Messages in this thread | | | Subject | Re: [PATCH v6 1/2] arm64: Define Documentation/arm64/tagged-address-abi.rst | From | Dave Hansen <> | Date | Wed, 31 Jul 2019 09:43:46 -0700 |
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On 7/25/19 6:50 AM, Vincenzo Frascino wrote: > With the relaxed ABI proposed through this document, it is now possible > to pass tagged pointers to the syscalls, when these pointers are in > memory ranges obtained by an anonymous (MAP_ANONYMOUS) mmap().
I don't see a lot of description of why this restriction is necessary. What's the problem with supporting MAP_SHARED?
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