lkml.org 
[lkml]   [2017]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 09/23] x86, kaiser: map dynamically-allocated LDTs
    > diff -puN arch/x86/kernel/ldt.c~kaiser-user-map-new-ldts arch/x86/kernel/ldt.c
    > --- a/arch/x86/kernel/ldt.c~kaiser-user-map-new-ldts 2017-11-22 15:45:49.059619739 -0800
    > +++ b/arch/x86/kernel/ldt.c 2017-11-22 15:45:49.062619739 -0800
    > @@ -11,6 +11,7 @@
    [...]
    > + ret = kaiser_add_mapping((unsigned long)new_ldt->entries, alloc_size,
    > + __PAGE_KERNEL | _PAGE_GLOBAL);
    > + if (ret) {
    > + __free_ldt_struct(new_ldt);
    > + return NULL;
    > + }
    > new_ldt->nr_entries = num_entries;
    > return new_ldt;

    __free_ldt_struct() uses new_ldt->nr_entries, so new_ldt->nr_entries needs to be
    set earlier.

    Eric

    \
     
     \ /
      Last update: 2017-11-23 20:43    [W:4.020 / U:0.668 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site