Messages in this thread | | | Subject | Re: [PATCH 05/23] x86, kaiser: unmap kernel from userspace page tables (core patch) | From | Dave Hansen <> | Date | Fri, 5 Jan 2018 23:51:38 -0800 |
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On 01/05/2018 10:28 PM, Hanjun Guo wrote: >> + >> p4d = p4d_alloc(&tboot_mm, pgd, vaddr); > Seems pgd will be re-set after p4d_alloc(), so should > we put the code behind (or after pud_alloc())?
<sigh> Yes, it has to go below where the PGD actually gets set which is after pud_alloc(). You can put it anywhere later in the function.
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