Messages in this thread | | | Date | Sun, 29 Jan 2023 07:51:04 -0700 | From | Nathan Chancellor <> | Subject | Re: [PATCH] ARM: Allow pre-ARMv5 builds with ld.lld 16.0.0 and newer |
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On Fri, Jan 27, 2023 at 10:56:06PM +0100, Arnd Bergmann wrote: > On Wed, Jan 18, 2023, at 20:22, Nathan Chancellor wrote: > > Commit 6a7ee50f8f56 ("ARM: disallow pre-ARMv5 builds with ld.lld") > > prevented v4 or v4t kernels when ld.lld will link the kernel due to > > inserting unsupported blx instructions. > > > > ld.lld has been fixed in current main (16.0.0) to avoid inserting these > > instructions by inserting position independent thunks instead. Allow > > these configurations to be enabled when ld.lld 16.0.0 is used to link > > the kernel. > > > > Additionally, add a link to the upstream LLVM issue so that the reason > > for this dependency is clearly documented. > > > > Link: https://github.com/ClangBuiltLinux/linux/issues/964 > > Link: > > https://github.com/llvm/llvm-project/commit/6f9ff1beee9d12aca0c9caa9ae0051dc6d0a718c > > Suggested-by: Nick Desaulniers <ndesaulniers@google.com> > > Signed-off-by: Nathan Chancellor <nathan@kernel.org> > > Thanks a lot for getting this fixed! > > I gave this a spin on my randconfig build setup, which showed > nothing unusual. > > Tested-by: Arnd Bergmann <arnd@arndb.de> > > Please add this to Russell's patch tracker.
Done, thanks for testing!
https://www.armlinux.org.uk/developer/patches/viewpatch.php?id=9289/1
Cheers, Nathan
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