a46c560847 100644 --- a/lib/kunit/executor.c +++ b/lib/kunit/executor.c @@ -11,7 +11,7 @@ extern struct kunit_suite * const * const __kunit_suites_end[]; #if IS_BUILTIN(CONFIG_KUNIT) -static int kunit_run_all_tests(void) +int kunit_run_all_tests(void) { struct kunit_suite * const * const *suites, * const *subsuite; bool has_test_failed = false; @@ -31,6 +31,4 @@ static int kunit_run_all_tests(void) return 0; } -late_initcall(kunit_run_all_tests); - #endif /* IS_BUILTIN(CONFIG_KUNIT) */ From patchwork Tue Jan 28 07:20:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 208871 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=DKIMWL_WL_MED, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6A80C33CB3 for ; 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Signed-off-by: Brendan Higgins --- Documentation/admin-guide/kernel-parameters.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index ade4e6ec23e03..0472b02ce16bb 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2054,6 +2054,13 @@ 0: force disabled 1: force enabled + kunit_shutdown [KERNEL UNIT TESTING FRAMEWORK] Shutdown kernel after + running tests. + Default: (flag not present) don't shutdown + poweroff: poweroff the kernel after running tests. + halt: halt the kernel after running tests. + reboot: reboot the kernel after running tests. + kvm.ignore_msrs=[KVM] Ignore guest accesses to unhandled MSRs. Default is 0 (don't ignore, but inject #GP)