Messages in this thread | | | Date | Mon, 10 Jul 2023 10:37:52 +0100 | From | Will Deacon <> | Subject | Re: [PATCH] arm64: Add the arm64.nolse_atomics command line option |
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On Mon, Jul 10, 2023 at 01:59:55PM +0800, Maria Yu wrote: > In order to be able to disable lse_atomic even if cpu > support it, most likely because of memory controller > cannot deal with the lse atomic instructions, use a > new idreg override to deal with it.
This should not be a problem for cacheable memory though, right?
Given that Linux does not issue atomic operations to non-cacheable mappings, I'm struggling to see why there's a problem here.
Please can you explain the problem that you are trying to solve?
Will
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