Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Fri, 26 Jun 2020 14:09:06 -0700
In-Reply-To: <20200626210917.358969-1-brendanhiggins@google.com>
Message-Id: <20200626210917.358969-2-brendanhiggins@google.com>
Mime-Version: 1.0
References: <20200626210917.358969-1-brendanhiggins@google.com>
Subject: [PATCH v5 01/12] vmlinux.lds.h: add linker section for KUnit test suites
From:   Brendan Higgins <brendanhiggins@google.com>
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, catalin.marinas@arm.com, will@kernel.org,
        monstr@monstr.eu, mpe@ellerman.id.au, benh@kernel.crashing.org,
        paulus@samba.org, chris@zankel.net, jcmvbkbc@gmail.com
Cc:     gregkh@linuxfoundation.org, sboyd@kernel.org, logang@deltatee.com,
        mcgrof@kernel.org, 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, linux-arm-kernel@lists.infradead.org,
        linuxppc-dev@lists.ozlabs.org, linux-xtensa@linux-xtensa.org,
        Brendan Higgins <brendanhiggins@google.com>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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 <yzaikin@google.com>
Signed-off-by: Iurii Zaikin <yzaikin@google.com>
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
---
 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 db600ef218d7d..4f9b036fc9616 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -881,6 +881,13 @@
 		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);							\
@@ -1056,6 +1063,7 @@
 		INIT_CALLS						\
 		CON_INITCALL						\
 		INIT_RAM_FS						\
+		KUNIT_TEST_SUITES					\
 	}
 
 #define BSS_SECTION(sbss_align, bss_align, stop_align)			\
-- 
2.27.0.212.ge8ba1cc988-goog