From b0d2193ba643ec8246e7a194e336c71018b8e6f3 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Thu, 24 Jun 2021 14:32:15 +0800 Subject: [PATCH] crypto: scatterwalk - Remove obsolete PageSlab check As it is now legal to call flush_dcache_page on slab pages we no longer need to do the check in the Crypto API. Reported-by: Ira Weiny Signed-off-by: Herbert Xu --- include/crypto/scatterwalk.h | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h index c837d07..7af0817 100644 --- a/include/crypto/scatterwalk.h +++ b/include/crypto/scatterwalk.h @@ -81,12 +81,7 @@ static inline void scatterwalk_pagedone(struct scatter_walk *walk, int out, struct page *page; page = sg_page(walk->sg) + ((walk->offset - 1) >> PAGE_SHIFT); - /* Test ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE first as - * PageSlab cannot be optimised away per se due to - * use of volatile pointer. - */ - if (ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE && !PageSlab(page)) - flush_dcache_page(page); + flush_dcache_page(page); } if (more && walk->offset >= walk->sg->offset + walk->sg->length) -- 2.7.4