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Mon, 13 Apr 2026 06:19:01 -0700 (PDT) X-Received: by 2002:a05:600c:c117:b0:486:fb69:4960 with SMTP id 5b1f17b1804b1-488d68af0e7mr124589985e9.19.1776086340631; Mon, 13 Apr 2026 06:19:00 -0700 (PDT) Received: from [192.168.88.32] ([216.128.11.125]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488df272d55sm67056435e9.15.2026.04.13.06.18.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Apr 2026 06:19:00 -0700 (PDT) Message-ID: <346925be-bec3-47ee-866b-a6890b455a0b@redhat.com> Date: Mon, 13 Apr 2026 15:18:58 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v11 net-next 4/7] devlink: Implement devlink param multi attribute nested data values To: Ratheesh Kannoth Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, sgoutham@marvell.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, donald.hunter@gmail.com, horms@kernel.org, jiri@resnulli.us, chuck.lever@oracle.com, matttbe@kernel.org, cjubran@nvidia.com, saeedm@nvidia.com, leon@kernel.org, tariqt@nvidia.com, mbloch@nvidia.com, dtatulea@nvidia.com References: <20260409025055.1664053-1-rkannoth@marvell.com> <20260409025055.1664053-5-rkannoth@marvell.com> Content-Language: en-US From: Paolo Abeni In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 4/13/26 1:00 PM, Ratheesh Kannoth wrote: > On 2026-04-13 at 16:24:41, Paolo Abeni (pabeni@redhat.com) wrote: >> On 4/9/26 4:50 AM, Ratheesh Kannoth wrote: >>> @@ -441,6 +448,7 @@ union devlink_param_value { >>> u64 vu64; >>> char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; >>> bool vbool; >>> + struct devlink_param_u64_array u64arr; >> >> You mentioned that you intend to handle the possible CONFIG_FRAME_WARN >> with a separate patch. IMHO such patch need to be part of this series, >> or things will stay broken for an undefined amount of time until such >> patch is merged separatelly. > > Patch no: 3 in the same series. > https://lore.kernel.org/netdev/20260409025055.1664053-4-rkannoth@marvell.com/#t I fear that is not enough ?!? i.e. what's about devl_param_driverinit_value_set()? Likely devlink_param->validate is called with enough space available in the stack to not care about the huge argument, but the mentioned helper is called quite deeper. /P