diff options
| author | Hugh Dickins <hughd@google.com> | 2017-08-30 16:23:00 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-05 15:46:34 +0100 |
| commit | 2684b12a169ee244ffc05d34234b0a3dec238c40 (patch) | |
| tree | 2f04f4d46c0d4aa01bf407a88164098d065a9625 /arch/x86/entry/entry_64_compat.S | |
| parent | 1972bb9d92066fcf7deb0d798e02c88caa45e035 (diff) | |
kaiser: enhanced by kernel and user PCIDs
Merged performance improvements to Kaiser, using distinct kernel
and user Process Context Identifiers to minimize the TLB flushing.
[This work actually all from Dave Hansen 2017-08-30:
still omitting trackswitch mods, and KAISER_REAL_SWITCH deleted.]
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/entry/entry_64_compat.S')
| -rw-r--r-- | arch/x86/entry/entry_64_compat.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index f0e384ee8fc6..0eb5801947ff 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -13,6 +13,7 @@ #include <asm/irqflags.h> #include <asm/asm.h> #include <asm/smap.h> +#include <asm/pgtable_types.h> #include <asm/kaiser.h> #include <linux/linkage.h> #include <linux/err.h> |