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Mon, 17 Aug 2026 20:11:01 -0700 (PDT) X-Received: by 2002:a05:6a21:6e97:b0:3c3:bbe6:95c9 with SMTP id adf61e73a8af0-3ccda7cdfcdmr6695054637.16.1787022661365; Mon, 17 Aug 2026 20:11:01 -0700 (PDT) Received: from [10.239.97.207] ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cc1469e2e5esm146188a12.5.2026.08.17.20.10.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Aug 2026 20:11:00 -0700 (PDT) Message-ID: <03ebb6a0-2a3d-4260-afec-15e7e9925842@oss.qualcomm.com> Date: Tue, 18 Aug 2026 11:09:49 +0800 Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] tty: n_tty: use kvzalloc/kvfree for line discipline data To: Greg KH Cc: jirislaby@kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, liulzhao@qti.qualcomm.com, cheng.jiang@oss.qualcomm.com, cxin@qti.qualcomm.com References: <20260817135526.386863-1-xin.chen2@oss.qualcomm.com> <2026081744-vision-coherent-8b62@gregkh> From: Xin Chen In-Reply-To: <2026081744-vision-coherent-8b62@gregkh> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODE4MDAyMSBTYWx0ZWRfXzqX6ymPApiXV 70s5gvc3tXp4U4q/Sx9GRl3nt7SRN/u7/NrMww7jWiY/a9wRSXT3a1UZanuxxdKeWApSOLoCMfR lDT3Gd5m1W8CJWneo2J9jvlyMiFYQZk= X-Authority-Analysis: v=2.4 cv=VuITxe2n c=1 sm=1 tr=0 ts=6a83cd46 cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=Lk0QSWXuOjAvIrDGL4oA:9 a=QEXdDO2ut3YA:10 a=QYH75iMubAgA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-GUID: anNU97UYS3HEsuEPIT0QIRDEcpxO7E0p X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE4MDAyMSBTYWx0ZWRfX2/i7YIL9lxK9 JQ00lg5KuxG0D/f+1p9Aqi0Umi/8oCinqTCufXUvh5IfRpvu6egPAIxT9SNGzW4+tZjB2IxoRi3 yLKMZjeNaBa/+ImQleZ1AFJmg2dRTBwxMq85q9kxcz1cKonvp+qwXe9IyZuqLqTJyPIhoVYmGQv T0x8t1DF4/uELb7YMc9/EqDCHrNEKb/Uvi48rz/hBzNR03WlQkGR//f3+slNQlS10cTZTyCyDh7 T4gZ1w03Cnfe3stdEfpWmQb9sLLNm7BqEFxFBqHt3fuLTqUkWpIYTxb90SE3/aSQdwp9rEHLwAk e2rzFHtt8Sjtx9U9uBv25joaWyUMSjnBVPIfGIGbzcfdVd6dA5o3U5IHIKMF8WVv6120Xt7ikW9 or6HFqN1Xzy6Tt0knRQw1bgUgiqeGXxfAZ4T2Vn5VR7DezKp1GgfOEtw0nGxtsTLANaci2anPHL PYmmFCH83FmBJvZ5nIg== X-Proofpoint-ORIG-GUID: anNU97UYS3HEsuEPIT0QIRDEcpxO7E0p X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-17_04,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 clxscore=1015 spamscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608180021 On 8/17/2026 10:14 PM, Greg KH wrote: > What do you mean "target kernel"? This is for 7.3-final, right? Sorry for the confusion. This patch is based on linux-next 7.2.0-rc7, targeting 7.2-final (or 7.3 if the merge window has already closed). The wording "target kernel" was poor; what I meant is that kvzalloc(sizeof(*ldata), GFP_KERNEL) is used intentionally to keep this patch cleanly backportable to kernels older than v6.6 where kvzalloc_obj() is not yet available. Thanks, Xin Chen