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authorJoerg Roedel <[email protected]>2018-07-18 11:41:13 +0200
committerThomas Gleixner <[email protected]>2018-07-20 01:11:48 +0200
commit6df934b92a549cb3badb6d576f71aeb133e2f110 (patch)
treebfab987160096b0a3e9710c854de54d134125f35 /tools/perf/scripts/python/export-to-postgresql.py
parent9bae3197e15dd5e03ce8e237db6fe4486b08a775 (diff)
x86/ldt: Enable LDT user-mapping for PAE
This adds the needed special case for PAE to get the LDT mapped into the user page-table when PTI is enabled. The big difference to the other paging modes is that on PAE there is no full top-level PGD entry available for the LDT, but only a PMD entry. Signed-off-by: Joerg Roedel <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Tested-by: Pavel Machek <[email protected]> Cc: "H . Peter Anvin" <[email protected]> Cc: [email protected] Cc: Linus Torvalds <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Juergen Gross <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Jiri Kosina <[email protected]> Cc: Boris Ostrovsky <[email protected]> Cc: Brian Gerst <[email protected]> Cc: David Laight <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: Eduardo Valentin <[email protected]> Cc: Greg KH <[email protected]> Cc: Will Deacon <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: Andrea Arcangeli <[email protected]> Cc: Waiman Long <[email protected]> Cc: "David H . Gutteridge" <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected]
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