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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-493be82fd71sm77836705e9.15.2026.07.01.00.50.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2026 00:50:40 -0700 (PDT) Message-ID: Date: Wed, 1 Jul 2026 09:50:37 +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 8/9] sparc: 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-v2-8-520d194640dd@linutronix.de> From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20260630-vdso-compat_32bit_time-v2-8-520d194640dd@linutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: N3nb72iRVKzm5eLk59hdd1rcKIlrzags X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX8UwSR+KNeCo8 6uqj90E59Z8wTP7PbQ7S0xcz0NRgqlIxCKXtlscCzXTxEBWMrGLjO2jR/J7xUu/hbQ7QVZNtQbT yl1Nv/sC1XyJlLhzK6eY+EYtBYD9cYRmBB/y2Pj/4xzdZ6CZQodbtRGfWHjEDmM5evpLVZsoFAk n3t3POjKVBWZ5pKU13EaFXkxK9e+EpLSL4n0ounv5uGx8B48PUw+0S2czj3p0X9RmqLYbhAMAYw vH6qOFyzO2kmjJz9jgKiVBlESIazBCYtncRK7usJXKvSs0RxIn1rRmSJoRZHJGkHis4HN0DOZl5 zEZGxlyCZ6SP7/+Uvpta/5n32wZNqvVssvDCnpIEjcot8XSh+aRI1OLPsHXZGLP5TkLPZYBAl7c sIer2DqTC1q1iA6053E+R1i1fm2OGHVQmUu2455p5xMnvf+H089dwhEeRRHrprM3ktXXCwgeLqn CqM2Ba3tpna8shQ0t0A== X-Proofpoint-GUID: N3nb72iRVKzm5eLk59hdd1rcKIlrzags X-Authority-Analysis: v=2.4 cv=LIZWhpW9 c=1 sm=1 tr=0 ts=6a44c6d3 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==: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=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX6PG7W2yWsy9F YdapyBKzFV+Us63Ja2FccPo2nY9XvZRNpNrwV4WvtMCMc3jhgIwkVVxHxBpbTXdjjLy7h6Awk8V 1SmHKORkAYdsh6unK0kOp4Ltf7759ms= 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. 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/sparc/vdso/vclock_gettime.c | 4 ++++ > arch/sparc/vdso/vdso32/vdso32.lds.S | 6 ++++-- > 2 files changed, 8 insertions(+), 2 deletions(-) Reviewed-by: Philippe Mathieu-Daudé