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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-10 15:35:41 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-10 15:35:41 -0300 |
| commit | debe70e488968e82282db48fbbcf84b5080f742c (patch) | |
| tree | 90f96f07c499bfc5bdbbeab3ca4a81a5a7672b61 /arch/x86/mm/init.c | |
| parent | 65f8d08cf838df3c3d728cdef908090237931496 (diff) | |
| parent | 133d9c53c9dcbb1b8f317e402e79c44d9eb725c9 (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/x86/mm/init.c')
| -rw-r--r-- | arch/x86/mm/init.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 1895986842b91..4ba024d5b63ae 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -714,6 +714,11 @@ static void __init memory_map_bottom_up(unsigned long map_start, static void __init init_trampoline(void) { #ifdef CONFIG_X86_64 + /* + * The code below will alias kernel page-tables in the user-range of the + * address space, including the Global bit. So global TLB entries will + * be created when using the trampoline page-table. + */ if (!kaslr_memory_enabled()) trampoline_pgd_entry = init_top_pgt[pgd_index(__PAGE_OFFSET)]; else |