Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH 0/2] x86/entry: Trade cycles | Date | Tue, 21 Nov 2023 16:26:24 +0100 |
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On Mon, Nov 20 2023 at 15:33, Peter Zijlstra wrote: > Two little patches that trade a little performance. First patch optimizes > (although I couldn't get definite numbers showing it makes a difference) the > return to user path by avoiding some PTI specifics in the generic path. > > Second patch then steals some of the won cycles by making a debug check > unconditional. > > This came forth from a discussion with amluto who lamented we only had the > debug check conditional on DEBUG_ENTRY.
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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