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Donenfeld" , Richard Henderson , linux-alpha@vger.kernel.org, Russell King , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Huacai Chen , loongarch@lists.linux.dev, Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org, Dinh Nguyen , Jonas Bonn , linux-openrisc@vger.kernel.org, Helge Deller , linux-parisc@vger.kernel.org, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, Paul Walmsley , linux-riscv@lists.infradead.org, Heiko Carstens , linux-s390@vger.kernel.org, "David S. Miller" , sparclinux@vger.kernel.org Subject: Re: [patch 09/38] iommu/vt-d: Use sched_clock() instead of get_cycles() In-Reply-To: <9db9515b-08e8-47bd-aced-206ac183195a@linux.intel.com> References: <20260410120044.031381086@kernel.org> <20260410120318.187521447@kernel.org> <9db9515b-08e8-47bd-aced-206ac183195a@linux.intel.com> Date: Fri, 10 Apr 2026 17:14:00 +0200 Message-ID: <87y0iuzw3r.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 5E6241A0005 X-Stat-Signature: minjz7rdb435f3w5tdg8c9uugzcbh13s X-Rspam-User: X-HE-Tag: 1775834045-396660 X-HE-Meta: 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 XbHk0Xin 2aS6mxPw6cItDT2gfazSyispIRY84Sdewv8PvxCbt1oTdehuA1WDW4dgahOVYmrENDRpesrIzDjejDukme1dzxDTjtdEjN9ahqqGQOV3/uFctgvuT0cpeHXVFBkdeCTYU7lKpSe/tHJSs7ArqUi8RZGpf/YLAVYaUx5XpM7617EPNMEeMEXlnLvikEfEVGOPuGY0ZbEb700G5BvkkIUjqtgMhym8QqzWIT3sr5Q+v/DDrQsMrWLF7UJ8kHbHdSMpTreg9rEW4Dp8mFlmdoFYci7NISFaoloaJ1dlvwxHJoZ3Lk+/Qey46fuTSGweaMGoByNH9tPH2FECVVoFPDE1+oaGN5IW6UEDgUEKhO7sdRacrCvCErfvptcUrmA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Apr 10 2026 at 21:45, Baolu Lu wrote: > On 4/10/2026 8:19 PM, Thomas Gleixner wrote: >> Calculating the timeout from get_cycles() is a historical leftover without >> any functional requirement. >> >> Use ktime_get() instead. > > The subject line says "Use sched_clock() ...", but the implementation > actually uses ktime_get(). Is it a typo or anything I misunderstood? Indeed. Leftover from an earlier version. Thanks, tglx