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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-mips@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-GUID: Xcw04kGfcEkugkGSj8HC7cQZCZv4Ca72 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX9CVWCJ4PGaoR OWc7j/FuZGkIdsn8kDCYIdsqeeAQA53hzPgBDfCpHp1hO4jJZX9HadTjNL0iFGI+t7ad8Kl9VdA 25TpCeYIgEGr040zgAr0+qcN3YZc2Gpy3KiGIF5SrfSBnDJQfsdcAG4uhanNc4rhIlMi2T+VeFD eY93gy6nMW+94y0gbuM6U7Qwu04Ngs7YAeLG0n+YaEse5Ag3kh0gkvn//BBDfVc+ayfYXSIvfhg pGNSA2OiXm6fuH2vSQ9eOdX6bLqihBBqNrNYpzSLtIyXnuOelOYXpjpXcZOxzhz3Cg42CICTb52 CWebxx/ca7KqeNy0lcFdgGbgaWJyGtYDWnwuoDWr8JEKvxl0u5hCqbcDsW4Hh0vA1T+ESwdM9HF EDUupS6rCJEuitiBnMToC9i32Y8goqANE6knMgC9vWmI7G79sHdJech3qnVRu37pyjTPC9Uy6+I 4tfKKDJltYxymXFtr1Q== X-Proofpoint-ORIG-GUID: Xcw04kGfcEkugkGSj8HC7cQZCZv4Ca72 X-Authority-Analysis: v=2.4 cv=Ff4HAp+6 c=1 sm=1 tr=0 ts=6a44c6d3 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=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=gC1PrsFcNpCBvASTUOwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfXy4S0wQ/LTAt4 zI0VncPmis0ZQNmGXUfX7IMeDe/DZdnrUDZdHI1QaWWN4Xway4dlybazzRYfDRnlf7U1z8ebINa CXsLOdaZmiZi7UoFAON8p0b5REs0Qtc= 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 priorityscore=1501 impostorscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 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/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