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 0D3AF2512EB; Wed, 5 Mar 2025 17:58:45 +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=1741197526; cv=none; b=SS9R6E4OxRnBaUzUy7/OtsxKxX28XD161nsapvh/gH51oB6YoWxcfsAQ9LXMZ92k7Q+KFnOah9qeLhuavGj+oEJTAHfc6nZF5K1oidXn93jKKogW2nnOx5eiCEvjukL/nVnIr2DZ+O80Jdpv2XLBrrQrYdBokQwCCDyAbhylRqw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741197526; c=relaxed/simple; bh=PB6D8/X98Pf64qmCgB6p/1fxDWt97zVOiQPRl0DkIBg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ae3SvvXcLMvos87idJH3MabbgB3V15ESf77KI9XuymS7gm0ALX/5mnrp+Oc6lKFzywvLaLRm529lmH7ZxT1i4sjKI6sakcEUp3ud+T1UX3QUXixCtWSZ185Bl2CCpoocu7U6DqOC8oJrYvU4lFDu3bC/K6x31jZr+C/uKXUD7rg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=z1RtXIgN; 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="z1RtXIgN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26C12C4CED1; Wed, 5 Mar 2025 17:58:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741197525; bh=PB6D8/X98Pf64qmCgB6p/1fxDWt97zVOiQPRl0DkIBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z1RtXIgNfi79kSiJOr9T6yssWvqNd2pMHP6IfBQ7r5eQZvblQkbenKcURvgMxR/M3 TAPJ+aDkcWpUFBPzARkH0a4Dod34LlzHNRjDdZwnPjRfUXl9FvcN9p7IHB6IR4/9Kg Wy7GJxHgwq5oLgrbNnYvFnro/ooPeq4yQlfemjeM= 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 6.6 002/142] RDMA/mana_ib: Allocate PAGE aligned doorbell index Date: Wed, 5 Mar 2025 18:47:01 +0100 Message-ID: <20250305174500.433019291@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250305174500.327985489@linuxfoundation.org> References: <20250305174500.327985489@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 6.6-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 85717482a616e..6fa9b12532997 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -180,7 +180,7 @@ 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