linux-kernel - Re: filemap.c:(.text+0x4960): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump

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Message-ID: <ZX0Vv3IyOi+Bp10Q@casper.infradead.org>
Date: Sat, 16 Dec 2023 03:13:03 +0000
From: Matthew Wilcox <willy@...radead.org>
To: kernel test robot <lkp@...el.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: filemap.c:(.text+0x4960): relocation truncated to fit:
 R_CKCORE_PCREL_IMM16BY4 against `__jump_table'

On Sat, Dec 16, 2023 at 10:11:04AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   3bd7d748816927202268cb335921f7f68b3ca723
> commit: 2580d554585c52a644839864ef9238af5b030ebc mm: use folio_xor_flags_has_waiters() in folio_end_writeback()
> date:   8 weeks ago
> config: csky-buildonly-randconfig-r002-20220807 (https://download.01.org/0day-ci/archive/20231216/202312161000.zSaZMSRO-lkp@intel.com/config)
> compiler: csky-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231216/202312161000.zSaZMSRO-lkp@intel.com/reproduce)

This seems like a general problem with (some configurations of?) csky.
I don't think I've made anything worse.  I don't intend to investigate
this further.

> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202312161000.zSaZMSRO-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    mm/filemap.o: in function `folio_end_writeback':
> >> filemap.c:(.text+0x4960): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x4978): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x4990): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x49a2): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x49b8): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x49d2): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x49f2): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x4a0c): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x4a4a): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x4a50): relocation truncated to fit: R_CKCORE_PCREL_IMM16BY4 against `__jump_table'
>    filemap.c:(.text+0x4a66): additional relocation overflows omitted from the output
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki