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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1288d6a3e8sm228444966b.19.2026.07.01.00.51.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2026 00:51:36 -0700 (PDT) Message-ID: <7b5b211d-bbf1-42ea-9b1d-f8dfe744841c@oss.qualcomm.com> Date: Wed, 1 Jul 2026 09:51:33 +0200 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 9/9] vdso/gettimeofday: Verify COMPAT_32BIT_TIME interactions Content-Language: en-US To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Andy Lutomirski , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Russell King , Catalin Marinas , Will Deacon , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Thomas Bogendoerfer , Vincenzo Frascino , John Stultz , Stephen Boyd , "David S. Miller" , Andreas Larsson Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, Arnd Bergmann , linux-api@vger.kernel.org, sparclinux@vger.kernel.org References: <20260630-vdso-compat_32bit_time-v2-0-520d194640dd@linutronix.de> <20260630-vdso-compat_32bit_time-v2-9-520d194640dd@linutronix.de> From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20260630-vdso-compat_32bit_time-v2-9-520d194640dd@linutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: c6Xc2WQeVd2-ZtQ_hFU2MzcLInGKRMqT X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX6K1TXsoZuHF5 EWm6xWWJZmw7dIVGJq4qeT3YA15lXXBOAwRK01Mks+tn5iHp5cj2WdIsi5gtVU13eLq8KRV39ex DOaGSOzDXu+WWelVLcR9nW8OIt3RwBsbFBxoDd4mQOGvFpHQiq56VNynnjqFOI+EaCfqnADMBEY IrApC6tbKXyxiAN/9HrihpfJFOlncoyAS/cOCeE+ccv9B3s2PCT16zoggPecMfXRgOTlX5L/I3o 2wbEZXV7AePfnkd4SA8TO1LpMpPzNfsARqP36OovLpBoUSQed0VO8ZXHTP4DodNPX1Fsf2GZJPk RLcyBy+cw2E/KoyEQYyACGTPjS6MwMD8Rw0tpPGWipnq65mCzrvd11iwlsOknVQx3vJ6NeDZnqi ZIJHprkSfgUs6n2ECDxRzxxIka0cFPW2A6jyzw19JkQZ7JYw9eh5nELH/pnYij+yFPnQNz2eqDP ktUjW/BJkfV9Lwz0YWw== X-Proofpoint-GUID: c6Xc2WQeVd2-ZtQ_hFU2MzcLInGKRMqT X-Authority-Analysis: v=2.4 cv=LIZWhpW9 c=1 sm=1 tr=0 ts=6a44c70a cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=gC1PrsFcNpCBvASTUOwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX7HRcbZEj2Ei+ tSGH1DMdNL6QT0V/Pk0TyE1yyGx5Dxag/Z+9Nj95yZow7w3HHkXT7K5Frrx6z3ccMud8hI72LQz ULNrccBfOO2aBcnfgoyB+TBPjqYsezg= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-01_01,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 bulkscore=0 adultscore=0 impostorscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607010077 On 30/6/26 09:38, Thomas WeiÃschuh wrote: > If CONFIG_COMPAT_32BIT_TIME is disabled then the vDSO should not > provide any 32-bit time related functionality. > > Add some build-time validations to make sure the architecture-specific > glue satisfies this requirement. > > Signed-off-by: Thomas Weißschuh > --- > lib/vdso/gettimeofday.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) Reviewed-by: Philippe Mathieu-Daudé