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Thu, 17 Apr 2025 10:47:36 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 53HAlZHQ011208 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 17 Apr 2025 10:47:35 GMT Received: from nsssdc-sh01-lnx.ap.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Thu, 17 Apr 2025 03:47:31 -0700 From: Luo Jie Date: Thu, 17 Apr 2025 18:47:10 +0800 Subject: [PATCH v3 3/6] arm64: tlb: Convert the opencoded field modify Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20250417-field_modify-v3-3-6f7992aafcb7@quicinc.com> References: <20250417-field_modify-v3-0-6f7992aafcb7@quicinc.com> In-Reply-To: <20250417-field_modify-v3-0-6f7992aafcb7@quicinc.com> To: Yury Norov , Rasmus Villemoes , Julia Lawall , "Nicolas Palix" , Catalin Marinas , Will Deacon , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu CC: , , , , , , , , , , Luo Jie X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1744886837; l=1071; i=quic_luoj@quicinc.com; s=20250209; h=from:subject:message-id; bh=gqGzOX65dgUloUXBiDM2uUofMMrXchcJwN/9t+iSb7k=; b=sxhXTdsE+Z/QAYZZpILNncmv9BD3WHP8C30/OyBTr9mtTkJJhDV22A9VJlIMxz87/nnKD69Ta SFmrL05AyupA38N88nqL6ZzChWDnb8DsQhi7Z9hD9tVAMrP2JnglnZT X-Developer-Key: i=quic_luoj@quicinc.com; a=ed25519; pk=pzwy8bU5tJZ5UKGTv28n+QOuktaWuriznGmriA9Qkfc= X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: AtLGZHnrWsYSQEjPsUo0tJffbaXJLcWr X-Authority-Analysis: v=2.4 cv=RbSQC0tv c=1 sm=1 tr=0 ts=6800dc48 cx=c_pps a=JYp8KDb2vCoCEuGobkYCKw==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=ZOzjf2MOAAAA:8 a=COk6AnOGAAAA:8 a=C2vL1j-_i977Atbg1qQA:9 a=QEXdDO2ut3YA:10 a=1Mhi-5-LkjG4w5oc0yAU:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: AtLGZHnrWsYSQEjPsUo0tJffbaXJLcWr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-17_03,2025-04-15_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=542 suspectscore=0 adultscore=0 impostorscore=0 clxscore=1015 bulkscore=0 phishscore=0 priorityscore=1501 spamscore=0 mlxscore=0 lowpriorityscore=0 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504170080 Replaced below code with the wrapper FIELD_MODIFY(MASK, ®, val) - reg &=3D ~MASK; - reg |=3D FIELD_PREP(MASK, val); The semantic patch that makes this change is available in scripts/coccinelle/misc/field_modify.cocci. More information about semantic patching is available at https://coccinelle.gitlabpages.inria.fr/website Signed-off-by: Luo Jie --- arch/arm64/include/asm/tlbflush.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlb= flush.h index eba1a98657f1..0d250ef4161c 100644 --- a/arch/arm64/include/asm/tlbflush.h +++ b/arch/arm64/include/asm/tlbflush.h @@ -112,8 +112,7 @@ static inline unsigned long get_trans_granule(void) level >=3D 0 && level <=3D 3) { \ u64 ttl =3D level & 3; \ ttl |=3D get_trans_granule() << 2; \ - arg &=3D ~TLBI_TTL_MASK; \ - arg |=3D FIELD_PREP(TLBI_TTL_MASK, ttl); \ + FIELD_MODIFY(TLBI_TTL_MASK, &arg, ttl); \ } \ \ __tlbi(op, arg); \ --=20 2.34.1