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Wed, 20 May 2026 04:40:42 -0700 (PDT) Message-ID: <5a50c3f5-a5ef-4b2b-821c-5858d8b1ac13@kernel.dk> Date: Wed, 20 May 2026 05:40:40 -0600 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 AUTOSEL 7.0] io_uring/wait: honour caller's time namespace for IORING_ENTER_ABS_TIMER To: Sasha Levin , patches@lists.linux.dev, stable@vger.kernel.org Cc: Maoyi Xie , Pavel Begunkov , Maoyi Xie , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260520111944.3424570-1-sashal@kernel.org> <20260520111944.3424570-26-sashal@kernel.org> Content-Language: en-US From: Jens Axboe In-Reply-To: <20260520111944.3424570-26-sashal@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/20/26 5:18 AM, Sasha Levin wrote: > From: Maoyi Xie > > [ Upstream commit 45d2b37a37ab98484693533496395c610a2cab96 ] > > io_uring_enter() with IORING_ENTER_ABS_TIMER takes an absolute > timespec from the caller via ext_arg->ts. It arms an ABS mode > hrtimer in __io_cqring_wait_schedule(). The conversion path in > io_uring/wait.c parses ext_arg->ts inline rather than going > through io_parse_user_time(). It therefore does not pick up the > time namespace conversion added by the previous patch. Once again - If you auto-pick this one, please also do the other one in the series, 9cc6bac1bebf8310d2950d1411a91479e86d69a1. Makes no sense to do just one of them. -- Jens Axboe