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Date: Thu, 7 Dec 2017 15:48:55 +0000 From: alexander.levin@...izon.com To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "stable@...r.kernel.org" <stable@...r.kernel.org> Cc: Andrea Arcangeli <aarcange@...hat.com>, Mike Rapoport <rppt@...ux.vnet.ibm.com>, "Dr. David Alan Gilbert" <dgilbert@...hat.com>, Mike Kravetz <mike.kravetz@...cle.com>, Pavel Emelyanov <xemul@...allels.com>, Hillf Danton <hillf.zj@...baba-inc.com>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org>, alexander.levin@...izon.com Subject: [PATCH AUTOSEL for 4.9 006/156] userfaultfd: selftest: vm: allow to build in vm/ directory From: Andrea Arcangeli <aarcange@...hat.com> [ Upstream commit 46aa6a302b53f543f8e8b8e1714dc5e449ad36a6 ] linux/tools/testing/selftests/vm $ make gcc -Wall -I ../../../../usr/include compaction_test.c -lrt -o /compaction_test /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.4/../../../../x86_64-pc-linux-gnu/bin/ld: cannot open output file /compaction_test: Permission denied collect2: error: ld returned 1 exit status make: *** [../lib.mk:54: /compaction_test] Error 1 Since commit a8ba798bc8ec ("selftests: enable O and KBUILD_OUTPUT") selftests/vm build fails if run from the "selftests/vm" directory, but it works in the selftests/ directory. It's quicker to be able to do a local vm-only build after a tree wipe and this patch allows for it again. Link: http://lkml.kernel.org/r/20170302173738.18994-4-aarcange@redhat.com Signed-off-by: Andrea Arcangeli <aarcange@...hat.com> Cc: Mike Rapoport <rppt@...ux.vnet.ibm.com> Cc: "Dr. David Alan Gilbert" <dgilbert@...hat.com> Cc: Mike Kravetz <mike.kravetz@...cle.com> Cc: Pavel Emelyanov <xemul@...allels.com> Cc: Hillf Danton <hillf.zj@...baba-inc.com> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org> Signed-off-by: Sasha Levin <alexander.levin@...izon.com> --- tools/testing/selftests/vm/Makefile | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile index bbab7f4664ac..d116a19477a7 100644 --- a/tools/testing/selftests/vm/Makefile +++ b/tools/testing/selftests/vm/Makefile @@ -1,5 +1,9 @@ # Makefile for vm selftests +ifndef OUTPUT + OUTPUT := $(shell pwd) +endif + CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS) BINARIES = compaction_test BINARIES += hugepage-mmap -- 2.11.0
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