From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 60E211DDC35; Tue, 8 Oct 2024 13:02:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728392527; cv=none; b=e6p7N1uTnsmn3GrEaDjjbmCjz1r25WVPHnGQL0IdqR7FJIAf6/1GQ9nTKxUW+b3tVAhJQRvYBFnN17Px54nSAkr4TfUBXlBudWZX/C/TPO0MIjPjXrifOVHo2rRr7M4eQVQnnQCs5uT+p82BZQhUnB9NtMM0E9xOVZ2EvofKBts= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728392527; c=relaxed/simple; bh=5s3Q29K6AHPcxmakH2OrZwNdg8a8FudDWZ1/VdyDFQU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TKduEzVsuRYmizthvCCiVQRUSNqv6JnrYaAH2//JbQDKxL3qsRQufci41ssxx9/ROVUo6+7AjATBm+KcAAJw3ZWtTtFg0CsQZEhgglYVw5aq5fSR7WuNUQwndGbNICPGT78+FwSpmq0+WKAjwM0+WYjcLCR6DPt78qR87OPrmYo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=eIU7sM9v; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="eIU7sM9v" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9684C4CEC7; Tue, 8 Oct 2024 13:02:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728392527; bh=5s3Q29K6AHPcxmakH2OrZwNdg8a8FudDWZ1/VdyDFQU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eIU7sM9vnHz5fTMF5ijb7qlQAdq+4oW6GcfmPIJb2bDvJRHYD6hYL+SHBn1fwSy/V XWlUuBeh90h8baPryFqInjfJhgr1WywA0IBaWcbPM1DwM4c0gUZq9khpdDN4iJaibt kr62DDTNmNQuBwYzPQt/jO/vGYQo+N24SSxFD9Fo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Long Li , Leon Romanovsky Subject: [PATCH 6.11 440/558] RDMA/mana_ib: use the correct page size for mapping user-mode doorbell page Date: Tue, 8 Oct 2024 14:07:50 +0200 Message-ID: <20241008115719.583600038@linuxfoundation.org> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241008115702.214071228@linuxfoundation.org> References: <20241008115702.214071228@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.11-stable review patch. If anyone has any objections, please let me know. ------------------ From: Long Li commit 4a3b99bc04e501b816db78f70064e26a01257910 upstream. When mapping doorbell page from user-mode, the driver should use the system page size as this memory is allocated via mmap() from user-mode. Cc: stable@vger.kernel.org Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Long Li Link: https://patch.msgid.link/1725030993-16213-2-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/mana/main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -511,13 +511,13 @@ int mana_ib_mmap(struct ib_ucontext *ibc PAGE_SHIFT; prot = pgprot_writecombine(vma->vm_page_prot); - ret = rdma_user_mmap_io(ibcontext, vma, pfn, gc->db_page_size, prot, + ret = rdma_user_mmap_io(ibcontext, vma, pfn, PAGE_SIZE, prot, NULL); if (ret) ibdev_dbg(ibdev, "can't rdma_user_mmap_io ret %d\n", ret); else - ibdev_dbg(ibdev, "mapped I/O pfn 0x%llx page_size %u, ret %d\n", - pfn, gc->db_page_size, ret); + ibdev_dbg(ibdev, "mapped I/O pfn 0x%llx page_size %lu, ret %d\n", + pfn, PAGE_SIZE, ret); return ret; }