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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47563d194bbsm13031759f8f.3.2026.07.01.00.49.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2026 00:49:37 -0700 (PDT) Message-ID: <4eb126f4-f9c8-471e-94f1-ff40675dbe73@oss.qualcomm.com> Date: Wed, 1 Jul 2026 09:49:35 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 5/9] ARM: VDSO: Respect COMPAT_32BIT_TIME 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-v2-5-520d194640dd@linutronix.de> From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20260630-vdso-compat_32bit_time-v2-5-520d194640dd@linutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: ELDRbfGAlcHqbxAb0m50s9JuJpS2BlrE X-Authority-Analysis: v=2.4 cv=ftfsol4f c=1 sm=1 tr=0 ts=6a44c694 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==: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=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=gC1PrsFcNpCBvASTUOwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-GUID: ELDRbfGAlcHqbxAb0m50s9JuJpS2BlrE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX3jESACkULXAd qym9ATZ1ekqELiOD3rJFWQEWwBhyzcgfCDD0uAekMXIyErdtEf6d+li5iIEkfTXqlZDFSaEphix jDZe8J5SCy/JUhaHcP+3XEjrC8d96oB8h4vQULTlarOM67zfaSbJCv6OOGqa7eJKHoflIUUlfut buszE7oumjzejNyms6DmQIKUgGdQMRbf4EMFGBuGuUQSmC8B6ytt0Dk2Fa3n9kwtZIZtGRTLraJ IiSDcsdWGZAuvs78LnAXtCEp8KsrbFrgnvIxEaP5wE5nX5unj2D5L3T3lNbcUd3tCRfvdXz9d5G 9+qYuW55DhEidT1WG4ugFFRTc45j3k6Rxqo7YM+zJilRaC9MXV2rMeS+xJymP2DF75yGF1aMaWB qcKnF5ITz04yOdDpcs8la7yigjo02K1VZ0fMjO4xUClnFOVfTpwHSu8kcwoIeEFTWrzWKCNoW4u XfH7VJ6pLYRSyPwkwbw== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX+ncLLMBkWE7T 0vGo8hcCfdVcmOIRWl+2AeCOXv5G3sEJf0RcjFKJW3iB7spbb3hyjjTl1trfQ2iPQX9iNNWWS2s uiP4WuYJUSolJ8h1SLMQoIZPd5aA4Jc= 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 bulkscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 spamscore=0 adultscore=0 suspectscore=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. This is the intended > effect of the kconfig option and also the fallback system calls would > also not be implemented. > > Currently the kconfig option does not affect the gettimeofday() syscall, > so also keep that in the vDSO. > > Signed-off-by: Thomas Weißschuh > --- > arch/arm/vdso/vdso.lds.S | 2 ++ > arch/arm/vdso/vgettimeofday.c | 14 ++++++++------ > 2 files changed, 10 insertions(+), 6 deletions(-) Reviewed-by: Philippe Mathieu-Daudé