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selftests: iommu: Use installed kernel headers search path

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Use $(KHDR_INCLUDES) as lookup path for installed kernel headers rather
than using kernel headers in include/uapi from the source kernel tree
kernel headers.

Remove bogus ../../../../include/ from the search path, because
kernel source headers are not needed by those user-space selftests, and
it causes issues because -I paths are searched before -isystem paths,
and conflicts for files appearing both in kernel sources and in uapi
headers with incompatible semantics (e.g. types.h).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Mathieu Desnoyers 2023-01-27 08:57:52 -05:00 committed by Shuah Khan
parent ac5ec90e94
commit 0d7a91678a
1 changed files with 1 additions and 2 deletions
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3
tools/testing/selftests/iommu/Makefile
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@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -Wall -O2 -Wno-unused-function
CFLAGS += -I../../../../include/uapi/
CFLAGS += -I../../../../include/
CFLAGS += $(KHDR_INCLUDES)
CFLAGS += -D_GNU_SOURCE