linux-kernel - [davidhildenbrand:cow_fixes_part_3 31/37] arch/powerpc/include/asm/book3s/64/pgtable.h:762:84: error: expected ')' before '}' token

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Message-ID: <202203112115.rlyxdAhi-lkp@intel.com>
Date:   Fri, 11 Mar 2022 22:03:23 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [davidhildenbrand:cow_fixes_part_3 31/37]
 arch/powerpc/include/asm/book3s/64/pgtable.h:762:84: error: expected ')'
 before '}' token

tree:   git://github.com/davidhildenbrand/linux cow_fixes_part_3
head:   1eea84efeea5e210bb4f92b7d64f4c1cc1aa761d
commit: 43a8e5bbb3d2fe2cd131400b98cbac8f79ba5290 [31/37] powerpc/pgtable: remove _PAGE_BIT_SWAP_TYPE for book3s
config: powerpc64-buildonly-randconfig-r003-20220310 (https://download.01.org/0day-ci/archive/20220311/202203112115.rlyxdAhi-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/davidhildenbrand/linux/commit/43a8e5bbb3d2fe2cd131400b98cbac8f79ba5290
        git remote add davidhildenbrand git://github.com/davidhildenbrand/linux
        git fetch --no-tags davidhildenbrand cow_fixes_part_3
        git checkout 43a8e5bbb3d2fe2cd131400b98cbac8f79ba5290
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash fs/proc/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20,
                    from arch/powerpc/include/asm/book3s/64/mmu.h:38,
                    from arch/powerpc/include/asm/mmu.h:405,
                    from arch/powerpc/include/asm/lppaca.h:46,
                    from arch/powerpc/include/asm/paca.h:17,
                    from arch/powerpc/include/asm/current.h:13,
                    from include/linux/thread_info.h:23,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/powerpc/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:55,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/mm.h:10,
                    from include/linux/pagewalk.h:5,
                    from fs/proc/task_mmu.c:2:
   include/linux/swapops.h: In function 'swp_entry_to_pte':
>> arch/powerpc/include/asm/book3s/64/pgtable.h:762:84: error: expected ')' before '}' token
     762 |                                 ((type) | (((offset) << PAGE_SHIFT) & PTE_RPN_MASK)})
         |                                 ~                                                  ^
   include/linux/swapops.h:94:22: note: in expansion of macro '__swp_entry'
      94 |         arch_entry = __swp_entry(swp_type(entry), swp_offset(entry));
         |                      ^~~~~~~~~~~


vim +762 arch/powerpc/include/asm/book3s/64/pgtable.h

   745	
   746	/* Encode and de-code a swap entry */
   747	#define MAX_SWAPFILES_CHECK() do { \
   748		BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS); \
   749		/*							\
   750		 * Don't have overlapping bits with _PAGE_HPTEFLAGS	\
   751		 * We filter HPTEFLAGS on set_pte.			\
   752		 */							\
   753		BUILD_BUG_ON(_PAGE_HPTEFLAGS & SWP_TYPE_MASK); \
   754		BUILD_BUG_ON(_PAGE_HPTEFLAGS & _PAGE_SWP_SOFT_DIRTY);	\
   755		} while (0)
   756	
   757	#define SWP_TYPE_BITS 5
   758	#define SWP_TYPE_MASK		((1UL << SWP_TYPE_BITS) - 1)
   759	#define __swp_type(x)		((x).val & SWP_TYPE_MASK)
   760	#define __swp_offset(x)		(((x).val & PTE_RPN_MASK) >> PAGE_SHIFT)
   761	#define __swp_entry(type, offset)	((swp_entry_t) { \
 > 762					((type) | (((offset) << PAGE_SHIFT) & PTE_RPN_MASK)})
   763	/*
   764	 * swp_entry_t must be independent of pte bits. We build a swp_entry_t from
   765	 * swap type and offset we get from swap and convert that to pte to find a
   766	 * matching pte in linux page table.
   767	 * Clear bits not found in swap entries here.
   768	 */
   769	#define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val((pte)) & ~_PAGE_PTE })
   770	#define __swp_entry_to_pte(x)	__pte((x).val | _PAGE_PTE)
   771	#define __pmd_to_swp_entry(pmd)	(__pte_to_swp_entry(pmd_pte(pmd)))
   772	#define __swp_entry_to_pmd(x)	(pte_pmd(__swp_entry_to_pte(x)))
   773	

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