Re: [PATCH] mmap.2: describe the 5level paging hack

On 2/11/19 5:36 PM, Jann Horn wrote: > The manpage is missing information about the compatibility hack for > 5-level paging that went in in 4.14, around commit ee00f4a32a76 ("x86/mm: > Allow userspace have mappings above 47-bit"). Add some information about > that. > > While I don't think any hard

Re: [PATCH] mmap.2: describe the 5level paging hack

Jann Horn writes: > The manpage is missing information about the compatibility hack for > 5-level paging that went in in 4.14, around commit ee00f4a32a76 ("x86/mm: > Allow userspace have mappings above 47-bit"). Add some information about > that. Thanks for doing this. > While I don't think any

Re: [PATCH] mmap.2: describe the 5level paging hack

Hi Jann, On Mon, Feb 11, 2019 at 05:36:53PM +0100, Jann Horn wrote: > The manpage is missing information about the compatibility hack for > 5-level paging that went in in 4.14, around commit ee00f4a32a76 ("x86/mm: > Allow userspace have mappings above 47-bit"). Add some information about > that. >

Re: [PATCH] mmap.2: describe the 5level paging hack

On Mon, Feb 11, 2019 at 05:36:53PM +0100, Jann Horn wrote: > The manpage is missing information about the compatibility hack for > 5-level paging that went in in 4.14, around commit ee00f4a32a76 ("x86/mm: > Allow userspace have mappings above 47-bit"). Add some information about > that. > > While

[PATCH] mmap.2: describe the 5level paging hack

The manpage is missing information about the compatibility hack for 5-level paging that went in in 4.14, around commit ee00f4a32a76 ("x86/mm: Allow userspace have mappings above 47-bit"). Add some information about that. While I don't think any hardware supporting this is shipping yet (?), I think