summaryrefslogtreecommitdiff
path: root/arch/x86/mm/pgtable.c
diff options
context:
space:
mode:
authorDave Hansen <dave.hansen@linux.intel.com>2018-04-06 23:55:07 +0300
committerIngo Molnar <mingo@kernel.org>2018-04-09 19:27:33 +0300
commit6baf4bec02dbc41645c3a5130ee15a8e1d62b80f (patch)
tree8ebd462bb7ebff7d7db72e28a0bc8a405f2e1c1c /arch/x86/mm/pgtable.c
parent8a57f4849f4fa22ed18a941164a214083fc020a2 (diff)
downloadlinux-6baf4bec02dbc41645c3a5130ee15a8e1d62b80f.tar.xz
x86/espfix: Document use of _PAGE_GLOBAL
The "normal" kernel page table creation mechanisms using PAGE_KERNEL_* page protections will never set _PAGE_GLOBAL with PTI. The few places in the kernel that always want _PAGE_GLOBAL must avoid using PAGE_KERNEL_*. Document that we want it here and its use is not accidental. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Hugh Dickins <hughd@google.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: Kees Cook <keescook@google.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Nadav Amit <namit@vmware.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20180406205507.BCF4D4F0@viggo.jf.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/pgtable.c')
0 files changed, 0 insertions, 0 deletions