linux-kernel - [PATCH v5 01/12] vmlinux.lds.h: add linker section for KUnit test suites

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Message-Id: <20200626210917.358969-2-brendanhiggins@google.com>
Date:   Fri, 26 Jun 2020 14:09:06 -0700
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     jdike@...toit.com, richard@....at, anton.ivanov@...bridgegreys.com,
        arnd@...db.de, keescook@...omium.org, skhan@...uxfoundation.org,
        alan.maguire@...cle.com, yzaikin@...gle.com, davidgow@...gle.com,
        akpm@...ux-foundation.org, rppt@...ux.ibm.com,
        frowand.list@...il.com, catalin.marinas@....com, will@...nel.org,
        monstr@...str.eu, mpe@...erman.id.au, benh@...nel.crashing.org,
        paulus@...ba.org, chris@...kel.net, jcmvbkbc@...il.com
Cc:     gregkh@...uxfoundation.org, sboyd@...nel.org, logang@...tatee.com,
        mcgrof@...nel.org, linux-um@...ts.infradead.org,
        linux-arch@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linuxppc-dev@...ts.ozlabs.org, linux-xtensa@...ux-xtensa.org,
        Brendan Higgins <brendanhiggins@...gle.com>
Subject: [PATCH v5 01/12] vmlinux.lds.h: add linker section for KUnit test suites

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@...gle.com>
Signed-off-by: Iurii Zaikin <yzaikin@...gle.com>
Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
Reviewed-by: Stephen Boyd <sboyd@...nel.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