linux-kernel - Re: fs/file_attr.c:263:9: error: unexpected token, expected comma

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Message-ID: <20260102093114.GG1712166@ZenIV>
Date: Fri, 2 Jan 2026 09:31:14 +0000
From: Al Viro <viro@...iv.linux.org.uk>
To: kernel test robot <lkp@...el.com>
Cc: Andrey Albershteyn <aalbersh@...nel.org>, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Christian Brauner <brauner@...nel.org>,
	Amir Goldstein <amir73il@...il.com>,
	"Darrick J. Wong" <djwong@...nel.org>, Jan Kara <jack@...e.cz>
Subject: Re: fs/file_attr.c:263:9: error: unexpected token, expected comma

On Thu, Jan 01, 2026 at 09:41:43AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   9528d5c091c59b408a754a1823cf0942069867cc
> commit: 2f952c9e8fe13c6ee15c05189f1f87c1a70b866c fs: split fileattr related helpers into separate file
> date:   6 months ago
> config: mips-randconfig-r051-20251231 (https://download.01.org/0day-ci/archive/20260101/202601010950.QjCTROwO-lkp@intel.com/config)
> compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project f43d6834093b19baf79beda8c0337ab020ac5f17)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260101/202601010950.QjCTROwO-lkp@intel.com/reproduce)
> 
> 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/202601010950.QjCTROwO-lkp@intel.com/

It has nothing whatsoever to do with the commit in question; I would be
very surprised if the same build was not full of identical errors all
over the place, wherever we happen to use put_user() or get_user().

Basically, you've stumbled across a mips config that breaks something
in their asm/uaccess.h; apparently 32bit with EVA, bringing the macro
horrors from asm-eva.h into play.