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Rather then emitting a compiler error it would be preferable to only build the test on supported architectures. Mark proc-empty-vm as a test for x86_64 and customise the Makefile to build it only when building for this target architecture. Fixes: 5bc73bb3451b ("proc: test how it holds up with mapping'less process") Signed-off-by: Punit Agrawal --- v1 -> v2 * Fixed missing compilation on x86_64 Previous version * https://lore.kernel.org/all/20221109110621.1791999-1-punit.agrawal@bytedance.com/ tools/testing/selftests/proc/Makefile | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/proc/Makefile b/tools/testing/selftests/proc/Makefile index cd95369254c0..743aaa0cdd52 100644 --- a/tools/testing/selftests/proc/Makefile +++ b/tools/testing/selftests/proc/Makefile @@ -1,14 +1,16 @@ # SPDX-License-Identifier: GPL-2.0-only + +# When ARCH not overridden for crosscompiling, lookup machine +ARCH ?= $(shell uname -m 2>/dev/null || echo not) + CFLAGS += -Wall -O2 -Wno-unused-function CFLAGS += -D_GNU_SOURCE LDFLAGS += -pthread -TEST_GEN_PROGS := TEST_GEN_PROGS += fd-001-lookup TEST_GEN_PROGS += fd-002-posix-eq TEST_GEN_PROGS += fd-003-kthread TEST_GEN_PROGS += proc-loadavg-001 -TEST_GEN_PROGS += proc-empty-vm TEST_GEN_PROGS += proc-pid-vm TEST_GEN_PROGS += proc-self-map-files-001 TEST_GEN_PROGS += proc-self-map-files-002 @@ -26,4 +28,8 @@ TEST_GEN_PROGS += thread-self TEST_GEN_PROGS += proc-multiple-procfs TEST_GEN_PROGS += proc-fsconfig-hidepid +TEST_GEN_PROGS_x86_64 += proc-empty-vm + +TEST_GEN_PROGS += $(TEST_GEN_PROGS_$(ARCH)) + include ../lib.mk From patchwork Wed Nov 9 22:11:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Punit Agrawal X-Patchwork-Id: 17854 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:6687:0:0:0:0:0 with SMTP id l7csp591523wru; Wed, 9 Nov 2022 14:22:16 -0800 (PST) X-Google-Smtp-Source: AMsMyM7uwEUhDsNbCCB1py0TxSxqq2u2V2g7bkFr8lVpP0ybycRlT53wKphUXe0QM48GsQ1987/I X-Received: by 2002:a17:90b:1b4b:b0:213:4d2f:9832 with SMTP id nv11-20020a17090b1b4b00b002134d2f9832mr63781943pjb.233.1668032536066; Wed, 09 Nov 2022 14:22:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668032536; cv=none; d=google.com; s=arc-20160816; b=jxfQKDgMDcFO1oJmRw6Klg9331W/Fd5RtWx0TJkIY55L8ZYutGyHHIkjSJ7hmh8M2j gsslyyoz8232PWQomQUSoRc63BvGf4djkVcaRWMYOUXr9BxNEU7nUd3jkfjshvjW+g/u atsf4NhmfzfTc6VaoKJwPAh7lVd5H69vIR4vmK7zLUrXg/VRJyDJ3GRS93P93aw7yFox UiAL6J7ovAd418lLNCiVT+wg860xUTUj6TYvhf4oo4/+bIZahXtBB1Etr9uP3CNuugD1 rDhHxsQIQ7SMhvNQOLFyq7WNXzPlSi8yiaTfUAhZ7OLZOvK1+p2m7PbnAsnskzU2yujh YItQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=Zjcx5nGJ4+e6voi0gTPzKp2DtAjaGHPzOo3aFzn/OZg=; b=l+lawaDVcX6Xmk248QS2Mg9/UT/YVLS2bWNkfI4Z+sKh9BD+ZtXEwhw3rm+WNrCDyl +G7LxcqDQEL0onWaD1CSfGzlKjTSS51KsjG3f7IZ8eHOgJsayinZlz/+msm1KOYwEajR /8xn+cfh6AyKZwhJV/WRGrAXcHy5umQVXs53/I9by40uP6hs3034IfpOEW/ba8mcP+6S jZi/lFYwa744aIQmvRWkWviczJQ8KALN1W9y+YezvmN+sRuJCCCdzLzwT+vo3F6a8J0U 7lTNXt1Zz3l2IzIkM/UunMvlIU5EqRfY1K4j/tfakFQu7v1qQdOLhCKfkFliwNdX0qnl +Uuw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b="P8/bnQTj"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=bytedance.com Received: from out1.vger.email (out1.vger.email. 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Mark it as such in the Makefile and in the process remove the special casing in the test itself. Signed-off-by: Punit Agrawal --- tools/testing/selftests/proc/Makefile | 2 +- tools/testing/selftests/proc/proc-pid-vm.c | 9 --------- 2 files changed, 1 insertion(+), 10 deletions(-) diff --git a/tools/testing/selftests/proc/Makefile b/tools/testing/selftests/proc/Makefile index 743aaa0cdd52..db953c014bf8 100644 --- a/tools/testing/selftests/proc/Makefile +++ b/tools/testing/selftests/proc/Makefile @@ -11,7 +11,6 @@ TEST_GEN_PROGS += fd-001-lookup TEST_GEN_PROGS += fd-002-posix-eq TEST_GEN_PROGS += fd-003-kthread TEST_GEN_PROGS += proc-loadavg-001 -TEST_GEN_PROGS += proc-pid-vm TEST_GEN_PROGS += proc-self-map-files-001 TEST_GEN_PROGS += proc-self-map-files-002 TEST_GEN_PROGS += proc-self-syscall @@ -29,6 +28,7 @@ TEST_GEN_PROGS += proc-multiple-procfs TEST_GEN_PROGS += proc-fsconfig-hidepid TEST_GEN_PROGS_x86_64 += proc-empty-vm +TEST_GEN_PROGS_x86_64 += proc-pid-vm TEST_GEN_PROGS += $(TEST_GEN_PROGS_$(ARCH)) diff --git a/tools/testing/selftests/proc/proc-pid-vm.c b/tools/testing/selftests/proc/proc-pid-vm.c index 69551bfa215c..6b0cb772b688 100644 --- a/tools/testing/selftests/proc/proc-pid-vm.c +++ b/tools/testing/selftests/proc/proc-pid-vm.c @@ -105,7 +105,6 @@ struct elf64_phdr { uint64_t p_align; }; -#ifdef __x86_64__ #define PAGE_SIZE 4096 #define VADDR (1UL << 32) #define MAPS_OFFSET 73 @@ -209,7 +208,6 @@ static int make_exe(const uint8_t *payload, size_t len) return fd1; } -#endif /* * 0: vsyscall VMA doesn't exist vsyscall=none @@ -225,7 +223,6 @@ static const char str_vsyscall_1[] = static const char str_vsyscall_2[] = "ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]\n"; -#ifdef __x86_64__ static void sigaction_SIGSEGV(int _, siginfo_t *__, void *___) { _exit(g_vsyscall); @@ -493,9 +490,3 @@ int main(void) return 0; } -#else -int main(void) -{ - return 4; -} -#endif