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Date:   Thu, 30 Jan 2020 15:08:06 -0800
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Subject: [PATCH v2 1/7] 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,
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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 <brendanhiggins@google.com>
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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 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)			\
-- 
2.25.0.341.g760bfbb309-goog