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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id o22sm26668076pfd.114.2020.06.26.14.20.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jun 2020 14:20:14 -0700 (PDT) Date: Fri, 26 Jun 2020 14:20:13 -0700 From: Kees Cook To: Brendan Higgins Subject: Re: [PATCH v5 01/12] vmlinux.lds.h: add linker section for KUnit test suites Message-ID: <202006261416.F4EAAE47E3@keescook> References: <20200626210917.358969-1-brendanhiggins@google.com> <20200626210917.358969-2-brendanhiggins@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200626210917.358969-2-brendanhiggins@google.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, catalin.marinas@arm.com, jcmvbkbc@gmail.com, will@kernel.org, paulus@samba.org, linux-kselftest@vger.kernel.org, frowand.list@gmail.com, anton.ivanov@cambridgegreys.com, linux-arch@vger.kernel.org, richard@nod.at, rppt@linux.ibm.com, yzaikin@google.com, linux-xtensa@linux-xtensa.org, arnd@arndb.de, jdike@addtoit.com, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, davidgow@google.com, skhan@linuxfoundation.org, linux-arm-kernel@lists.infradead.org, kunit-dev@googlegroups.com, chris@zankel.net, monstr@monstr.eu, sboyd@kernel.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, mcgrof@kernel.org, alan.maguire@oracle.com, akpm@linux-foundation.org, logang@deltatee.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, Jun 26, 2020 at 02:09:06PM -0700, Brendan Higgins wrote: > 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 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 */ Nit on naming: > +#define KUNIT_TEST_SUITES \ I would call this KUNIT_TABLE to maintain the same names as other things of this nature. > + . = 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 \ > } Nack: this must be in INIT_DATA, not in INIT_DATA_SECTION. Not all architectures use the INIT_DATA_SECTION macro (e.g. arm64), but everything uses INIT_DATA. -- Kees Cook