On Wed, Nov 15, 2017 at 01:34:26PM -0800, Sami Tolvanen wrote: > CONFIG_LTO_CLANG requires the use of clang's integrated assembler, which > doesn't understand the inline assembly in aes-ce-cipher.c. Disable LTO for > the file to work around the issue. Could you elaborate on what the integrated asembler doesn't like? It's not entirely clear at a glance, as the asm in that file doesn't seem to do anything that obscure. Is it a bug? Thanks, Mark. > Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> > Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> > --- > arch/arm64/crypto/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/crypto/Makefile b/arch/arm64/crypto/Makefile > index b5edc5918c28..af08508521a3 100644 > --- a/arch/arm64/crypto/Makefile > +++ b/arch/arm64/crypto/Makefile > @@ -24,7 +24,7 @@ obj-$(CONFIG_CRYPTO_CRC32_ARM64_CE) += crc32-ce.o > crc32-ce-y:= crc32-ce-core.o crc32-ce-glue.o > > obj-$(CONFIG_CRYPTO_AES_ARM64_CE) += aes-ce-cipher.o > -CFLAGS_aes-ce-cipher.o += -march=armv8-a+crypto > +CFLAGS_aes-ce-cipher.o += -march=armv8-a+crypto $(DISABLE_LTO_CLANG) > > obj-$(CONFIG_CRYPTO_AES_ARM64_CE_CCM) += aes-ce-ccm.o > aes-ce-ccm-y := aes-ce-ccm-glue.o aes-ce-ccm-core.o > -- > 2.15.0.448.gf294e3d99a-goog > -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html