The patch titled Subject: tools/testing/selftests/vm: fix build error has been removed from the -mm tree. Its filename was selftest-vm-fix-build-error.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Xingxing Su <suxingxing@xxxxxxxxxxx> Subject: tools/testing/selftests/vm: fix build error Only x86 and PowerPC implement the pkey-xxx.h, and an error was reported when compiling protection_keys.c. Add a Arch judgment to compile "protection_keys" in the Makefile. If other arch implement this, add the arch name to the Makefile. eg: ifneq (,$(findstring $(ARCH),powerpc mips ... )) Following build errors: pkey-helpers.h:93:2: error: #error Architecture not supported #error Architecture not supported pkey-helpers.h:96:20: error: `PKEY_DISABLE_ACCESS' undeclared #define PKEY_MASK (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE) ^ protection_keys.c:218:45: error: `PKEY_DISABLE_WRITE' undeclared pkey_assert(flags & (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE)); ^ Link: https://lkml.kernel.org/r/1606826876-30656-1-git-send-email-suxingxing@xxxxxxxxxxx Signed-off-by: Xingxing Su <suxingxing@xxxxxxxxxxx> Cc: Shuah Khan <shuah@xxxxxxxxxx> Cc: Sandipan Das <sandipan@xxxxxxxxxxxxx> Cc: John Hubbard <jhubbard@xxxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxx> Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Brian Geffon <bgeffon@xxxxxxxxxx> Cc: Mina Almasry <almasrymina@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/selftests/vm/Makefile | 4 ++++ 1 file changed, 4 insertions(+) --- a/tools/testing/selftests/vm/Makefile~selftest-vm-fix-build-error +++ a/tools/testing/selftests/vm/Makefile @@ -60,9 +60,13 @@ ifeq ($(CAN_BUILD_X86_64),1) TEST_GEN_FILES += $(BINARIES_64) endif else + +ifneq (,$(findstring $(ARCH),powerpc)) TEST_GEN_FILES += protection_keys endif +endif + ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sh64 sparc64 x86_64)) TEST_GEN_FILES += va_128TBswitch TEST_GEN_FILES += virtual_address_range _ Patches currently in -mm which might be from suxingxing@xxxxxxxxxxx are