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d=samsung.com; s=mail20170921; t=1758113041; bh=a8nzCPWTXAyt6hRaDfVNErU8D7gGuDgm7hcWw0PWtq0=; h=Date:Subject:To:Cc:From:In-Reply-To:References:From; b=iMf+NB2vDPhaG57pxKLZBfQlaJEr5YPzKDv5V17ZPT0jOTja/j3acS2hHvfeTAZ1M fqnBgvJNoqTrjW7dzJYpy6X1zMw0QNC6wzQGrsKtjP/Cw0TvvBKYYKVB9i1LTkqie4 0UfVkSLbDnJVLytFEquLGJvxY8fF4kmiFRM90Wbs= Received: from eusmtip1.samsung.com (unknown [203.254.199.221]) by eucas1p1.samsung.com (KnoxPortal) with ESMTPA id 20250917124400eucas1p1d013715516684550c2ccc2d97ca691a5~mEn7wddWR1561815618eucas1p1e; Wed, 17 Sep 2025 12:44:00 +0000 (GMT) Received: from [106.210.134.192] (unknown [106.210.134.192]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250917124400eusmtip1d574af0bda27e66bb38b688c7469d995~mEn6650ts2138821388eusmtip1i; Wed, 17 Sep 2025 12:44:00 +0000 (GMT) Message-ID: Date: Wed, 17 Sep 2025 14:43:59 +0200 MIME-Version: 1.0 User-Agent: Betterbird (Windows) Subject: Re: [PATCH] kmsan: fix missed kmsan_handle_dma() signature conversion To: Leon Romanovsky Cc: Leon Romanovsky , Jason Gunthorpe , Alexander Potapenko , Andrew Morton , kasan-dev@googlegroups.com, kernel test robot , linux-mm@kvack.org Content-Language: en-US From: Marek Szyprowski In-Reply-To: <4b2d7d0175b30177733bbbd42bf979d77eb73c29.1758090947.git.leon@kernel.org> Content-Transfer-Encoding: 7bit X-CMS-MailID: 20250917124400eucas1p1d013715516684550c2ccc2d97ca691a5 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20250917063825eucas1p2364dba546022ab35fdc40dc7ada6fd20 X-EPHeader: CA X-CMS-RootMailID: 20250917063825eucas1p2364dba546022ab35fdc40dc7ada6fd20 References: <4b2d7d0175b30177733bbbd42bf979d77eb73c29.1758090947.git.leon@kernel.org> X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: B3AA318000F X-Stat-Signature: rhywiph8mn8y9n4fakz31t3umuzzzdj6 X-HE-Tag: 1758113043-940523 X-HE-Meta: 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 CGu9tRNk 1gBASyjTuNPSYbl0hAP1vqIJvw95uqkMMk18PRdIpqQv6HpSLdevBVlYRa2d4PlVBsHn4wa+wQIDmycacNp1J1sPUX4P4JlxkByTPTJUICAuar7r2e1FAkT808ZkOhhogNxK8lCpvKF8cMZexD/HayVD38BhDuCq09Vx/0UUYrmDsWY4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 17.09.2025 08:37, Leon Romanovsky wrote: > From: Leon Romanovsky > > kmsan_handle_dma_sg() has call to kmsan_handle_dma() function which was > missed during conversion to physical addresses. Update that caller too > and fix the following compilation error: > > mm/kmsan/hooks.c:372:6: error: too many arguments to function call, expected 3, have 4 > 371 | kmsan_handle_dma(sg_page(item), item->offset, item->length, > | ~~~~~~~~~~~~~~~~ > 372 | dir); > | ^~~ > mm/kmsan/hooks.c:362:19: note: 'kmsan_handle_dma' declared here > 362 | EXPORT_SYMBOL_GPL(kmsan_handle_dma); > > Fixes: 6eb1e769b2c1 ("kmsan: convert kmsan_handle_dma to use physical addresses") > Reported-by: kernel test robot > Closes: https://lore.kernel.org/oe-kbuild-all/202509170638.AMGNCMEE-lkp@intel.com/ > Signed-off-by: Leon Romanovsky Applied to dma-mapping-for-next branch. Thanks! > --- > mm/kmsan/hooks.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/mm/kmsan/hooks.c b/mm/kmsan/hooks.c > index fa9475e5ec4e9..90bee565b9bc2 100644 > --- a/mm/kmsan/hooks.c > +++ b/mm/kmsan/hooks.c > @@ -368,8 +368,7 @@ void kmsan_handle_dma_sg(struct scatterlist *sg, int nents, > int i; > > for_each_sg(sg, item, nents, i) > - kmsan_handle_dma(sg_page(item), item->offset, item->length, > - dir); > + kmsan_handle_dma(sg_phys(item), item->length, dir); > } > > /* Functions from kmsan-checks.h follow. */ Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland