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b8de5498638e with local (Exim 4.96) (envelope-from ) id 1r3LKC-0000jm-2v; Wed, 15 Nov 2023 19:13:20 +0000 Date: Thu, 16 Nov 2023 03:12:24 +0800 From: kernel test robot To: Jakub Kicinski Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Alexander Lobakin , Alexander Duyck Subject: net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202311160339.DbhaH8LX-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c commit: ff4e538c8c3e675a15e1e49509c55951832e0451 page_pool: add a lockdep check for recycling in hardirq date: 3 months ago config: loongarch-randconfig-r133-20231107 (https://download.01.org/0day-ci/archive/20231116/202311160339.DbhaH8LX-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231116/202311160339.DbhaH8LX-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202311160339.DbhaH8LX-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got unsigned int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got unsigned int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got unsigned int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got unsigned int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got unsigned int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got unsigned int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got unsigned int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got unsigned int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * >> net/core/page_pool.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ net/core/page_pool.c:590:9: sparse: expected void *ptr net/core/page_pool.c:590:9: sparse: got int [noderef] __percpu * vim +590 net/core/page_pool.c 579 580 /* If the page refcnt == 1, this will try to recycle the page. 581 * if PP_FLAG_DMA_SYNC_DEV is set, we'll try to sync the DMA area for 582 * the configured size min(dma_sync_size, pool->max_len). 583 * If the page refcnt != 1, then the page will be returned to memory 584 * subsystem. 585 */ 586 static __always_inline struct page * 587 __page_pool_put_page(struct page_pool *pool, struct page *page, 588 unsigned int dma_sync_size, bool allow_direct) 589 { > 590 lockdep_assert_no_hardirq(); 591 592 /* This allocator is optimized for the XDP mode that uses 593 * one-frame-per-page, but have fallbacks that act like the 594 * regular page allocator APIs. 595 * 596 * refcnt == 1 means page_pool owns page, and can recycle it. 597 * 598 * page is NOT reusable when allocated when system is under 599 * some pressure. (page_is_pfmemalloc) 600 */ 601 if (likely(page_ref_count(page) == 1 && !page_is_pfmemalloc(page))) { 602 /* Read barrier done in page_ref_count / READ_ONCE */ 603 604 if (pool->p.flags & PP_FLAG_DMA_SYNC_DEV) 605 page_pool_dma_sync_for_device(pool, page, 606 dma_sync_size); 607 608 if (allow_direct && in_softirq() && 609 page_pool_recycle_in_cache(page, pool)) 610 return NULL; 611 612 /* Page found as candidate for recycling */ 613 return page; 614 } 615 /* Fallback/non-XDP mode: API user have elevated refcnt. 616 * 617 * Many drivers split up the page into fragments, and some 618 * want to keep doing this to save memory and do refcnt based 619 * recycling. Support this use case too, to ease drivers 620 * switching between XDP/non-XDP. 621 * 622 * In-case page_pool maintains the DMA mapping, API user must 623 * call page_pool_put_page once. In this elevated refcnt 624 * case, the DMA is unmapped/released, as driver is likely 625 * doing refcnt based recycle tricks, meaning another process 626 * will be invoking put_page. 627 */ 628 recycle_stat_inc(pool, released_refcnt); 629 page_pool_return_page(pool, page); 630 631 return NULL; 632 } 633 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki