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 D313D24C07D; Wed, 5 Mar 2025 18:13:41 +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=1741198421; cv=none; b=GwhznDvvBJxLm0+6qEeFRyBPwfPs4CHraSxQXEoQveMXiSqvlf9lX94SUBZW8dlanaU6QEdRNWjsTz1zWjvQvcbOYPeXGW18VZjUBhlaqwVVVCCBscvXi6ATU03rIfkNhEHkcR6xGLE5bMlC0SsnQawdOPnar8Xdj9AmvoEAFio= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741198421; c=relaxed/simple; bh=TU1vbfwQGDBcnF5GOajjKHaT1NVRz1lqydJAFbNgTnA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BGJU/Nywp3ejiDrnuhXWcUfqhir43PPZZR09wB5kl/D1USBouBsupd9G18BIQOuKoUnlTqwQUKTXWIASCfg8W1in3E2Yf2dB36YHSW4ksEXieFClIvrTO8/m/2318zaZ4ywlq9+rnmQ2DPWQ9W4Aix74/qVmTJXV69nBw6A4amU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=mbrlwrgl; 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="mbrlwrgl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F769C4CED1; Wed, 5 Mar 2025 18:13:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741198421; bh=TU1vbfwQGDBcnF5GOajjKHaT1NVRz1lqydJAFbNgTnA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mbrlwrgls3veGIqrTJvsSlEdY3giDpC4l3QXdXMMF3yaQ5hxoasfBhSuUcux01mp/ PPfDJ6RzU7rXuF8RpWFKiIr/nyG4jDBUOWFwQBGauPalSkumhSkyd5GHhsYayIG4ya Wb9VUq4J1m0j+6XVjCWJb+RVKvaRABzvAh6JRlQY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Shiraz Saleem , Konstantin Taranov , Long Li , Leon Romanovsky , Sasha Levin Subject: [PATCH 6.13 005/157] RDMA/mana_ib: Allocate PAGE aligned doorbell index Date: Wed, 5 Mar 2025 18:47:21 +0100 Message-ID: <20250305174505.494358062@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250305174505.268725418@linuxfoundation.org> References: <20250305174505.268725418@linuxfoundation.org> User-Agent: quilt/0.68 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 6.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Konstantin Taranov [ Upstream commit 29b7bb98234cc287cebef9bccf638c2e3f39be71 ] Allocate a PAGE aligned doorbell index to ensure each process gets a separate PAGE sized doorbell area space remapped to it in mana_ib_mmap Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Shiraz Saleem Signed-off-by: Konstantin Taranov Link: https://patch.msgid.link/1738751405-15041-1-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mana/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 67c2d43135a8a..457cea6d99095 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -174,7 +174,7 @@ static int mana_gd_allocate_doorbell_page(struct gdma_context *gc, req.resource_type = GDMA_RESOURCE_DOORBELL_PAGE; req.num_resources = 1; - req.alignment = 1; + req.alignment = PAGE_SIZE / MANA_PAGE_SIZE; /* Have GDMA start searching from 0 */ req.allocated_resources = 0; -- 2.39.5