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Message-ID: <6191a730-1a0f-476e-8041-a0a51094b6b3@arm.com> Date: Thu, 19 Sep 2024 12:42:08 +0530 From: Anshuman Khandual <anshuman.khandual@....com> To: kernel test robot <lkp@...el.com>, linux-mm@...ck.org Cc: oe-kbuild-all@...ts.linux.dev, Andrew Morton <akpm@...ux-foundation.org>, David Hildenbrand <david@...hat.com>, Ryan Roberts <ryan.roberts@....com>, "Mike Rapoport (IBM)" <rppt@...nel.org>, Arnd Bergmann <arnd@...db.de>, x86@...nel.org, linux-m68k@...ts.linux-m68k.org, linux-fsdevel@...r.kernel.org, kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, Dimitri Sivanich <dimitri.sivanich@....com>, Muchun Song <muchun.song@...ux.dev>, Andrey Ryabinin <ryabinin.a.a@...il.com>, Miaohe Lin <linmiaohe@...wei.com>, Naoya Horiguchi <nao.horiguchi@...il.com>, Pasha Tatashin <pasha.tatashin@...een.com>, Dennis Zhou <dennis@...nel.org>, Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux-foundation.org>, Uladzislau Rezki <urezki@...il.com>, Christoph Hellwig <hch@...radead.org> Subject: Re: [PATCH V2 4/7] mm: Use pmdp_get() for accessing PMD entries On 9/19/24 00:37, kernel test robot wrote: > Hi Anshuman, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on char-misc/char-misc-testing] > [also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus brauner-vfs/vfs.all dennis-percpu/for-next linus/master v6.11] > [cannot apply to akpm-mm/mm-everything next-20240918] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/m68k-mm-Change-pmd_val/20240917-153331 > base: char-misc/char-misc-testing > patch link: https://lore.kernel.org/r/20240917073117.1531207-5-anshuman.khandual%40arm.com > patch subject: [PATCH V2 4/7] mm: Use pmdp_get() for accessing PMD entries > config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20240919/202409190244.JcrD4CwD-lkp@intel.com/config) > compiler: or1k-linux-gcc (GCC) 14.1.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240919/202409190244.JcrD4CwD-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/202409190244.JcrD4CwD-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > In file included from include/asm-generic/bug.h:22, > from arch/openrisc/include/asm/bug.h:5, > from include/linux/bug.h:5, > from include/linux/mmdebug.h:5, > from include/linux/mm.h:6, > from include/linux/pagemap.h:8, > from mm/pgtable-generic.c:10: > mm/pgtable-generic.c: In function 'pmd_clear_bad': >>> arch/openrisc/include/asm/pgtable.h:369:36: error: lvalue required as unary '&' operand > 369 | __FILE__, __LINE__, &(e), pgd_val(e)) > | ^ > include/linux/printk.h:437:33: note: in definition of macro 'printk_index_wrap' > 437 | _p_func(_fmt, ##__VA_ARGS__); \ > | ^~~~~~~~~~~ > arch/openrisc/include/asm/pgtable.h:368:9: note: in expansion of macro 'printk' > 368 | printk(KERN_ERR "%s:%d: bad pgd %p(%08lx).\n", \ > | ^~~~~~ > include/asm-generic/pgtable-nop4d.h:25:50: note: in expansion of macro 'pgd_ERROR' > 25 | #define p4d_ERROR(p4d) (pgd_ERROR((p4d).pgd)) > | ^~~~~~~~~ > include/asm-generic/pgtable-nopud.h:32:50: note: in expansion of macro 'p4d_ERROR' > 32 | #define pud_ERROR(pud) (p4d_ERROR((pud).p4d)) > | ^~~~~~~~~ > include/asm-generic/pgtable-nopmd.h:36:50: note: in expansion of macro 'pud_ERROR' > 36 | #define pmd_ERROR(pmd) (pud_ERROR((pmd).pud)) > | ^~~~~~~~~ > mm/pgtable-generic.c:54:9: note: in expansion of macro 'pmd_ERROR' > 54 | pmd_ERROR(pmdp_get(pmd)); > | ^~~~~~~~~ > > > vim +369 arch/openrisc/include/asm/pgtable.h > > 61e85e367535a7 Jonas Bonn 2011-06-04 363 > 61e85e367535a7 Jonas Bonn 2011-06-04 364 #define pte_ERROR(e) \ > 61e85e367535a7 Jonas Bonn 2011-06-04 365 printk(KERN_ERR "%s:%d: bad pte %p(%08lx).\n", \ > 61e85e367535a7 Jonas Bonn 2011-06-04 366 __FILE__, __LINE__, &(e), pte_val(e)) > 61e85e367535a7 Jonas Bonn 2011-06-04 367 #define pgd_ERROR(e) \ > 61e85e367535a7 Jonas Bonn 2011-06-04 368 printk(KERN_ERR "%s:%d: bad pgd %p(%08lx).\n", \ > 61e85e367535a7 Jonas Bonn 2011-06-04 @369 __FILE__, __LINE__, &(e), pgd_val(e)) > 61e85e367535a7 Jonas Bonn 2011-06-04 370 > This build failure can be fixed with dropping address output from pxd_ERROR() helpers as is being done for the x86 platform. Similar fix is also required for the UM architecture as well. diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h index 60c6ce7ff2dc..831efb71ab54 100644 --- a/arch/openrisc/include/asm/pgtable.h +++ b/arch/openrisc/include/asm/pgtable.h @@ -362,11 +362,11 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd) #define pfn_pte(pfn, prot) __pte((((pfn) << PAGE_SHIFT)) | pgprot_val(prot)) #define pte_ERROR(e) \ - printk(KERN_ERR "%s:%d: bad pte %p(%08lx).\n", \ - __FILE__, __LINE__, &(e), pte_val(e)) + printk(KERN_ERR "%s:%d: bad pte (%08lx).\n", \ + __FILE__, __LINE__, pte_val(e)) #define pgd_ERROR(e) \ - printk(KERN_ERR "%s:%d: bad pgd %p(%08lx).\n", \ - __FILE__, __LINE__, &(e), pgd_val(e)) + printk(KERN_ERR "%s:%d: bad pgd (%08lx).\n", \ + __FILE__, __LINE__, pgd_val(e)) extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; /* defined in head.S */
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