From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A886947044D; Tue, 21 Jul 2026 18:02:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656970; cv=none; b=fsG5J08gBv25NJrsWuKjP9fycVLB6nRnsS4aA/FA5hEIXlMIRM3cjItV2C7jm+5fIhSv0sVM5W6RvW4fgkizjFTn1osvNgYpGrL9INPHyC7r9A/UU3YUprWCzE2G4X609j6lHGzSaZIAetavhmJv0dc5Lx5sGQuy6fw0wmuWyMM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656970; c=relaxed/simple; bh=feBk2Sufv54jfX9bpyI/rCI1JjzMTYEYetUkWyyRAv0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ATPBe0kXEm/loRenLdvCMnn/4uZvxYQI/wsATh24GS9zoCle0qg87vkMNJH4AChkgBBMxYUbVGglLm4BhXFrFn/Tmj6qx9YRX9pIXSidUpwA2t2lWBMeOwXDqzc2Ivejm56YRgxES/klEq0BMq5vXYMvxwUGoKFU4kdRtDWesM4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=gcVPdN/h; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="gcVPdN/h" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D240D1F000E9; Tue, 21 Jul 2026 18:02:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784656968; bh=30YKKBg+iwDaNOPp+gsILkmHevUHfoRc2XAWPsB4g3Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=gcVPdN/h7CK/nkCms9uf99o2b/wL88lE7uzyh+NzBSRy4x2MGokOxH4IrMwsqUVou Z60eIEjuLXM0foaq2msDpY2+E63EICZIN86TqIW3zD300924sn0YoyjvHOZggoEAGq /yS7b44yD/VFszCTNbIic/0y04cvBBCzssmTGIXI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sriharsha Basavapatna , Selvin Xavier , Jason Gunthorpe , Sasha Levin Subject: [PATCH 6.18 0560/1611] RDMA/bnxt_re: Fail DBR related page allocation UAPIs if the feature is disabled Date: Tue, 21 Jul 2026 17:11:16 +0200 Message-ID: <20260721152527.973122289@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152514.750365251@linuxfoundation.org> References: <20260721152514.750365251@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Selvin Xavier [ Upstream commit a57592c6392a8e333c9c2731701297a5a279313a ] No need to support the DBR related page allocations if the pacing feature is disabled. Fail the request if pacing is disabled. Fixes: ea2224857882 ("RDMA/bnxt_re: Update alloc_page uapi for pacing") Link: https://patch.msgid.link/r/20260615224751.232802-15-selvin.xavier@broadcom.com Reviewed-by: Sriharsha Basavapatna Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/bnxt_re/uapi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/uapi.c b/drivers/infiniband/hw/bnxt_re/uapi.c index 0145882e49f6ed..d5e29d95a6385c 100644 --- a/drivers/infiniband/hw/bnxt_re/uapi.c +++ b/drivers/infiniband/hw/bnxt_re/uapi.c @@ -112,12 +112,16 @@ static int UVERBS_HANDLER(BNXT_RE_METHOD_ALLOC_PAGE)(struct uverbs_attr_bundle * break; case BNXT_RE_ALLOC_DBR_BAR_PAGE: + if (!rdev->pacing.dbr_pacing) + return -EOPNOTSUPP; length = PAGE_SIZE; addr = (u64)rdev->pacing.dbr_bar_addr; mmap_flag = BNXT_RE_MMAP_DBR_BAR; break; case BNXT_RE_ALLOC_DBR_PAGE: + if (!rdev->pacing.dbr_pacing) + return -EOPNOTSUPP; length = PAGE_SIZE; addr = (u64)rdev->pacing.dbr_page; mmap_flag = BNXT_RE_MMAP_DBR_PAGE; -- 2.53.0