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Date: Tue, 31 Oct 2017 17:23:19 -0700 From: Doug Anderson <dianders@...omium.org> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Russell King - ARM Linux <linux@...linux.org.uk>, Marc Gonzalez <marc_gonzalez@...madesigns.com>, Mark Rutland <mark.rutland@....com>, Mason <slash.tmp@...e.fr>, Jonathan Austin <jonathan.austin@....com>, Arnd Bergmann <arnd@...db.de>, Nicolas Pitre <nico@...aro.org>, Peter Zijlstra <peterz@...radead.org>, Stephen Boyd <sboyd@...eaurora.org>, Michael Turquette <mturquette@...libre.com>, Kevin Hilman <khilman@...nel.org>, Will Deacon <will.deacon@....com>, LKML <linux-kernel@...r.kernel.org>, Steven Rostedt <rostedt@...dmis.org>, John Stultz <john.stultz@...aro.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>, Linux ARM <linux-arm-kernel@...ts.infradead.org> Subject: Re: [RFC] Improving udelay/ndelay on platforms where that is possible Hi, On Tue, Oct 31, 2017 at 10:45 AM, Linus Torvalds <torvalds@...ux-foundation.org> wrote: > So I'm very much open to udelay improvements, and if somebody sends > patches for particular platforms to do particularly well on that > platform, I think we should merge them. But ... If I'm reading this all correctly, this sounds like you'd be willing to merge <https://patchwork.kernel.org/patch/9429841/>. This makes udelay() guaranteed not to underrun on arm32 platforms. -Doug
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