Messages in this thread | | | Subject | Re: [RFC PATCH] x86/mm/fault: Allow stack access below %rsp | From | Dave Hansen <> | Date | Fri, 2 Nov 2018 12:44:14 -0700 |
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On 11/2/18 12:40 PM, Waiman Long wrote: > The 64k+ limit check is kind of arbitrary. So the check is now removed > to just let expand_stack() decide if a segmentation fault should happen.
With the 64k check removed, what's the next limit that we bump into? Is it just the stack_guard_gap space above the next-lowest VMA?
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