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    SubjectRe: [PATCH v4 0/7] x86/boot: Remove runtime relocations from compressed kernel
    On Tue, Jul 14, 2020 at 8:30 PM Sedat Dilek <sedat.dilek@gmail.com> wrote:
    >
    > > I did a full new build...
    > >
    > > ...and it fails with ld.lld-11 as linker:
    > >
    > > ld.lld-11 -m elf_x86_64 -pie --no-dynamic-linker -r -o
    > > arch/x86/boot/compressed/.tmp_misc.o arch/x86/boot/compressed/misc.o
    > > -T arch/x86/boot/compressed/.tmp_misc.ver; mv -f
    > > arch/x86/boot/compressed/.tmp_misc.o arch/x86/boot/compressed/misc.o;
    > > rm -f arch/x86/boot/compressed/.tmp_misc.ver; fi
    > > *** ld.lld-11: error: -r and -pie may not be used together ***
    > > make[5]: *** [scripts/Makefile.build:281:
    > > arch/x86/boot/compressed/misc.o] Error 1
    > >
    > > It's annoying to fail on the last minutes of a build.
    > > Sorry for being very honest.
    > >
    >
    > I applied this diff...
    >
    > $ git diff arch/x86/boot/compressed/Makefile
    > diff --git a/arch/x86/boot/compressed/Makefile
    > b/arch/x86/boot/compressed/Makefile
    > index 789d5d14d8b0..9ba52a656838 100644
    > --- a/arch/x86/boot/compressed/Makefile
    > +++ b/arch/x86/boot/compressed/Makefile
    > @@ -51,7 +51,10 @@ UBSAN_SANITIZE :=n
    > KBUILD_LDFLAGS := -m elf_$(UTS_MACHINE)
    > # Compressed kernel should be built as PIE since it may be loaded at any
    > # address by the bootloader.
    > +# LLD linker does not allow -r and -pie options to be used together.
    > +ifndef CONFIG_LD_IS_LLD
    > KBUILD_LDFLAGS += -pie $(call ld-option, --no-dynamic-linker)
    > +endif
    > LDFLAGS_vmlinux := -T
    >
    > hostprogs := mkpiggy
    >
    > ...and was able to build, assemble, link arch/x86/boot/compressed/*.
    >

    I checked my last succesfull build without your patchset:

    $ grep no-dynamic-linker build-log_5.8.0-rc5-1-amd64-llvm11-ias.txt
    [ EMPTY ]

    - Sedat -

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